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author | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-06-04 18:31:57 +0000 |
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committer | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-06-04 18:31:57 +0000 |
commit | 09e967c2d732783b2579e4e120cd9b608404cb00 (patch) | |
tree | 8d2783a6a7e33608c6012efd6a88b8f5694df81d /mdk-stage1/dietlibc/lib/__isnan.c | |
parent | 18fcff49d3c836697d3b75a3d01d31c700e69974 (diff) | |
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Merge from R9_0-AMD64, most notably:
- AMD64 support to insmod-busybox, minilibc, et al.
- Sync with insmod-modutils 2.4.19 something but everyone should use
dietlibc nowadays
- Factor out compilation and prefix with $(DIET) for dietlibc builds
- 64-bit & varargs fixes
Diffstat (limited to 'mdk-stage1/dietlibc/lib/__isnan.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/__isnan.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mdk-stage1/dietlibc/lib/__isnan.c b/mdk-stage1/dietlibc/lib/__isnan.c index 9d21e9824..de74b8a9f 100644 --- a/mdk-stage1/dietlibc/lib/__isnan.c +++ b/mdk-stage1/dietlibc/lib/__isnan.c @@ -1,9 +1,10 @@ -#include <stdio.h> +#include <math.h> -int __isnan(double d) { +int isnan(double d) { unsigned long long *x=(unsigned long long *)&d; - return (*x==0x7FF8002000000000ll || *x==0x7FF0002000000000); + return (*x==0x7FF8000000000000ll || *x==0x7FF0000000000000 || *x==0xfff8000000000000); } +int __isnan(double d) __attribute__((alias("isnan"))); #if 0 TestFromIeeeExtended("7FFF0000000000000000"); /* +infinity */ |