diff autoconf/m4/func_isinf.m4 @ 3:9ad51c7bc036

1st commit. remove git dir and add all files.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 May 2013 06:43:32 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/autoconf/m4/func_isinf.m4	Wed May 15 06:43:32 2013 +0900
@@ -0,0 +1,42 @@
+dnl
+dnl This function determins if the isinf function isavailable on this
+dnl platform.
+dnl
+
+AC_DEFUN([AC_FUNC_ISINF],[
+
+AC_SINGLE_CXX_CHECK([ac_cv_func_isinf_in_math_h],   
+                    [isinf], [<math.h>],
+                    [float f; isinf(f);])
+if test "$ac_cv_func_isinf_in_math_h" = "yes" ; then 
+  AC_DEFINE([HAVE_ISINF_IN_MATH_H], [1],
+            [Set to 1 if the isinf function is found in <math.h>])
+fi
+
+AC_SINGLE_CXX_CHECK([ac_cv_func_isinf_in_cmath],    
+                    [isinf], [<cmath>],
+                    [float f; isinf(f);])
+if test "$ac_cv_func_isinf_in_cmath" = "yes" ; then
+  AC_DEFINE([HAVE_ISINF_IN_CMATH], [1],
+            [Set to 1 if the isinf function is found in <cmath>])
+fi
+
+AC_SINGLE_CXX_CHECK([ac_cv_func_std_isinf_in_cmath],
+                    [std::isinf], [<cmath>],
+                    [float f; std::isinf(f);])
+if test "$ac_cv_func_std_isinf_in_cmath" = "yes" ; then 
+  AC_DEFINE([HAVE_STD_ISINF_IN_CMATH], [1],
+            [Set to 1 if the std::isinf function is found in <cmath>])
+fi
+
+AC_SINGLE_CXX_CHECK([ac_cv_func_finite_in_ieeefp_h],
+                    [finite], [<ieeefp.h>],
+                    [float f; finite(f);])
+if test "$ac_cv_func_finite_in_ieeefp_h" = "yes" ; then
+  AC_DEFINE([HAVE_FINITE_IN_IEEEFP_H], [1],
+            [Set to 1 if the finite function is found in <ieeefp.h>])
+fi
+
+])
+
+