mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 03:40:34 +02:00
524140436f
* lib/copysign.c: * lib/isfinite.c: * lib/isnanf-nolibm.h: * lib/isnanl-nolibm.h: * lib/signbitd.c: * lib/signbitf.c: * lib/signbitl.c: * m4/copysign.m4: * m4/isfinite.m4: * m4/signbit.m4: New files.
19 lines
605 B
Text
19 lines
605 B
Text
# copysign.m4 serial 1
|
|
dnl Copyright (C) 2011-2013 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_COPYSIGN],
|
|
[
|
|
AC_REQUIRE([gl_MATH_H_DEFAULTS])
|
|
|
|
dnl Determine COPYSIGN_LIBM.
|
|
gl_MATHFUNC([copysign], [double], [(double, double)])
|
|
if test $gl_cv_func_copysign_no_libm = no \
|
|
&& test $gl_cv_func_copysign_in_libm = no; then
|
|
HAVE_COPYSIGN=0
|
|
COPYSIGN_LIBM=
|
|
fi
|
|
AC_SUBST([COPYSIGN_LIBM])
|
|
])
|