diff options
Diffstat (limited to 'trunk/missing/isnan.c')
-rw-r--r-- | trunk/missing/isnan.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/trunk/missing/isnan.c b/trunk/missing/isnan.c new file mode 100644 index 0000000000..a8733978ad --- /dev/null +++ b/trunk/missing/isnan.c @@ -0,0 +1,15 @@ +/* public domain rewrite of isnan(3) */ + +static int double_ne(double n1, double n2); + +int +isnan(double n) +{ + return double_ne(n, n); +} + +static int +double_ne(double n1, double n2) +{ + return n1 != n2; +} |