e_powf.c (7e546392b5fe3a496acff53ac7aadd1c57b2a4cf) e_powf.c (9faa8dc6cc23363b3d8897598cff7d3a40045a46)
1/* e_powf.c -- float version of e_pow.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16#ifndef lint
1/* e_powf.c -- float version of e_pow.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16#ifndef lint
17static char rcsid[] = "$Id$";
17static char rcsid[] = "$Id: e_powf.c,v 1.4 1997/02/22 15:10:30 peter Exp $";
18#endif
19
20#include "math.h"
21#include "math_private.h"
22
23#ifdef __STDC__
24static const float
25#else

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106 return (hy<0)?-y: zero;
107 }
108 if(iy==0x3f800000) { /* y is +-1 */
109 if(hy<0) return one/x; else return x;
110 }
111 if(hy==0x40000000) return x*x; /* y is 2 */
112 if(hy==0x3f000000) { /* y is 0.5 */
113 if(hx>=0) /* x >= +0 */
18#endif
19
20#include "math.h"
21#include "math_private.h"
22
23#ifdef __STDC__
24static const float
25#else

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106 return (hy<0)?-y: zero;
107 }
108 if(iy==0x3f800000) { /* y is +-1 */
109 if(hy<0) return one/x; else return x;
110 }
111 if(hy==0x40000000) return x*x; /* y is 2 */
112 if(hy==0x3f000000) { /* y is 0.5 */
113 if(hx>=0) /* x >= +0 */
114 return sqrtf(x);
114 return __ieee754_sqrtf(x);
115 }
116
117 ax = fabsf(x);
118 /* special value of x */
119 if(ix==0x7f800000||ix==0||ix==0x3f800000){
120 z = ax; /*x is +-0,+-inf,+-1*/
121 if(hy<0) z = one/z; /* z = (1/|x|) */
122 if(hx<0) {

--- 131 unchanged lines hidden --- 		115 }
116
117 ax = fabsf(x);
118 /* special value of x */
119 if(ix==0x7f800000||ix==0||ix==0x3f800000){
120 z = ax; /*x is +-0,+-inf,+-1*/
121 if(hy<0) z = one/z; /* z = (1/|x|) */
122 if(hx<0) {

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