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view m4/fabsf.m4 @ 15857:6b8400199763
New module 'sqrtf'.
* lib/math.in.h (sqrtf): New declaration.
* lib/sqrtf.c: New file.
* m4/sqrtf.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether sqrtf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_SQRTF, HAVE_SQRTF.
* modules/math (Makefile.am): Substitute GNULIB_SQRTF, HAVE_SQRTF.
* modules/sqrtf: New file.
* tests/test-math-c++.cc: Check the declaration of sqrtf.
* doc/posix-functions/sqrtf.texi: Mention the new module.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sat, 08 Oct 2011 21:16:48 +0200 |
| parents | 5a6c8b0dc836 |
| children | 8250f2777afc |
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# fabsf.m4 serial 2 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_FABSF], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) AC_REQUIRE([gl_FUNC_FABS]) dnl Test whether fabsf() exists. We cannot assume that fabsf(), if it dnl exists, is defined in the same library as fabs(). This is not the case dnl on FreeBSD, NetBSD, OpenBSD. gl_MATHFUNC([fabsf], [float], [(float)]) if test $gl_cv_func_fabsf_no_libm = no \ && test $gl_cv_func_fabsf_in_libm = no; then HAVE_FABSF=0 FABSF_LIBM="$FABS_LIBM" fi AC_SUBST([FABSF_LIBM]) ])