diff options
| author | Guillaume Cottenceau <gc@mandriva.com> | 2001-05-14 14:19:32 +0000 |
|---|---|---|
| committer | Guillaume Cottenceau <gc@mandriva.com> | 2001-05-14 14:19:32 +0000 |
| commit | 167217bec15c9c7aa70ba2a3dc9c689b3cd91872 (patch) | |
| tree | 7c0c62debf8f9f145643102fb52b81afce743594 /mdk-stage1/dietlibc/lib/__isnan.c | |
| parent | 9097327dc1c667fc51b8e05cc7c0626fac96665d (diff) | |
| download | drakx-167217bec15c9c7aa70ba2a3dc9c689b3cd91872.tar drakx-167217bec15c9c7aa70ba2a3dc9c689b3cd91872.tar.gz drakx-167217bec15c9c7aa70ba2a3dc9c689b3cd91872.tar.bz2 drakx-167217bec15c9c7aa70ba2a3dc9c689b3cd91872.tar.xz drakx-167217bec15c9c7aa70ba2a3dc9c689b3cd91872.zip | |
import new version of dietlibc
Diffstat (limited to 'mdk-stage1/dietlibc/lib/__isnan.c')
| -rw-r--r-- | mdk-stage1/dietlibc/lib/__isnan.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/__isnan.c b/mdk-stage1/dietlibc/lib/__isnan.c new file mode 100644 index 000000000..9d21e9824 --- /dev/null +++ b/mdk-stage1/dietlibc/lib/__isnan.c @@ -0,0 +1,14 @@ +#include <stdio.h> + +int __isnan(double d) { + unsigned long long *x=(unsigned long long *)&d; + return (*x==0x7FF8002000000000ll || *x==0x7FF0002000000000); +} + +#if 0 +TestFromIeeeExtended("7FFF0000000000000000"); /* +infinity */ +TestFromIeeeExtended("FFFF0000000000000000"); /* -infinity */ +TestFromIeeeExtended("7FFF8001000000000000"); /* Quiet NaN(1) */ +TestFromIeeeExtended("7FFF0001000000000000"); /* Signalling NaN(1) */ +TestFromIeeeExtended("3FFFFEDCBA9876543210"); /* accuracy test */ +#endif |