diff options
Diffstat (limited to 'lib/libc/softfloat/unorddf2.c')
-rw-r--r-- | lib/libc/softfloat/unorddf2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/libc/softfloat/unorddf2.c b/lib/libc/softfloat/unorddf2.c new file mode 100644 index 0000000..2986c82 --- /dev/null +++ b/lib/libc/softfloat/unorddf2.c @@ -0,0 +1,26 @@ +/* $NetBSD: unorddf2.c,v 1.1 2003/05/06 08:58:19 rearnsha Exp $ */ + +/* + * Written by Richard Earnshaw, 2003. This file is in the Public Domain. + */ + +#include "softfloat-for-gcc.h" +#include "milieu.h" +#include "softfloat.h" + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +flag __unorddf2(float64, float64); + +flag +__unorddf2(float64 a, float64 b) +{ + /* + * The comparison is unordered if either input is a NaN. + * Test for this by comparing each operand with itself. + * We must perform both comparisons to correctly check for + * signalling NaNs. + */ + return 1 ^ (float64_eq(a, a) & float64_eq(b, b)); +} |