1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/missing/isnan.c
matz a36e0c78c9 * parse.y (primary): rescue and ensure clauses should be allowed
to appear in singleton method body.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2001-03-06 08:17:54 +00:00

31 lines
291 B
C

/* public domain rewrite of isnan(3) */
#ifdef _MSC_VER
#include <float.h>
int
isnan(n)
double n;
{
return _isnan(n);
}
#else
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;
}
#endif