File: copysign.m4

package info (click to toggle)
guile-2.0 2.0.13%2B1-5.1
  • links: PTS
  • area: main
  • in suites: buster
  • size: 27,104 kB
  • sloc: ansic: 133,697; lisp: 67,499; sh: 4,762; makefile: 2,031; perl: 243; awk: 37
file content (19 lines) | stat: -rw-r--r-- 605 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# copysign.m4 serial 1
dnl Copyright (C) 2011-2016 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])
])