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| author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:23 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:23 -0800 |
| commit | f177c949113889342d74aee8011a86bd4f589841 (patch) | |
| tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /s_logb.c | |
| parent | 74aa530c6ca9c2f10a0e3635b4211f1438b972b2 (diff) | |
| download | fdlibm-f177c949113889342d74aee8011a86bd4f589841.tar.gz | |
auto import from //depot/cupcake/@135843
Diffstat (limited to 's_logb.c')
| -rw-r--r-- | s_logb.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/s_logb.c b/s_logb.c deleted file mode 100644 index a9b1bb8..0000000 --- a/s_logb.c +++ /dev/null @@ -1,38 +0,0 @@ - -/* @(#)s_logb.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. - * ==================================================== - */ - -/* - * double ieee_logb(x) - * IEEE 754 logb. Included to pass IEEE test suite. Not recommend. - * Use ilogb instead. - */ - -#include "fdlibm.h" - -#ifdef __STDC__ - double ieee_logb(double x) -#else - double ieee_logb(x) - double x; -#endif -{ - int lx,ix; - ix = (__HI(x))&0x7fffffff; /* high |x| */ - lx = __LO(x); /* low x */ - if((ix|lx)==0) return -1.0/ieee_fabs(x); - if(ix>=0x7ff00000) return x*x; - if((ix>>=20)==0) /* IEEE 754 logb */ - return -1022.0; - else - return (double) (ix-1023); -} |