Mercurial > hg > octave-lyh
view libcruft/amos/cshch.f @ 12118:973f585cfdf2 release-3-2-x
include PTHREAD_CFLAGS in LINK_DEPS for liboctave
author | Jaroslav Hajek <highegg@gmail.com> |
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date | Fri, 22 Jan 2010 10:21:33 +0100 |
parents | 82be108cc558 |
children |
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SUBROUTINE CSHCH(Z, CSH, CCH) C***BEGIN PROLOGUE CSHCH C***REFER TO CBESK,CBESH C C CSHCH COMPUTES THE COMPLEX HYPERBOLIC FUNCTIONS CSH=SINH(X+I*Y) C AND CCH=COSH(X+I*Y), WHERE I**2=-1. C C***ROUTINES CALLED (NONE) C***END PROLOGUE CSHCH COMPLEX CCH, CSH, Z REAL CCHI, CCHR, CH, CN, CSHI, CSHR, SH, SN, X, Y, COSH, SINH X = REAL(Z) Y = AIMAG(Z) SH = SINH(X) CH = COSH(X) SN = SIN(Y) CN = COS(Y) CSHR = SH*CN CSHI = CH*SN CSH = CMPLX(CSHR,CSHI) CCHR = CH*CN CCHI = SH*SN CCH = CMPLX(CCHR,CCHI) RETURN END