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ruby--ruby/missing/isnan.c
matz e91e9e7bbf * eval.c (rb_with_disable_interrupt): prohibit thread context
switch during proc execution.  [ruby-dev:21899]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5232 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-12-20 15:45:15 +00:00

17 lines
199 B
C

/* public domain rewrite of isnan(3) */
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;
}