Mercurial > hg > octave-nkf

annotate liboctave/util/oct-inttypes.cc @ 15271:648dabbb4c6b

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build: Refactor liboctave into multiple subdirectories. Move libcruft into liboctave. * array/Array-C.cc, array/Array-b.cc, array/Array-ch.cc, array/Array-d.cc, array/Array-f.cc, array/Array-fC.cc, array/Array-i.cc, array/Array-idx-vec.cc, array/Array-s.cc, array/Array-str.cc, array/Array-util.cc, array/Array-util.h, array/Array-voidp.cc, array/Array.cc, array/Array.h, array/Array2.h, array/Array3.h, array/ArrayN.h, array/CColVector.cc, array/CColVector.h, array/CDiagMatrix.cc, array/CDiagMatrix.h, array/CMatrix.cc, array/CMatrix.h, array/CNDArray.cc, array/CNDArray.h, array/CRowVector.cc, array/CRowVector.h, array/CSparse.cc, array/CSparse.h, array/DiagArray2.cc, array/DiagArray2.h, array/MArray-C.cc, array/MArray-d.cc, array/MArray-decl.h, array/MArray-defs.h, array/MArray-f.cc, array/MArray-fC.cc, array/MArray-i.cc, array/MArray-s.cc, array/MArray.cc, array/MArray.h, array/MArray2.h, array/MArrayN.h, array/MDiagArray2.cc, array/MDiagArray2.h, array/MSparse-C.cc, array/MSparse-d.cc, array/MSparse-defs.h, array/MSparse.cc, array/MSparse.h, array/Matrix.h, array/MatrixType.cc, array/MatrixType.h, array/PermMatrix.cc, array/PermMatrix.h, array/Range.cc, array/Range.h, array/Sparse-C.cc, array/Sparse-b.cc, array/Sparse-d.cc, array/Sparse.cc, array/Sparse.h, array/boolMatrix.cc, array/boolMatrix.h, array/boolNDArray.cc, array/boolNDArray.h, array/boolSparse.cc, array/boolSparse.h, array/chMatrix.cc, array/chMatrix.h, array/chNDArray.cc, array/chNDArray.h, array/dColVector.cc, array/dColVector.h, array/dDiagMatrix.cc, array/dDiagMatrix.h, array/dMatrix.cc, array/dMatrix.h, array/dNDArray.cc, array/dNDArray.h, array/dRowVector.cc, array/dRowVector.h, array/dSparse.cc, array/dSparse.h, array/dim-vector.cc, array/dim-vector.h, array/fCColVector.cc, array/fCColVector.h, array/fCDiagMatrix.cc, array/fCDiagMatrix.h, array/fCMatrix.cc, array/fCMatrix.h, array/fCNDArray.cc, array/fCNDArray.h, array/fCRowVector.cc, array/fCRowVector.h, array/fColVector.cc, array/fColVector.h, array/fDiagMatrix.cc, array/fDiagMatrix.h, array/fMatrix.cc, array/fMatrix.h, array/fNDArray.cc, array/fNDArray.h, array/fRowVector.cc, array/fRowVector.h, array/idx-vector.cc, array/idx-vector.h, array/int16NDArray.cc, array/int16NDArray.h, array/int32NDArray.cc, array/int32NDArray.h, array/int64NDArray.cc, array/int64NDArray.h, array/int8NDArray.cc, array/int8NDArray.h, array/intNDArray.cc, array/intNDArray.h, array/module.mk, array/uint16NDArray.cc, array/uint16NDArray.h, array/uint32NDArray.cc, array/uint32NDArray.h, array/uint64NDArray.cc, array/uint64NDArray.h, array/uint8NDArray.cc, array/uint8NDArray.h: Moved from liboctave dir to array subdirectory. * cruft/Makefile.am, cruft/amos/README, cruft/amos/cacai.f, cruft/amos/cacon.f, cruft/amos/cairy.f, cruft/amos/casyi.f, cruft/amos/cbesh.f, cruft/amos/cbesi.f, cruft/amos/cbesj.f, cruft/amos/cbesk.f, cruft/amos/cbesy.f, cruft/amos/cbinu.f, cruft/amos/cbiry.f, cruft/amos/cbknu.f, cruft/amos/cbuni.f, cruft/amos/cbunk.f, cruft/amos/ckscl.f, cruft/amos/cmlri.f, cruft/amos/crati.f, cruft/amos/cs1s2.f, cruft/amos/cseri.f, cruft/amos/cshch.f, cruft/amos/cuchk.f, cruft/amos/cunhj.f, cruft/amos/cuni1.f, cruft/amos/cuni2.f, cruft/amos/cunik.f, cruft/amos/cunk1.f, cruft/amos/cunk2.f, cruft/amos/cuoik.f, cruft/amos/cwrsk.f, cruft/amos/dgamln.f, cruft/amos/gamln.f, cruft/amos/module.mk, cruft/amos/xzabs.f, cruft/amos/xzexp.f, cruft/amos/xzlog.f, cruft/amos/xzsqrt.f, cruft/amos/zacai.f, cruft/amos/zacon.f, cruft/amos/zairy.f, cruft/amos/zasyi.f, cruft/amos/zbesh.f, cruft/amos/zbesi.f, cruft/amos/zbesj.f, cruft/amos/zbesk.f, cruft/amos/zbesy.f, cruft/amos/zbinu.f, cruft/amos/zbiry.f, cruft/amos/zbknu.f, cruft/amos/zbuni.f, cruft/amos/zbunk.f, cruft/amos/zdiv.f, cruft/amos/zkscl.f, cruft/amos/zmlri.f, cruft/amos/zmlt.f, cruft/amos/zrati.f, cruft/amos/zs1s2.f, cruft/amos/zseri.f, cruft/amos/zshch.f, cruft/amos/zuchk.f, cruft/amos/zunhj.f, cruft/amos/zuni1.f, cruft/amos/zuni2.f, cruft/amos/zunik.f, cruft/amos/zunk1.f, cruft/amos/zunk2.f, cruft/amos/zuoik.f, cruft/amos/zwrsk.f, cruft/blas-xtra/cconv2.f, cruft/blas-xtra/cdotc3.f, cruft/blas-xtra/cmatm3.f, cruft/blas-xtra/csconv2.f, cruft/blas-xtra/dconv2.f, cruft/blas-xtra/ddot3.f, cruft/blas-xtra/dmatm3.f, cruft/blas-xtra/module.mk, cruft/blas-xtra/sconv2.f, cruft/blas-xtra/sdot3.f, cruft/blas-xtra/smatm3.f, cruft/blas-xtra/xcdotc.f, cruft/blas-xtra/xcdotu.f, cruft/blas-xtra/xddot.f, cruft/blas-xtra/xdnrm2.f, cruft/blas-xtra/xdznrm2.f, cruft/blas-xtra/xerbla.f, cruft/blas-xtra/xscnrm2.f, cruft/blas-xtra/xsdot.f, cruft/blas-xtra/xsnrm2.f, cruft/blas-xtra/xzdotc.f, cruft/blas-xtra/xzdotu.f, cruft/blas-xtra/zconv2.f, cruft/blas-xtra/zdconv2.f, cruft/blas-xtra/zdotc3.f, cruft/blas-xtra/zmatm3.f, cruft/daspk/datv.f, cruft/daspk/dcnst0.f, cruft/daspk/dcnstr.f, cruft/daspk/ddasic.f, cruft/daspk/ddasid.f, cruft/daspk/ddasik.f, cruft/daspk/ddaspk.f, cruft/daspk/ddstp.f, cruft/daspk/ddwnrm.f, cruft/daspk/dfnrmd.f, cruft/daspk/dfnrmk.f, cruft/daspk/dhels.f, cruft/daspk/dheqr.f, cruft/daspk/dinvwt.f, cruft/daspk/dlinsd.f, cruft/daspk/dlinsk.f, cruft/daspk/dmatd.f, cruft/daspk/dnedd.f, cruft/daspk/dnedk.f, cruft/daspk/dnsd.f, cruft/daspk/dnsid.f, cruft/daspk/dnsik.f, cruft/daspk/dnsk.f, cruft/daspk/dorth.f, cruft/daspk/dslvd.f, cruft/daspk/dslvk.f, cruft/daspk/dspigm.f, cruft/daspk/dyypnw.f, cruft/daspk/module.mk, cruft/dasrt/ddasrt.f, cruft/dasrt/drchek.f, cruft/dasrt/droots.f, cruft/dasrt/module.mk, cruft/dassl/ddaini.f, cruft/dassl/ddajac.f, cruft/dassl/ddanrm.f, cruft/dassl/ddaslv.f, cruft/dassl/ddassl.f, cruft/dassl/ddastp.f, cruft/dassl/ddatrp.f, cruft/dassl/ddawts.f, cruft/dassl/module.mk, cruft/fftpack/cfftb.f, cruft/fftpack/cfftb1.f, cruft/fftpack/cfftf.f, cruft/fftpack/cfftf1.f, cruft/fftpack/cffti.f, cruft/fftpack/cffti1.f, cruft/fftpack/fftpack.doc, cruft/fftpack/module.mk, cruft/fftpack/passb.f, cruft/fftpack/passb2.f, cruft/fftpack/passb3.f, cruft/fftpack/passb4.f, cruft/fftpack/passb5.f, cruft/fftpack/passf.f, cruft/fftpack/passf2.f, cruft/fftpack/passf3.f, cruft/fftpack/passf4.f, cruft/fftpack/passf5.f, cruft/fftpack/zfftb.f, cruft/fftpack/zfftb1.f, cruft/fftpack/zfftf.f, cruft/fftpack/zfftf1.f, cruft/fftpack/zffti.f, cruft/fftpack/zffti1.f, cruft/fftpack/zpassb.f, cruft/fftpack/zpassb2.f, cruft/fftpack/zpassb3.f, cruft/fftpack/zpassb4.f, cruft/fftpack/zpassb5.f, cruft/fftpack/zpassf.f, cruft/fftpack/zpassf2.f, cruft/fftpack/zpassf3.f, cruft/fftpack/zpassf4.f, cruft/fftpack/zpassf5.f, cruft/lapack-xtra/crsf2csf.f, cruft/lapack-xtra/module.mk, cruft/lapack-xtra/xclange.f, cruft/lapack-xtra/xdlamch.f, cruft/lapack-xtra/xdlange.f, cruft/lapack-xtra/xilaenv.f, cruft/lapack-xtra/xslamch.f, cruft/lapack-xtra/xslange.f, cruft/lapack-xtra/xzlange.f, cruft/lapack-xtra/zrsf2csf.f, cruft/link-deps.mk, cruft/misc/blaswrap.c, cruft/misc/cquit.c, cruft/misc/d1mach-tst.for, cruft/misc/d1mach.f, cruft/misc/f77-extern.cc, cruft/misc/f77-fcn.c, cruft/misc/f77-fcn.h, cruft/misc/i1mach.f, cruft/misc/lo-error.c, cruft/misc/lo-error.h, cruft/misc/module.mk, cruft/misc/quit.cc, cruft/misc/quit.h, cruft/misc/r1mach.f, cruft/mkf77def.in, cruft/odepack/cfode.f, cruft/odepack/dlsode.f, cruft/odepack/ewset.f, cruft/odepack/intdy.f, cruft/odepack/module.mk, cruft/odepack/prepj.f, cruft/odepack/scfode.f, cruft/odepack/sewset.f, cruft/odepack/sintdy.f, cruft/odepack/slsode.f, cruft/odepack/solsy.f, cruft/odepack/sprepj.f, cruft/odepack/ssolsy.f, cruft/odepack/sstode.f, cruft/odepack/stode.f, cruft/odepack/svnorm.f, cruft/odepack/vnorm.f, cruft/ordered-qz/README, cruft/ordered-qz/dsubsp.f, cruft/ordered-qz/exchqz.f, cruft/ordered-qz/module.mk, cruft/ordered-qz/sexchqz.f, cruft/ordered-qz/ssubsp.f, cruft/quadpack/dqagi.f, cruft/quadpack/dqagie.f, cruft/quadpack/dqagp.f, cruft/quadpack/dqagpe.f, cruft/quadpack/dqelg.f, cruft/quadpack/dqk15i.f, cruft/quadpack/dqk21.f, cruft/quadpack/dqpsrt.f, cruft/quadpack/module.mk, cruft/quadpack/qagi.f, cruft/quadpack/qagie.f, cruft/quadpack/qagp.f, cruft/quadpack/qagpe.f, cruft/quadpack/qelg.f, cruft/quadpack/qk15i.f, cruft/quadpack/qk21.f, cruft/quadpack/qpsrt.f, cruft/quadpack/xerror.f, cruft/ranlib/Basegen.doc, cruft/ranlib/HOWTOGET, cruft/ranlib/README, cruft/ranlib/advnst.f, cruft/ranlib/genbet.f, cruft/ranlib/genchi.f, cruft/ranlib/genexp.f, cruft/ranlib/genf.f, cruft/ranlib/gengam.f, cruft/ranlib/genmn.f, cruft/ranlib/genmul.f, cruft/ranlib/gennch.f, cruft/ranlib/gennf.f, cruft/ranlib/gennor.f, cruft/ranlib/genprm.f, cruft/ranlib/genunf.f, cruft/ranlib/getcgn.f, cruft/ranlib/getsd.f, cruft/ranlib/ignbin.f, cruft/ranlib/ignlgi.f, cruft/ranlib/ignnbn.f, cruft/ranlib/ignpoi.f, cruft/ranlib/ignuin.f, cruft/ranlib/initgn.f, cruft/ranlib/inrgcm.f, cruft/ranlib/lennob.f, cruft/ranlib/mltmod.f, cruft/ranlib/module.mk, cruft/ranlib/phrtsd.f, cruft/ranlib/qrgnin.f, cruft/ranlib/randlib.chs, cruft/ranlib/randlib.fdoc, cruft/ranlib/ranf.f, cruft/ranlib/setall.f, cruft/ranlib/setant.f, cruft/ranlib/setgmn.f, cruft/ranlib/setsd.f, cruft/ranlib/sexpo.f, cruft/ranlib/sgamma.f, cruft/ranlib/snorm.f, cruft/ranlib/tstbot.for, cruft/ranlib/tstgmn.for, cruft/ranlib/tstmid.for, cruft/ranlib/wrap.f, cruft/slatec-err/fdump.f, cruft/slatec-err/ixsav.f, cruft/slatec-err/j4save.f, cruft/slatec-err/module.mk, cruft/slatec-err/xerclr.f, cruft/slatec-err/xercnt.f, cruft/slatec-err/xerhlt.f, cruft/slatec-err/xermsg.f, cruft/slatec-err/xerprn.f, cruft/slatec-err/xerrwd.f, cruft/slatec-err/xersve.f, cruft/slatec-err/xgetf.f, cruft/slatec-err/xgetua.f, cruft/slatec-err/xsetf.f, cruft/slatec-err/xsetua.f, cruft/slatec-fn/acosh.f, cruft/slatec-fn/albeta.f, cruft/slatec-fn/algams.f, cruft/slatec-fn/alngam.f, cruft/slatec-fn/alnrel.f, cruft/slatec-fn/asinh.f, cruft/slatec-fn/atanh.f, cruft/slatec-fn/betai.f, cruft/slatec-fn/csevl.f, cruft/slatec-fn/d9gmit.f, cruft/slatec-fn/d9lgic.f, cruft/slatec-fn/d9lgit.f, cruft/slatec-fn/d9lgmc.f, cruft/slatec-fn/dacosh.f, cruft/slatec-fn/dasinh.f, cruft/slatec-fn/datanh.f, cruft/slatec-fn/dbetai.f, cruft/slatec-fn/dcsevl.f, cruft/slatec-fn/derf.f, cruft/slatec-fn/derfc.in.f, cruft/slatec-fn/dgami.f, cruft/slatec-fn/dgamit.f, cruft/slatec-fn/dgamlm.f, cruft/slatec-fn/dgamma.f, cruft/slatec-fn/dgamr.f, cruft/slatec-fn/dlbeta.f, cruft/slatec-fn/dlgams.f, cruft/slatec-fn/dlngam.f, cruft/slatec-fn/dlnrel.f, cruft/slatec-fn/dpchim.f, cruft/slatec-fn/dpchst.f, cruft/slatec-fn/erf.f, cruft/slatec-fn/erfc.in.f, cruft/slatec-fn/gami.f, cruft/slatec-fn/gamit.f, cruft/slatec-fn/gamlim.f, cruft/slatec-fn/gamma.f, cruft/slatec-fn/gamr.f, cruft/slatec-fn/initds.f, cruft/slatec-fn/inits.f, cruft/slatec-fn/module.mk, cruft/slatec-fn/pchim.f, cruft/slatec-fn/pchst.f, cruft/slatec-fn/r9gmit.f, cruft/slatec-fn/r9lgic.f, cruft/slatec-fn/r9lgit.f, cruft/slatec-fn/r9lgmc.f, cruft/slatec-fn/xacosh.f, cruft/slatec-fn/xasinh.f, cruft/slatec-fn/xatanh.f, cruft/slatec-fn/xbetai.f, cruft/slatec-fn/xdacosh.f, cruft/slatec-fn/xdasinh.f, cruft/slatec-fn/xdatanh.f, cruft/slatec-fn/xdbetai.f, cruft/slatec-fn/xderf.f, cruft/slatec-fn/xderfc.f, cruft/slatec-fn/xdgami.f, cruft/slatec-fn/xdgamit.f, cruft/slatec-fn/xdgamma.f, cruft/slatec-fn/xerf.f, cruft/slatec-fn/xerfc.f, cruft/slatec-fn/xgamma.f, cruft/slatec-fn/xgmainc.f, cruft/slatec-fn/xsgmainc.f: Moved from top-level libcruft to cruft directory below liboctave. * numeric/CmplxAEPBAL.cc, numeric/CmplxAEPBAL.h, numeric/CmplxCHOL.cc, numeric/CmplxCHOL.h, numeric/CmplxGEPBAL.cc, numeric/CmplxGEPBAL.h, numeric/CmplxHESS.cc, numeric/CmplxHESS.h, numeric/CmplxLU.cc, numeric/CmplxLU.h, numeric/CmplxQR.cc, numeric/CmplxQR.h, numeric/CmplxQRP.cc, numeric/CmplxQRP.h, numeric/CmplxSCHUR.cc, numeric/CmplxSCHUR.h, numeric/CmplxSVD.cc, numeric/CmplxSVD.h, numeric/CollocWt.cc, numeric/CollocWt.h, numeric/DAE.h, numeric/DAEFunc.h, numeric/DAERT.h, numeric/DAERTFunc.h, numeric/DASPK-opts.in, numeric/DASPK.cc, numeric/DASPK.h, numeric/DASRT-opts.in, numeric/DASRT.cc, numeric/DASRT.h, numeric/DASSL-opts.in, numeric/DASSL.cc, numeric/DASSL.h, numeric/DET.h, numeric/EIG.cc, numeric/EIG.h, numeric/LSODE-opts.in, numeric/LSODE.cc, numeric/LSODE.h, numeric/ODE.h, numeric/ODEFunc.h, numeric/ODES.cc, numeric/ODES.h, numeric/ODESFunc.h, numeric/Quad-opts.in, numeric/Quad.cc, numeric/Quad.h, numeric/SparseCmplxCHOL.cc, numeric/SparseCmplxCHOL.h, numeric/SparseCmplxLU.cc, numeric/SparseCmplxLU.h, numeric/SparseCmplxQR.cc, numeric/SparseCmplxQR.h, numeric/SparseQR.cc, numeric/SparseQR.h, numeric/SparsedbleCHOL.cc, numeric/SparsedbleCHOL.h, numeric/SparsedbleLU.cc, numeric/SparsedbleLU.h, numeric/base-aepbal.h, numeric/base-dae.h, numeric/base-de.h, numeric/base-lu.cc, numeric/base-lu.h, numeric/base-min.h, numeric/base-qr.cc, numeric/base-qr.h, numeric/bsxfun-decl.h, numeric/bsxfun-defs.cc, numeric/bsxfun.h, numeric/dbleAEPBAL.cc, numeric/dbleAEPBAL.h, numeric/dbleCHOL.cc, numeric/dbleCHOL.h, numeric/dbleGEPBAL.cc, numeric/dbleGEPBAL.h, numeric/dbleHESS.cc, numeric/dbleHESS.h, numeric/dbleLU.cc, numeric/dbleLU.h, numeric/dbleQR.cc, numeric/dbleQR.h, numeric/dbleQRP.cc, numeric/dbleQRP.h, numeric/dbleSCHUR.cc, numeric/dbleSCHUR.h, numeric/dbleSVD.cc, numeric/dbleSVD.h, numeric/eigs-base.cc, numeric/fCmplxAEPBAL.cc, numeric/fCmplxAEPBAL.h, numeric/fCmplxCHOL.cc, numeric/fCmplxCHOL.h, numeric/fCmplxGEPBAL.cc, numeric/fCmplxGEPBAL.h, numeric/fCmplxHESS.cc, numeric/fCmplxHESS.h, numeric/fCmplxLU.cc, numeric/fCmplxLU.h, numeric/fCmplxQR.cc, numeric/fCmplxQR.h, numeric/fCmplxQRP.cc, numeric/fCmplxQRP.h, numeric/fCmplxSCHUR.cc, numeric/fCmplxSCHUR.h, numeric/fCmplxSVD.cc, numeric/fCmplxSVD.h, numeric/fEIG.cc, numeric/fEIG.h, numeric/floatAEPBAL.cc, numeric/floatAEPBAL.h, numeric/floatCHOL.cc, numeric/floatCHOL.h, numeric/floatGEPBAL.cc, numeric/floatGEPBAL.h, numeric/floatHESS.cc, numeric/floatHESS.h, numeric/floatLU.cc, numeric/floatLU.h, numeric/floatQR.cc, numeric/floatQR.h, numeric/floatQRP.cc, numeric/floatQRP.h, numeric/floatSCHUR.cc, numeric/floatSCHUR.h, numeric/floatSVD.cc, numeric/floatSVD.h, numeric/lo-mappers.cc, numeric/lo-mappers.h, numeric/lo-specfun.cc, numeric/lo-specfun.h, numeric/module.mk, numeric/oct-convn.cc, numeric/oct-convn.h, numeric/oct-fftw.cc, numeric/oct-fftw.h, numeric/oct-norm.cc, numeric/oct-norm.h, numeric/oct-rand.cc, numeric/oct-rand.h, numeric/oct-spparms.cc, numeric/oct-spparms.h, numeric/randgamma.c, numeric/randgamma.h, numeric/randmtzig.c, numeric/randmtzig.h, numeric/randpoisson.c, numeric/randpoisson.h, numeric/sparse-base-chol.cc, numeric/sparse-base-chol.h, numeric/sparse-base-lu.cc, numeric/sparse-base-lu.h, numeric/sparse-dmsolve.cc: Moved from liboctave dir to numeric subdirectory. * operators/Sparse-diag-op-defs.h, operators/Sparse-op-defs.h, operators/Sparse-perm-op-defs.h, operators/config-ops.sh, operators/mk-ops.awk, operators/module.mk, operators/mx-base.h, operators/mx-defs.h, operators/mx-ext.h, operators/mx-inlines.cc, operators/mx-op-decl.h, operators/mx-op-defs.h, operators/mx-ops, operators/sparse-mk-ops.awk, operators/sparse-mx-ops, operators/vx-ops: Moved from liboctave dir to operators subdirectory. * system/dir-ops.cc, system/dir-ops.h, system/file-ops.cc, system/file-ops.h, system/file-stat.cc, system/file-stat.h, system/lo-sysdep.cc, system/lo-sysdep.h, system/mach-info.cc, system/mach-info.h, system/module.mk, system/oct-env.cc, system/oct-env.h, system/oct-group.cc, system/oct-group.h, system/oct-openmp.h, system/oct-passwd.cc, system/oct-passwd.h, system/oct-syscalls.cc, system/oct-syscalls.h, system/oct-time.cc, system/oct-time.h, system/oct-uname.cc, system/oct-uname.h, system/pathlen.h, system/sysdir.h, system/syswait.h, system/tempnam.c, system/tempname.c: Moved from liboctave dir to system subdirectory. * util/base-list.h, util/byte-swap.h, util/caseless-str.h, util/cmd-edit.cc, util/cmd-edit.h, util/cmd-hist.cc, util/cmd-hist.h, util/data-conv.cc, util/data-conv.h, util/f2c-main.c, util/functor.h, util/glob-match.cc, util/glob-match.h, util/kpse.cc, util/lo-array-gripes.cc, util/lo-array-gripes.h, util/lo-cieee.c, util/lo-cutils.c, util/lo-cutils.h, util/lo-ieee.cc, util/lo-ieee.h, util/lo-macros.h, util/lo-math.h, util/lo-traits.h, util/lo-utils.cc, util/lo-utils.h, util/module.mk, util/oct-alloc.cc, util/oct-alloc.h, util/oct-base64.cc, util/oct-base64.h, util/oct-binmap.h, util/oct-cmplx.h, util/oct-glob.cc, util/oct-glob.h, util/oct-inttypes.cc, util/oct-inttypes.h, util/oct-locbuf.cc, util/oct-locbuf.h, util/oct-md5.cc, util/oct-md5.h, util/oct-mem.h, util/oct-mutex.cc, util/oct-mutex.h, util/oct-refcount.h, util/oct-rl-edit.c, util/oct-rl-edit.h, util/oct-rl-hist.c, util/oct-rl-hist.h, util/oct-shlib.cc, util/oct-shlib.h, util/oct-sort.cc, util/oct-sort.h, util/oct-sparse.h, util/pathsearch.cc, util/pathsearch.h, util/regexp.cc, util/regexp.h, util/singleton-cleanup.cc, util/singleton-cleanup.h, util/sparse-sort.cc, util/sparse-sort.h, util/sparse-util.cc, util/sparse-util.h, util/statdefs.h, util/str-vec.cc, util/str-vec.h, util/sun-utils.h: Moved from liboctave dir to util subdirectory. * Makefile.am: Eliminate reference to top-level liboctave directory. * autogen.sh: cd to new liboctave/operators directory to run config-ops.sh. * build-aux/common.mk: Eliminate LIBCRUFT references. * configure.ac: Eliminate libcruft top-level references. Switch test programs to find files in liboctave/cruft subdirectory. * OctaveFAQ.texi, install.txi, mkoctfile.1: Eliminate references to libcruft in docs. * libgui/src/Makefile.am, libinterp/Makefile.am, src/Makefile.am: Update include file locations. Stop linking against libcruft. * libinterp/corefcn/module.mk: Update location of OPT_INC files which are now in numeric/ subdirectory. * libinterp/dldfcn/config-module.awk: Stop linking against libcruft. * libinterp/interpfcn/toplev.cc: Remove reference to LIBCRUFT. * libinterp/link-deps.mk, liboctave/link-deps.mk: Add GNULIB_LINK_DEPS to link dependencies. * libinterp/oct-conf.in.h: Remove reference to OCTAVE_CONF_LIBCRUFT. * liboctave/Makefile.am: Overhaul to use convenience libraries in subdirectories. * scripts/miscellaneous/mkoctfile.m: Eliminate reference to LIBCRUFT. * src/mkoctfile.in.cc, src/mkoctfile.in.sh: Stop linking againt libcruft. Eliminate references to LIBCRUFT.
author Rik <rik@octave.org>
date Fri, 31 Aug 2012 20:00:20 -0700
parents liboctave/oct-inttypes.cc@3d8ace26c5b4
children d63878346099
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1 /*
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2
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3 Copyright (C) 2004-2012 John W. Eaton
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4 Copyright (C) 2008-2009 Jaroslav Hajek
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5
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include "lo-error.h"
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29
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30 #include "oct-inttypes.h"
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31
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32 template<class T>
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33 const octave_int<T> octave_int<T>::zero (static_cast<T> (0));
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34
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35 template<class T>
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36 const octave_int<T> octave_int<T>::one (static_cast<T> (1));
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37
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38 // define type names.
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39 #define DECLARE_OCTAVE_INT_TYPENAME(TYPE, TYPENAME) \
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40 template <> \
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41 OCTAVE_API const char * \
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42 octave_int<TYPE>::type_name () { return TYPENAME; }
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43
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44 DECLARE_OCTAVE_INT_TYPENAME (int8_t, "int8")
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45 DECLARE_OCTAVE_INT_TYPENAME (int16_t, "int16")
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46 DECLARE_OCTAVE_INT_TYPENAME (int32_t, "int32")
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47 DECLARE_OCTAVE_INT_TYPENAME (int64_t, "int64")
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48 DECLARE_OCTAVE_INT_TYPENAME (uint8_t, "uint8")
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49 DECLARE_OCTAVE_INT_TYPENAME (uint16_t, "uint16")
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50 DECLARE_OCTAVE_INT_TYPENAME (uint32_t, "uint32")
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51 DECLARE_OCTAVE_INT_TYPENAME (uint64_t, "uint64")
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52
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53 #ifndef OCTAVE_INT_USE_LONG_DOUBLE
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54
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55 // Define comparison operators
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56
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57 template <class xop>
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58 bool
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59 octave_int_cmp_op::emulate_mop (uint64_t x, double y)
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60 {
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61 static const double xxup = std::numeric_limits<uint64_t>::max ();
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62 // This converts to the nearest double. Unless there's an equality, the
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63 // result is clear.
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64 double xx = x;
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65 if (xx != y)
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66 return xop::op (xx, y);
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67 else
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68 {
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69 // If equality occured we compare as integers.
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70 if (xx == xxup)
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71 return xop::gtval;
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72 else
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73 return xop::op (x, static_cast<uint64_t> (xx));
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74 }
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75 }
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76
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77 template <class xop>
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78 bool
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79 octave_int_cmp_op::emulate_mop (int64_t x, double y)
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80 {
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81 static const double xxup = std::numeric_limits<int64_t>::max ();
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82 static const double xxlo = std::numeric_limits<int64_t>::min ();
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83 // This converts to the nearest double. Unless there's an equality, the
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84 // result is clear.
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85 double xx = x;
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86 if (xx != y)
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87 return xop::op (xx, y);
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88 else
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89 {
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90 // If equality occured we compare as integers.
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91 if (xx == xxup)
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92 return xop::gtval;
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93 else if (xx == xxlo)
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94 return xop::ltval;
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95 else
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96 return xop::op (x, static_cast<int64_t> (xx));
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97 }
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98
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99 }
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100
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101 // We define double-int operations by reverting the operator
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102
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103 // A trait class reverting the operator
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104 template <class xop>
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105 class rev_op
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106 {
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107 public:
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108 typedef xop op;
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109 };
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110
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111 #define DEFINE_REVERTED_OPERATOR(OP1,OP2) \
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112 template <> \
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113 class rev_op<octave_int_cmp_op::OP1> \
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114 { \
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115 public: \
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116 typedef octave_int_cmp_op::OP2 op; \
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117 }
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118
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119 DEFINE_REVERTED_OPERATOR(lt,gt);
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120 DEFINE_REVERTED_OPERATOR(gt,lt);
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121 DEFINE_REVERTED_OPERATOR(le,ge);
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diff changeset
122 DEFINE_REVERTED_OPERATOR(ge,le);
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diff changeset
123
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diff changeset
124 template <class xop>
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125 bool
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ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
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diff changeset
126 octave_int_cmp_op::emulate_mop (double x, uint64_t y)
8185
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127 {
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diff changeset
128 typedef typename rev_op<xop>::op rop;
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129 return mop<rop> (y, x);
69c5cce38c29 implement 64-bit arithmetics
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130 }
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131
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132 template <class xop>
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133 bool
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diff changeset
134 octave_int_cmp_op::emulate_mop (double x, int64_t y)
8185
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135 {
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
136 typedef typename rev_op<xop>::op rop;
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137 return mop<rop> (y, x);
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diff changeset
138 }
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
139
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
140
69c5cce38c29 implement 64-bit arithmetics
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141 // Define handlers for int64 multiplication
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Jaroslav Hajek <highegg@gmail.com>
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diff changeset
142
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diff changeset
143 template <>
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diff changeset
144 uint64_t
8185
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diff changeset
145 octave_int_arith_base<uint64_t, false>::mul (uint64_t x, uint64_t y)
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146 {
8185
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147 // Get upper words
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diff changeset
148 uint64_t ux = x >> 32, uy = y >> 32;
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149 uint64_t res;
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diff changeset
150 if (ux)
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diff changeset
151 {
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152 if (uy)
8185
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153 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
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154 else
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
155 {
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diff changeset
156 uint64_t ly = static_cast<uint32_t> (y), uxly = ux*ly;
11586
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157 if (uxly >> 32)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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158 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
159 uxly <<= 32; // never overflows
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
160 uint64_t lx = static_cast<uint32_t> (x), lxly = lx*ly;
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
161 res = add (uxly, lxly);
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
162 }
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
163 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
164 else if (uy)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
165 {
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
166 uint64_t lx = static_cast<uint32_t> (x), uylx = uy*lx;
11586
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diff changeset
167 if (uylx >> 32)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
168 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
169 uylx <<= 32; // never overflows
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
170 uint64_t ly = static_cast<uint32_t> (y), lylx = ly*lx;
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
171 res = add (uylx, lylx);
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
172 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
173 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
174 {
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
175 uint64_t lx = static_cast<uint32_t> (x);
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
176 uint64_t ly = static_cast<uint32_t> (y);
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
177 res = lx*ly;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
178 }
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
179
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
180 return res;
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
181
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
182 overflow:
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
183 return max_val ();
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
184 }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
185
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
186 template <>
11586
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diff changeset
187 int64_t
8185
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
188 octave_int_arith_base<int64_t, true>::mul (int64_t x, int64_t y)
11586
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diff changeset
189 {
8185
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
190 // The signed case is far worse. The problem is that
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
191 // even if neither integer fits into signed 32-bit range, the result may
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
192 // still be OK. Uh oh.
11586
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diff changeset
193
8185
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
194 // Essentially, what we do is compute sign, multiply absolute values
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
195 // (as above) and impose the sign.
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
196 // FIXME -- can we do something faster if we HAVE_FAST_INT_OPS?
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
197
8293
ad5bb02d267a workaround missing std::abs(int64_t) in MSVC
Jaroslav Hajek <highegg@gmail.com>
parents: 8202
diff changeset
198 uint64_t usx = octave_int_abs (x), usy = octave_int_abs (y);
8185
69c5cce38c29 implement 64-bit arithmetics
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diff changeset
199 bool positive = (x < 0) == (y < 0);
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
200
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
201 // Get upper words
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
202 uint64_t ux = usx >> 32, uy = usy >> 32;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
203 uint64_t res;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
204 if (ux)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
205 {
11586
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parents: 11523
diff changeset
206 if (uy)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
207 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
208 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
209 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
210 uint64_t ly = static_cast<uint32_t> (usy), uxly = ux*ly;
11586
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parents: 11523
diff changeset
211 if (uxly >> 32)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
212 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
213 uxly <<= 32; // never overflows
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
214 uint64_t lx = static_cast<uint32_t> (usx), lxly = lx*ly;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
215 res = uxly + lxly;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
216 if (res < uxly)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
217 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
218 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
219 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
220 else if (uy)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
221 {
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
222 uint64_t lx = static_cast<uint32_t> (usx), uylx = uy*lx;
11586
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John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
223 if (uylx >> 32)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
224 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
225 uylx <<= 32; // never overflows
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
226 uint64_t ly = static_cast<uint32_t> (usy), lylx = ly*lx;
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
227 res = uylx + lylx;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
228 if (res < uylx)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
229 goto overflow;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
230 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
231 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
232 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
233 uint64_t lx = static_cast<uint32_t> (usx);
69c5cce38c29 implement 64-bit arithmetics
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parents: 8169
diff changeset
234 uint64_t ly = static_cast<uint32_t> (usy);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
235 res = lx*ly;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
236 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
237
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
238 if (positive)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
239 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
240 if (res > static_cast<uint64_t> (max_val ()))
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
241 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
242 return max_val ();
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
243 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
244 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
245 return static_cast<int64_t> (res);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
246 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
247 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
248 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
249 if (res > static_cast<uint64_t> (-min_val ()))
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
250 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
251 return min_val ();
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
252 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
253 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
254 return -static_cast<int64_t> (res);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
255 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
256
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
257
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
258 overflow:
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
259 return positive ? max_val () : min_val ();
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
260
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261 }
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262
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263 #define INT_DOUBLE_BINOP_DECL(OP,SUFFIX) \
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264 template <> \
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265 OCTAVE_API octave_ ## SUFFIX \
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266 operator OP (const octave_ ## SUFFIX & x, const double& y)
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267
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268 #define DOUBLE_INT_BINOP_DECL(OP,SUFFIX) \
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269 template <> \
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270 OCTAVE_API octave_ ## SUFFIX \
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271 operator OP (const double& x, const octave_ ## SUFFIX & y)
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272
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273 INT_DOUBLE_BINOP_DECL (+, uint64)
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274 {
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275 return (y < 0) ? x - octave_uint64 (-y) : x + octave_uint64 (y);
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276 }
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277
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278 DOUBLE_INT_BINOP_DECL (+, uint64)
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279 { return y + x; }
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280
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281 INT_DOUBLE_BINOP_DECL (+, int64)
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282 {
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283 if (fabs (y) < static_cast<double> (octave_int64::max ()))
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284 return x + octave_int64 (y);
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285 else
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286 {
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287 // If the number is within the int64 range (the most common case,
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288 // probably), the above will work as expected. If not, it's more
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289 // complicated - as long as y is within _twice_ the signed range, the
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290 // result may still be an integer. An instance of such an operation is
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291 // 3*2**62 + (1+intmin ('int64')) that should yield int64 (2**62) + 1. So
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292 // what we do is to try to convert y/2 and add it twice. Note that if y/2
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293 // overflows, the result must overflow as well, and that y/2 cannot be a
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294 // fractional number.
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295 octave_int64 y2 (y / 2);
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296 return (x + y2) + y2;
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297 }
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298 }
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299
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300 DOUBLE_INT_BINOP_DECL (+, int64)
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301 {
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302 return y + x;
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303 }
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304
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305 INT_DOUBLE_BINOP_DECL (-, uint64)
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306 {
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307 return x + (-y);
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308 }
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309
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310 DOUBLE_INT_BINOP_DECL (-, uint64)
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311 {
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312 if (x <= static_cast<double> (octave_uint64::max ()))
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313 return octave_uint64 (x) - y;
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314 else
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315 {
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316 // Again a trick to get the corner cases right. Things like
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317 // 3**2**63 - intmax ('uint64') should produce the correct result, i.e.
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318 // int64 (2**63) + 1.
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319 const double p2_64 = std::pow (2.0, 64);
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320 if (y.bool_value ())
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321 {
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322 const uint64_t p2_64my = (~y.value ()) + 1; // Equals 2**64 - y
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323 return octave_uint64 (x - p2_64) + octave_uint64 (p2_64my);
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324 }
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325 else
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326 return octave_uint64 (p2_64);
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327 }
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328 }
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329
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330 INT_DOUBLE_BINOP_DECL (-, int64)
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331 {
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332 return x + (-y);
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333 }
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334
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335 DOUBLE_INT_BINOP_DECL (-, int64)
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336 {
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337 static const bool twosc = (std::numeric_limits<int64_t>::min ()
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338 < -std::numeric_limits<int64_t>::max ());
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339 // In case of symmetric integers (not two's complement), this will probably
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340 // be eliminated at compile time.
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341 if (twosc && y.value () == std::numeric_limits<int64_t>::min ())
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342 {
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343 return octave_int64 (x + std::pow (2.0, 63));
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344 }
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345 else
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346 return x + (-y);
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347 }
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348
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349 // NOTE:
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350 // Emulated mixed multiplications are tricky due to possible precision loss.
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351 // Here, after sorting out common cases for speed, we follow the strategy
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352 // of converting the double number into the form sign * 64-bit integer* 2**exponent,
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353 // multiply the 64-bit integers to get a 128-bit number, split that number into 32-bit words
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354 // and form 4 double-valued summands (none of which loases precision), then convert these
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355 // into integers and sum them. Though it is not immediately obvious, this should work
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356 // even w.r.t. rounding (none of the summands lose precision).
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357
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358 // Multiplies two unsigned 64-bit ints to get a 128-bit number represented
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359 // as four 32-bit words.
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360 static void
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361 umul128 (uint64_t x, uint64_t y, uint32_t w[4])
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362 {
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363 uint64_t lx = static_cast<uint32_t> (x), ux = x >> 32;
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364 uint64_t ly = static_cast<uint32_t> (y), uy = y >> 32;
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365 uint64_t a = lx * ly;
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366 w[0] = a; a >>= 32;
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367 uint64_t uxly = ux*ly, uylx = uy*lx;
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368 a += static_cast<uint32_t> (uxly); uxly >>= 32;
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369 a += static_cast<uint32_t> (uylx); uylx >>= 32;
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370 w[1] = a; a >>= 32;
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371 uint64_t uxuy = ux * uy;
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372 a += uxly; a += uylx; a += uxuy;
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373 w[2] = a; a >>= 32;
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374 w[3] = a;
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375 }
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376
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377 // Splits a double into bool sign, unsigned 64-bit mantissa and int exponent
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378 static void
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379 dblesplit (double x, bool& sign, uint64_t& mtis, int& exp)
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380 {
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381 sign = x < 0; x = fabs (x);
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382 x = frexp (x, &exp);
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383 exp -= 52;
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384 mtis = static_cast<uint64_t> (ldexp (x, 52));
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385 }
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386
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387 // Gets a double number from a 32-bit unsigned integer mantissa, exponent and sign.
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388 static double
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389 dbleget (bool sign, uint32_t mtis, int exp)
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390 {
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391 double x = ldexp (static_cast<double> (mtis), exp);
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392 return sign ? -x : x;
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393 }
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394
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395
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396 INT_DOUBLE_BINOP_DECL (*, uint64)
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397 {
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398 if (y >= 0 && y < octave_uint64::max () && y == xround (y))
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diff changeset
399 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
400 return x * octave_uint64 (static_cast<uint64_t> (y));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
401 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
402 else if (y == 0.5)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
403 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
404 return x / octave_uint64 (static_cast<uint64_t> (2));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
405 }
9013
3b1908b58662 fixes in mixed int64-double multiply emulation
Jaroslav Hajek <highegg@gmail.com>
parents: 9003
diff changeset
406 else if (y < 0 || xisnan (y) || xisinf (y))
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
407 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
408 return octave_uint64 (x.value () * y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
409 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
410 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
411 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
412 bool sign;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
413 uint64_t my;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
414 int e;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
415 dblesplit (y, sign, my, e);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
416 uint32_t w[4];
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
417 umul128 (x.value (), my, w);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
418 octave_uint64 res = octave_uint64::zero;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
419 for (short i = 0; i < 4; i++)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
420 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
421 res += octave_uint64 (dbleget (sign, w[i], e));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
422 e += 32;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
423 }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
424 return res;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
425 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
426 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
427
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
428 DOUBLE_INT_BINOP_DECL (*, uint64)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
429 { return y * x; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
430
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
431 INT_DOUBLE_BINOP_DECL (*, int64)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
432 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
433 if (fabs (y) < octave_int64::max () && y == xround (y))
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
434 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
435 return x * octave_int64 (static_cast<int64_t> (y));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
436 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
437 else if (fabs (y) == 0.5)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
438 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
439 return x / octave_int64 (static_cast<uint64_t> (4*y));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
440 }
9013
3b1908b58662 fixes in mixed int64-double multiply emulation
Jaroslav Hajek <highegg@gmail.com>
parents: 9003
diff changeset
441 else if (xisnan (y) || xisinf (y))
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
442 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
443 return octave_int64 (x.value () * y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
444 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
445 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
446 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
447 bool sign;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
448 uint64_t my;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
449 int e;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
450 dblesplit (y, sign, my, e);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
451 uint32_t w[4];
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
452 sign = (sign != (x.value () < 0));
8293
ad5bb02d267a workaround missing std::abs(int64_t) in MSVC
Jaroslav Hajek <highegg@gmail.com>
parents: 8202
diff changeset
453 umul128 (octave_int_abs (x.value ()), my, w);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
454 octave_int64 res = octave_int64::zero;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
455 for (short i = 0; i < 4; i++)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
456 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
457 res += octave_int64 (dbleget (sign, w[i], e));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
458 e += 32;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
459 }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
460 return res;
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
461 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
462 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
463
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
464 DOUBLE_INT_BINOP_DECL (*, int64)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
465 { return y * x; }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
466
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
467 DOUBLE_INT_BINOP_DECL (/, uint64)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
468 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
469 return octave_uint64 (x / static_cast<double> (y));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
470 }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents:
diff changeset
471
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
472 DOUBLE_INT_BINOP_DECL (/, int64)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
473 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
474 return octave_int64 (x / static_cast<double> (y));
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
475 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
476
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
477 INT_DOUBLE_BINOP_DECL (/, uint64)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
478 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
479 if (y >= 0 && y < octave_uint64::max () && y == xround (y))
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
480 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
481 return x / octave_uint64 (y);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
482 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
483 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
484 return x * (1.0/y);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
485 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
486
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
487 INT_DOUBLE_BINOP_DECL (/, int64)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
488 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
489 if (fabs (y) < octave_int64::max () && y == xround (y))
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
490 {
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
491 return x / octave_int64 (y);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
492 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
493 else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
494 return x * (1.0/y);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
495 }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
496
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
497 #define INSTANTIATE_INT64_DOUBLE_CMP_OP0(OP,T1,T2) \
9237
3c1762c7e787 Add missing xxx_API decoration and remove misplaced ones
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9013
diff changeset
498 template OCTAVE_API bool \
8856
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8797
diff changeset
499 octave_int_cmp_op::emulate_mop<octave_int_cmp_op::OP> (T1 x, T2 y)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
500
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
501 #define INSTANTIATE_INT64_DOUBLE_CMP_OP(OP) \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
502 INSTANTIATE_INT64_DOUBLE_CMP_OP0(OP, double, int64_t); \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
503 INSTANTIATE_INT64_DOUBLE_CMP_OP0(OP, double, uint64_t); \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
504 INSTANTIATE_INT64_DOUBLE_CMP_OP0(OP, int64_t, double); \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
505 INSTANTIATE_INT64_DOUBLE_CMP_OP0(OP, uint64_t, double)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
506
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
507 INSTANTIATE_INT64_DOUBLE_CMP_OP(lt);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
508 INSTANTIATE_INT64_DOUBLE_CMP_OP(le);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
509 INSTANTIATE_INT64_DOUBLE_CMP_OP(gt);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
510 INSTANTIATE_INT64_DOUBLE_CMP_OP(ge);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
511 INSTANTIATE_INT64_DOUBLE_CMP_OP(eq);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
512 INSTANTIATE_INT64_DOUBLE_CMP_OP(ne);
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
513
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
514 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
515
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
516 //template <class T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
517 //bool
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
518 //xisnan (const octave_int<T>&)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
519 //{
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
520 // return false;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
521 //}
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents:
diff changeset
522
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
523 template <class T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
524 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
525 pow (const octave_int<T>& a, const octave_int<T>& b)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
526 {
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
527 octave_int<T> retval;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
528
8864
4d328b8979c8 simplify integer power
Jaroslav Hajek <highegg@gmail.com>
parents: 8856
diff changeset
529 octave_int<T> zero = static_cast<T> (0);
4d328b8979c8 simplify integer power
Jaroslav Hajek <highegg@gmail.com>
parents: 8856
diff changeset
530 octave_int<T> one = static_cast<T> (1);
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
531
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
532 if (b == zero || a == one)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
533 retval = one;
8864
4d328b8979c8 simplify integer power
Jaroslav Hajek <highegg@gmail.com>
parents: 8856
diff changeset
534 else if (b < zero)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
535 {
8864
4d328b8979c8 simplify integer power
Jaroslav Hajek <highegg@gmail.com>
parents: 8856
diff changeset
536 if (a == -one)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
537 retval = (b.value () % 2) ? a : one;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
538 else
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
539 retval = zero;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
540 }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
541 else
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 7521
diff changeset
542 {
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
543 octave_int<T> a_val = a;
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
544 T b_val = b; // no need to do saturation on b
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545
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546 retval = a;
66bc6f9b4f72 rewrite integer arithmetics and conversions
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547
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diff changeset
548 b_val -= 1;
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549
66bc6f9b4f72 rewrite integer arithmetics and conversions
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550 while (b_val != 0)
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551 {
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552 if (b_val & 1)
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553 retval = retval * a_val;
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554
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555 b_val = b_val >> 1;
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556
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557 if (b_val)
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558 a_val = a_val * a_val;
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559 }
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560 }
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561
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562 return retval;
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563 }
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564
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565 template <class T>
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diff changeset
566 octave_int<T>
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diff changeset
567 pow (const double& a, const octave_int<T>& b)
66bc6f9b4f72 rewrite integer arithmetics and conversions
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parents: 7521
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568 { return octave_int<T> (pow (a, b.double_value ())); }
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
569
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
570 template <class T>
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diff changeset
571 octave_int<T>
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572 pow (const octave_int<T>& a, const double& b)
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573 {
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574 return ((b >= 0 && b < std::numeric_limits<T>::digits && b == xround (b))
ec3a55bd876b fix integer exponentiation
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diff changeset
575 ? pow (a, octave_int<T> (static_cast<T> (b)))
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576 : octave_int<T> (pow (a.double_value (), b)));
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577 }
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578
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diff changeset
579 template <class T>
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parents: 7521
diff changeset
580 octave_int<T>
13012
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diff changeset
581 pow (const float& a, const octave_int<T>& b)
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff changeset
582 { return octave_int<T> (pow (a, b.float_value ())); }
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
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diff changeset
583
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
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diff changeset
584 template <class T>
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff changeset
585 octave_int<T>
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
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parents: 11586
diff changeset
586 pow (const octave_int<T>& a, const float& b)
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
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parents: 11586
diff changeset
587 {
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parents: 11586
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588 return ((b >= 0 && b < std::numeric_limits<T>::digits && b == xround (b))
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
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parents: 11586
diff changeset
589 ? pow (a, octave_int<T> (static_cast<T> (b)))
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parents: 11586
diff changeset
590 : octave_int<T> (pow (a.double_value (), static_cast<double> (b))));
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parents: 11586
diff changeset
591 }
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diff changeset
592
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
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diff changeset
593 // FIXME: Do we really need a differently named single-precision
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diff changeset
594 // function integer power function here instead of an overloaded
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diff changeset
595 // one?
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diff changeset
596 template <class T>
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diff changeset
597 octave_int<T>
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diff changeset
598 powf (const float& a, const octave_int<T>& b)
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parents: 7521
diff changeset
599 { return octave_int<T> (pow (a, b.float_value ())); }
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
600
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
601 template <class T>
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parents: 7521
diff changeset
602 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
603 powf (const octave_int<T>& a, const float& b)
8195
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parents: 8192
diff changeset
604 {
ec3a55bd876b fix integer exponentiation
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diff changeset
605 return ((b >= 0 && b < std::numeric_limits<T>::digits && b == xround (b))
ec3a55bd876b fix integer exponentiation
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parents: 8192
diff changeset
606 ? pow (a, octave_int<T> (static_cast<T> (b)))
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parents: 11523
diff changeset
607 : octave_int<T> (pow (a.double_value (), static_cast<double> (b))));
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diff changeset
608 }
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diff changeset
609
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
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diff changeset
610 #define INSTANTIATE_INTTYPE(T) \
6108
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diff changeset
611 template class OCTAVE_API octave_int<T>; \
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diff changeset
612 template OCTAVE_API octave_int<T> pow (const octave_int<T>&, const octave_int<T>&); \
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613 template OCTAVE_API octave_int<T> pow (const double&, const octave_int<T>&); \
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614 template OCTAVE_API octave_int<T> pow (const octave_int<T>&, const double&); \
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diff changeset
615 template OCTAVE_API octave_int<T> pow (const float&, const octave_int<T>&); \
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diff changeset
616 template OCTAVE_API octave_int<T> pow (const octave_int<T>&, const float&); \
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diff changeset
617 template OCTAVE_API octave_int<T> powf (const float&, const octave_int<T>&); \
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diff changeset
618 template OCTAVE_API octave_int<T> powf (const octave_int<T>&, const float&); \
6108
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diff changeset
619 template OCTAVE_API octave_int<T> \
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diff changeset
620 bitshift (const octave_int<T>&, int, const octave_int<T>&); \
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diff changeset
621
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diff changeset
622 INSTANTIATE_INTTYPE (int8_t);
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diff changeset
623 INSTANTIATE_INTTYPE (int16_t);
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diff changeset
624 INSTANTIATE_INTTYPE (int32_t);
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diff changeset
625 INSTANTIATE_INTTYPE (int64_t);
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diff changeset
626
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diff changeset
627 INSTANTIATE_INTTYPE (uint8_t);
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diff changeset
628 INSTANTIATE_INTTYPE (uint16_t);
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diff changeset
629 INSTANTIATE_INTTYPE (uint32_t);
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diff changeset
630 INSTANTIATE_INTTYPE (uint64_t);
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631
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diff changeset
632
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diff changeset
633 /*
9a0a66f650b1 tests for int64 arithmetics
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parents: 8185
diff changeset
634
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diff changeset
635 %!assert (intmax ("int64") / intmin ("int64"), int64 (-1))
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parents: 14138
diff changeset
636 %!assert (intmin ("int64") / int64 (-1), intmax ("int64"))
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parents: 14138
diff changeset
637 %!assert (int64 (2**63), intmax ("int64"))
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parents: 14138
diff changeset
638 %!assert (uint64 (2**64), intmax ("uint64"))
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diff changeset
639 %!test
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diff changeset
640 %! a = 1.9*2^61; b = uint64 (a); b++; assert (b > a);
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diff changeset
641 %!test
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diff changeset
642 %! a = -1.9*2^61; b = int64 (a); b++; assert (b > a);
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diff changeset
643 %!test
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diff changeset
644 %! a = int64 (-2**60) + 2; assert (1.25*a == (5*a)/4);
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645 %!test
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646 %! a = uint64 (2**61) + 2; assert (1.25*a == (5*a)/4);
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diff changeset
647 %!assert (int32 (2**31+0.5), intmax ("int32"))
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diff changeset
648 %!assert (int32 (-2**31-0.5), intmin ("int32"))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
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diff changeset
649 %!assert ((int64 (2**62)+1)**1, int64 (2**62)+1)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
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diff changeset
650 %!assert ((int64 (2**30)+1)**2, int64 (2**60+2**31) + 1)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
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parents: 14138
diff changeset
651
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diff changeset
652 */