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s_cosf.c (152869) s_cosf.c (152871)
1/* s_cosf.c -- float version of s_cos.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
1/* s_cosf.c -- float version of s_cos.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 * Optimized by Bruce D. Evans.
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
4 */
5
6/*
7 * ====================================================
8 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
9 *
10 * Developed at SunPro, a Sun Microsystems, Inc. business.
11 * Permission to use, copy, modify, and distribute this
12 * software is freely granted, provided that this notice
13 * is preserved.
14 * ====================================================
15 */
16
17#ifndef lint
17static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_cosf.c 152869 2005-11-28 04:58:57Z bde $";
18static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_cosf.c 152871 2005-11-28 05:46:13Z bde $";
18#endif
19
20#include "math.h"
21#define INLINE_KERNEL_COSDF
22#define INLINE_KERNEL_SINDF
23#include "math_private.h"
24#include "k_cosf.c"
25#include "k_sinf.c"

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40 x = fabsf(x);
41 GET_FLOAT_WORD(ix,x);
42
43 if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */
44 if(ix<0x39800000) /* |x| < 2**-12 */
45 if(((int)x)==0) return 1.0; /* 1 with inexact if x != 0 */
46 return __kernel_cosdf(x);
47 }
19#endif
20
21#include "math.h"
22#define INLINE_KERNEL_COSDF
23#define INLINE_KERNEL_SINDF
24#include "math_private.h"
25#include "k_cosf.c"
26#include "k_sinf.c"

--- 14 unchanged lines hidden (view full) ---

41 x = fabsf(x);
42 GET_FLOAT_WORD(ix,x);
43
44 if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */
45 if(ix<0x39800000) /* |x| < 2**-12 */
46 if(((int)x)==0) return 1.0; /* 1 with inexact if x != 0 */
47 return __kernel_cosdf(x);
48 }
48 if(ix<=0x407b53d1) { /* |x| <= ~5*pi/4 */
49 if(ix<=0x4016cbe3) /* |x| <= ~3pi/4 */
49 if(ix<=0x407b53d1) { /* |x| ~<= 5*pi/4 */
50 if(ix<=0x4016cbe3) /* |x| ~<= 3pi/4 */
50 return -__kernel_sindf(x - c1pio2);
51 else
52 return -__kernel_cosdf(x - c2pio2);
53 }
51 return -__kernel_sindf(x - c1pio2);
52 else
53 return -__kernel_cosdf(x - c2pio2);
54 }
54 if(ix<=0x40e231d5) { /* |x| <= ~9*pi/4 */
55 if(ix<=0x40afeddf) /* |x| <= ~7*pi/4 */
55 if(ix<=0x40e231d5) { /* |x| ~<= 9*pi/4 */
56 if(ix<=0x40afeddf) /* |x| ~<= 7*pi/4 */
56 return __kernel_sindf(x - c3pio2);
57 else
58 return __kernel_cosdf(x - c4pio2);
59 }
60
61 /* cos(Inf or NaN) is NaN */
62 else if (ix>=0x7f800000) return x-x;
63

--- 12 unchanged lines hidden --- 		57 return __kernel_sindf(x - c3pio2);
58 else
59 return __kernel_cosdf(x - c4pio2);
60 }
61
62 /* cos(Inf or NaN) is NaN */
63 else if (ix>=0x7f800000) return x-x;
64

--- 12 unchanged lines hidden ---