Lines Matching defs:Perl_isnan
2678 # ifndef Perl_isnan
2680 # define Perl_isnan(x) isnanl(x)
2682 # define Perl_isnan(x) isnan(x)
2732 # define Perl_isnan(x) isnanq(x)
2778 # ifndef Perl_isnan
2780 # define Perl_isnan(x) isnan(x)
2970 # ifndef Perl_isnan
2971 # define Perl_isnan(x) _isnan(x)
3027 #ifndef Perl_isnan
3029 # define Perl_isnan(x) Perl_fp_class_nan(x)
3031 # define Perl_isnan(x) unordered((x), 0.0)
3033 # define Perl_isnan(x) ((x)!=(x))
3059 # if defined(Perl_isfinite) && defined(Perl_isnan)
3060 # define Perl_isinf(x) (!(Perl_isfinite(x)||Perl_isnan(x)))
3141 =for apidoc_item |IV|Perl_isnan|NV x
8601 * The Perl_isinf() and Perl_isnan() should have been defined even if
8604 #if !defined(Perl_fp_class_denorm) && defined(Perl_isinf) && defined(Perl_isnan) && defined(NV_MIN)
8605 # define Perl_fp_class_denorm(x) ((x) != 0.0 && !Perl_isinf(x) && !Perl_isnan(x) && PERL_ABS(x) < NV_MIN)