mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
870fbf44d5
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@28771 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
19 lines
221 B
C
19 lines
221 B
C
/* public domain rewrite of isnan(3) */
|
|
|
|
#include "missing.h"
|
|
|
|
static int double_ne();
|
|
|
|
int
|
|
isnan(n)
|
|
double n;
|
|
{
|
|
return double_ne(n, n);
|
|
}
|
|
|
|
static int
|
|
double_ne(n1, n2)
|
|
double n1, n2;
|
|
{
|
|
return n1 != n2;
|
|
}
|