diff options
Diffstat (limited to 'libm/src/s_frexpf.c')
| -rw-r--r-- | libm/src/s_frexpf.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/libm/src/s_frexpf.c b/libm/src/s_frexpf.c deleted file mode 100644 index 89d464b..0000000 --- a/libm/src/s_frexpf.c +++ /dev/null @@ -1,44 +0,0 @@ -/* s_frexpf.c -- float version of s_frexp.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ - -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -#ifndef lint -static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_frexpf.c,v 1.8 2002/05/28 18:15:04 alfred Exp $"; -#endif - -#include "math.h" -#include "math_private.h" - -static const float -two25 = 3.3554432000e+07; /* 0x4c000000 */ - -float -frexpf(float x, int *eptr) -{ - int32_t hx,ix; - GET_FLOAT_WORD(hx,x); - ix = 0x7fffffff&hx; - *eptr = 0; - if(ix>=0x7f800000||(ix==0)) return x; /* 0,inf,nan */ - if (ix<0x00800000) { /* subnormal */ - x *= two25; - GET_FLOAT_WORD(hx,x); - ix = hx&0x7fffffff; - *eptr = -25; - } - *eptr += (ix>>23)-126; - hx = (hx&0x807fffff)|0x3f000000; - *(int*)&x = hx; - return x; -} |