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author | Danny Smith <dannysmith@users.sourceforge.net> | 2002-07-29 03:00:10 +0000 |
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committer | Danny Smith <dannysmith@users.sourceforge.net> | 2002-07-29 03:00:10 +0000 |
commit | b8cdc234c67d883b7e9d6e4caf4ba15972ac7788 (patch) | |
tree | e45d96d2d976020ad018e6e919bbeae2500e884a /winsup/mingw/mingwex/math/fpclassifyf.c | |
parent | 840e611264ac6ad7d41bc0b275945f50067cda50 (diff) | |
download | cygnal-b8cdc234c67d883b7e9d6e4caf4ba15972ac7788.tar.gz cygnal-b8cdc234c67d883b7e9d6e4caf4ba15972ac7788.tar.bz2 cygnal-b8cdc234c67d883b7e9d6e4caf4ba15972ac7788.zip |
Add incomplet long double math support to libmingwex.a
Diffstat (limited to 'winsup/mingw/mingwex/math/fpclassifyf.c')
-rw-r--r-- | winsup/mingw/mingwex/math/fpclassifyf.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/winsup/mingw/mingwex/math/fpclassifyf.c b/winsup/mingw/mingwex/math/fpclassifyf.c new file mode 100644 index 000000000..aca4e59f1 --- /dev/null +++ b/winsup/mingw/mingwex/math/fpclassifyf.c @@ -0,0 +1,10 @@ +#include <math.h> +int __fpclassifyf (float _x){ + unsigned short sw; + __asm__ ( + "fxam; fstsw %%ax;" + : "=a" (sw) + : "t" (_x) + ); + return sw & (FP_NAN | FP_NORMAL | FP_ZERO ); +} |