diff options
Diffstat (limited to 'autoconf/acinclude.m4')
| -rw-r--r-- | autoconf/acinclude.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/autoconf/acinclude.m4 b/autoconf/acinclude.m4 index 364ecca..a157839 100644 --- a/autoconf/acinclude.m4 +++ b/autoconf/acinclude.m4 @@ -6282,3 +6282,17 @@ AC_SINGLE_CXX_CHECK([HAVE_STD_ISNAN_IN_CMATH], [ac_cv_func_std_isnan_in_cmath], using std::isnan; int foo(float f) {return isnan(f);}]) ]) +AC_DEFUN([AC_FUNC_ISINF],[ +AC_SINGLE_CXX_CHECK([HAVE_ISINF_IN_MATH_H], [ac_cv_func_isinf_in_math_h], + [isinf], [<math.h>], + [#include <math.h> + int foo(float f) {return isinf(f);}]) +AC_SINGLE_CXX_CHECK([HAVE_ISINF_IN_CMATH], [ac_cv_func_isinf_in_cmath], + [isinf], [<cmath>], + [#include <cmath> + int foo(float f) {return isinf(f);}]) +AC_SINGLE_CXX_CHECK([HAVE_STD_ISINF_IN_CMATH], [ac_cv_func_std_isinf_in_cmath], + [std::isinf], [<cmath>], + [#include <cmath> + using std::isinf; int foo(float f) {return isinf(f);}]) +]) |