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author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | 8771baa10b2dc5bbedb08231d99c72cfd6abcb5b (patch) | |
tree | 87dbea36a0e5ed0f2f8e2a499b9c1014af6a38b5 /s_finite.c | |
download | fdlibm-8771baa10b2dc5bbedb08231d99c72cfd6abcb5b.tar.gz |
Initial Contributionandroid-1.0release-1.0cdma-import
Diffstat (limited to 's_finite.c')
-rw-r--r-- | s_finite.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/s_finite.c b/s_finite.c new file mode 100644 index 0000000..41a4b17 --- /dev/null +++ b/s_finite.c @@ -0,0 +1,31 @@ + +/* @(#)s_finite.c 1.3 95/01/18 */ +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunSoft, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +/* + * ieee_finite(x) returns 1 is x is finite, else 0; + * no branching! + */ + +#include "fdlibm.h" + +#ifdef __STDC__ + int ieee_finite(double x) +#else + int ieee_finite(x) + double x; +#endif +{ + int hx; + hx = __HI(x); + return (unsigned)((hx&0x7fffffff)-0x7ff00000)>>31; +} |