diff options
| -rw-r--r-- | autoconf/m4/func_isinf.m4 | 24 | ||||
| -rw-r--r-- | autoconf/m4/func_isnan.m4 | 18 | ||||
| -rw-r--r-- | autoconf/m4/single_cxx_check.m4 | 34 |
3 files changed, 42 insertions, 34 deletions
diff --git a/autoconf/m4/func_isinf.m4 b/autoconf/m4/func_isinf.m4 new file mode 100644 index 0000000000..dc0c22e925 --- /dev/null +++ b/autoconf/m4/func_isinf.m4 @@ -0,0 +1,24 @@ +# +# This function determins if the the isinf function isavailable on this +# platform. +# +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);}]) +AC_SINGLE_CXX_CHECK([HAVE_FINITE_IN_IEEEFP_H], [ac_cv_func_finite_in_ieeefp_h], + [finite], [<ieeefp.h>], + [#include <ieeefp.h> + int foo(float f) {return finite(f);}]) +]) + + diff --git a/autoconf/m4/func_isnan.m4 b/autoconf/m4/func_isnan.m4 new file mode 100644 index 0000000000..8e626fe15b --- /dev/null +++ b/autoconf/m4/func_isnan.m4 @@ -0,0 +1,18 @@ +# +# This function determines if the isnan function is available on this +# platform. +# +AC_DEFUN([AC_FUNC_ISNAN],[ +AC_SINGLE_CXX_CHECK([HAVE_ISNAN_IN_MATH_H], [ac_cv_func_isnan_in_math_h], + [isnan], [<math.h>], + [#include <math.h> + int foo(float f) {return isnan(f);}]) +AC_SINGLE_CXX_CHECK([HAVE_ISNAN_IN_CMATH], [ac_cv_func_isnan_in_cmath], + [isnan], [<cmath>], + [#include <cmath> + int foo(float f) {return isnan(f);}]) +AC_SINGLE_CXX_CHECK([HAVE_STD_ISNAN_IN_CMATH], [ac_cv_func_std_isnan_in_cmath], + [std::isnan], [<cmath>], + [#include <cmath> + using std::isnan; int foo(float f) {return isnan(f);}]) +]) diff --git a/autoconf/m4/single_cxx_check.m4 b/autoconf/m4/single_cxx_check.m4 index c5e4b199c6..77ebf38657 100644 --- a/autoconf/m4/single_cxx_check.m4 +++ b/autoconf/m4/single_cxx_check.m4 @@ -12,37 +12,3 @@ AC_DEFUN([AC_SINGLE_CXX_CHECK], header file.]) fi]) -AC_DEFUN([AC_FUNC_ISNAN],[ -AC_SINGLE_CXX_CHECK([HAVE_ISNAN_IN_MATH_H], [ac_cv_func_isnan_in_math_h], - [isnan], [<math.h>], - [#include <math.h> - int foo(float f) {return isnan(f);}]) -AC_SINGLE_CXX_CHECK([HAVE_ISNAN_IN_CMATH], [ac_cv_func_isnan_in_cmath], - [isnan], [<cmath>], - [#include <cmath> - int foo(float f) {return isnan(f);}]) -AC_SINGLE_CXX_CHECK([HAVE_STD_ISNAN_IN_CMATH], [ac_cv_func_std_isnan_in_cmath], - [std::isnan], [<cmath>], - [#include <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);}]) -AC_SINGLE_CXX_CHECK([HAVE_FINITE_IN_IEEEFP_H], [ac_cv_func_finite_in_ieeefp_h], - [finite], [<ieeefp.h>], - [#include <ieeefp.h> - int foo(float f) {return finite(f);}]) -]) - |