Lines Matching refs:isnan
2 # This function determines if the isnan function is available on this
7 [isnan], [<math.h>],
8 [float f; isnan(f);])
11 AC_DEFINE([HAVE_ISNAN_IN_MATH_H],1,[Set to 1 if the isnan function is found in <math.h>])
15 [isnan], [<cmath>],
16 [float f; isnan(f);])
18 AC_DEFINE([HAVE_ISNAN_IN_CMATH],1,[Set to 1 if the isnan function is found in <cmath>])
22 [std::isnan], [<cmath>],
23 [float f; std::isnan(f);])
25 AC_DEFINE([HAVE_STD_ISNAN_IN_CMATH],1,[Set to 1 if the std::isnan function is found in <cmath>])