Ruby  2.5.0dev(2017-10-22revision60238)
finite.c
Go to the documentation of this file.
1 /* public domain rewrite of finite(3) */
2 
3 #include "ruby/missing.h"
4 
5 int
6 finite(double n)
7 {
8  return !isnan(n) && !isinf(n);
9 }
int finite(double n)
Definition: finite.c:6
RUBY_EXTERN int isinf(double)
Definition: isinf.c:56
#define isnan(x)
Definition: win32.h:346