# HG changeset patch # User Bruno Haible # Date 1318114118 -7200 # Node ID df1794ad8606e3e9d34ba8beee8a64f162a0e1fd # Parent 96861b6ffee8ac92dd7a336fd573b17e32256f4a New module 'coshf'. * lib/math.in.h (coshf): New declaration. * lib/coshf.c: New file. * m4/coshf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether coshf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_COSHF, HAVE_COSHF. * modules/math (Makefile.am): Substitute GNULIB_COSHF, HAVE_COSHF. * modules/coshf: New file. * tests/test-math-c++.cc: Check the declaration of coshf. * doc/posix-functions/coshf.texi: Mention the new module. diff --git a/ChangeLog b/ChangeLog --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,16 @@ 2011-10-08 Bruno Haible + New module 'coshf'. + * lib/math.in.h (coshf): New declaration. + * lib/coshf.c: New file. + * m4/coshf.m4: New file. + * m4/math_h.m4 (gl_MATH_H): Test whether coshf is declared. + (gl_MATH_H_DEFAULTS): Initialize GNULIB_COSHF, HAVE_COSHF. + * modules/math (Makefile.am): Substitute GNULIB_COSHF, HAVE_COSHF. + * modules/coshf: New file. + * tests/test-math-c++.cc: Check the declaration of coshf. + * doc/posix-functions/coshf.texi: Mention the new module. + cosh: Use a .m4 file. * m4/cosh.m4: New file. * modules/cosh (Files): Add it. diff --git a/doc/posix-functions/coshf.texi b/doc/posix-functions/coshf.texi --- a/doc/posix-functions/coshf.texi +++ b/doc/posix-functions/coshf.texi @@ -4,14 +4,10 @@ POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/coshf.html} -Gnulib module: --- +Gnulib module: coshf Portability problems fixed by Gnulib: @itemize -@end itemize - -Portability problems not fixed by Gnulib: -@itemize @item This function is missing on some platforms: Minix 3.1.8, AIX 5.1, Solaris 9. @@ -19,3 +15,7 @@ This function is only defined as a macro with arguments on some platforms: MSVC 9. @end itemize + +Portability problems not fixed by Gnulib: +@itemize +@end itemize diff --git a/lib/coshf.c b/lib/coshf.c new file mode 100644 --- /dev/null +++ b/lib/coshf.c @@ -0,0 +1,26 @@ +/* Hyperbolic cosine function. + Copyright (C) 2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#include + +/* Specification. */ +#include + +float +coshf (float x) +{ + return (float) cosh ((double) x); +} diff --git a/lib/math.in.h b/lib/math.in.h --- a/lib/math.in.h +++ b/lib/math.in.h @@ -304,6 +304,22 @@ #endif +#if @GNULIB_COSHF@ +# if !@HAVE_COSHF@ +# undef coshf +_GL_FUNCDECL_SYS (coshf, float, (float x)); +# endif +_GL_CXXALIAS_SYS (coshf, float, (float x)); +_GL_CXXALIASWARN (coshf); +#elif defined GNULIB_POSIXCHECK +# undef coshf +# if HAVE_RAW_DECL_COSHF +_GL_WARN_ON_USE (coshf, "coshf is unportable - " + "use gnulib module coshf for portability"); +# endif +#endif + + #if @GNULIB_EXPF@ # if !@HAVE_EXPF@ # undef expf diff --git a/m4/coshf.m4 b/m4/coshf.m4 new file mode 100644 --- /dev/null +++ b/m4/coshf.m4 @@ -0,0 +1,25 @@ +# coshf.m4 serial 1 +dnl Copyright (C) 2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_COSHF], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_COSH]) + + dnl Test whether coshf() exists. Assume that coshf(), if it exists, is + dnl defined in the same library as cosh(). + save_LIBS="$LIBS" + LIBS="$LIBS $COSH_LIBM" + AC_CHECK_FUNCS([coshf]) + LIBS="$save_LIBS" + if test $ac_cv_func_coshf = yes; then + COSHF_LIBM="$COSH_LIBM" + else + HAVE_COSHF=0 + COSHF_LIBM="$COSH_LIBM" + fi + AC_SUBST([COSHF_LIBM]) +]) diff --git a/m4/math_h.m4 b/m4/math_h.m4 --- a/m4/math_h.m4 +++ b/m4/math_h.m4 @@ -1,4 +1,4 @@ -# math_h.m4 serial 44 +# math_h.m4 serial 45 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -39,7 +39,7 @@ dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[#include ]], - [acosf acosl asinf asinl atanf atanl ceilf ceill cosf cosl + [acosf acosl asinf asinl atanf atanl ceilf ceill cosf cosl coshf expf expl fabsf floorf floorl fmodf frexpf frexpl ldexpf ldexpl logb logf logl log10f modff powf round roundf roundl sinf sinl sinhf sqrtf sqrtl @@ -69,6 +69,7 @@ GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL]) GNULIB_COSF=0; AC_SUBST([GNULIB_COSF]) GNULIB_COSL=0; AC_SUBST([GNULIB_COSL]) + GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF]) GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF]) GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL]) GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF]) @@ -117,6 +118,7 @@ HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F]) HAVE_COSF=1; AC_SUBST([HAVE_COSF]) HAVE_COSL=1; AC_SUBST([HAVE_COSL]) + HAVE_COSHF=1; AC_SUBST([HAVE_COSHF]) HAVE_EXPF=1; AC_SUBST([HAVE_EXPF]) HAVE_EXPL=1; AC_SUBST([HAVE_EXPL]) HAVE_FABSF=1; AC_SUBST([HAVE_FABSF]) diff --git a/modules/coshf b/modules/coshf new file mode 100644 --- /dev/null +++ b/modules/coshf @@ -0,0 +1,31 @@ +Description: +coshf() function: hyperbolic cosine function. + +Files: +lib/coshf.c +m4/coshf.m4 + +Depends-on: +math +cosh [test $HAVE_COSHF = 0] + +configure.ac: +gl_FUNC_COSHF +if test $HAVE_COSHF = 0; then + AC_LIBOBJ([coshf]) +fi +gl_MATH_MODULE_INDICATOR([coshf]) + +Makefile.am: + +Include: + + +Link: +$(COSHF_LIBM) + +License: +LGPL + +Maintainer: +Bruno Haible diff --git a/modules/math b/modules/math --- a/modules/math +++ b/modules/math @@ -40,6 +40,7 @@ -e 's/@''GNULIB_CEILL''@/$(GNULIB_CEILL)/g' \ -e 's/@''GNULIB_COSF''@/$(GNULIB_COSF)/g' \ -e 's/@''GNULIB_COSL''@/$(GNULIB_COSL)/g' \ + -e 's/@''GNULIB_COSHF''@/$(GNULIB_COSHF)/g' \ -e 's/@''GNULIB_EXPF''@/$(GNULIB_EXPF)/g' \ -e 's/@''GNULIB_EXPL''@/$(GNULIB_EXPL)/g' \ -e 's/@''GNULIB_FABSF''@/$(GNULIB_FABSF)/g' \ @@ -88,6 +89,7 @@ -e 's|@''HAVE_ATAN2F''@|$(HAVE_ATAN2F)|g' \ -e 's|@''HAVE_COSF''@|$(HAVE_COSF)|g' \ -e 's|@''HAVE_COSL''@|$(HAVE_COSL)|g' \ + -e 's|@''HAVE_COSHF''@|$(HAVE_COSHF)|g' \ -e 's|@''HAVE_EXPF''@|$(HAVE_EXPF)|g' \ -e 's|@''HAVE_EXPL''@|$(HAVE_EXPL)|g' \ -e 's|@''HAVE_FABSF''@|$(HAVE_FABSF)|g' \ diff --git a/tests/test-math-c++.cc b/tests/test-math-c++.cc --- a/tests/test-math-c++.cc +++ b/tests/test-math-c++.cc @@ -46,6 +46,9 @@ SIGNATURE_CHECK (GNULIB_NAMESPACE::cosf, float, (float)); #endif //SIGNATURE_CHECK (GNULIB_NAMESPACE::cos, double, (double)); +#if GNULIB_TEST_COSHF +SIGNATURE_CHECK (GNULIB_NAMESPACE::coshf, float, (float)); +#endif //SIGNATURE_CHECK (GNULIB_NAMESPACE::cosh, double, (double)); //SIGNATURE_CHECK (GNULIB_NAMESPACE::erf, double, (double)); //SIGNATURE_CHECK (GNULIB_NAMESPACE::erfc, double, (double));