LIBS_SAVE=$LIBS
LIBS="$LIBS $LIBM"
-AC_CHECK_FUNCS(rint sinh cosh asinh)
+AC_CHECK_FUNCS(rint sinh cosh asinh fpclass)
LIBS=$LIBS_SAVE
+dnl Check whether isinf() is defined by math.h
+AC_CACHE_CHECK([for isinf], ac_cv_have_isinf,
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; int i=isinf(f)]])],[ac_cv_have_isinf="yes"],[ac_cv_have_isinf="no"]))
+if test "$ac_cv_have_isinf" = "yes"
+then
+ AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have the `isinf' function.])
+fi
+
dnl Check for mmap (needed by electricfence plugin)
AC_FUNC_MMAP
AM_CONDITIONAL(GST_HAVE_MMAP, test "x$ac_cv_func_mmap_fixed_mapped" == "xyes")
value = gst_value_list_get_value (list, 0);
dB = g_value_get_double (value);
GST_DEBUG ("%s[0] is %lf", fields[j], dB);
- fail_if (!isinf (dB));
+#ifdef HAVE_ISINF
+ fail_unless (isinf (dB));
+#elif HAVE_FPCLASS
+ fail_unless (fpclass (dB) == FP_NINF);
+#endif
}
/* block wave of half amplitude has -5.94 dB for rms, peak and decay */
for (j = 0; j < 3; ++j) {