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s_sinf.c (152869) s_sinf.c (152871)
1/* s_sinf.c -- float version of s_sin.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
1/* s_sinf.c -- float version of s_sin.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_sinf.c 152869 2005-11-28 04:58:57Z bde $";
18static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_sinf.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"

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

40 GET_FLOAT_WORD(hx,x);
41 ix = hx & 0x7fffffff;
42
43 if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */
44 if(ix<0x39800000) /* |x| < 2**-12 */
45 if(((int)x)==0) return x; /* x with inexact if x != 0 */
46 return __kernel_sindf(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 GET_FLOAT_WORD(hx,x);
42 ix = hx & 0x7fffffff;
43
44 if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */
45 if(ix<0x39800000) /* |x| < 2**-12 */
46 if(((int)x)==0) return x; /* x with inexact if x != 0 */
47 return __kernel_sindf(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 if(hx>0)
51 return __kernel_cosdf(x - s1pio2);
52 else
53 return -__kernel_cosdf(x + s1pio2);
54 } else
55 return -__kernel_sindf(x + (hx > 0 ? -s2pio2 : s2pio2));
56 }
51 if(hx>0)
52 return __kernel_cosdf(x - s1pio2);
53 else
54 return -__kernel_cosdf(x + s1pio2);
55 } else
56 return -__kernel_sindf(x + (hx > 0 ? -s2pio2 : s2pio2));
57 }
57 if(ix<=0x40e231d5) { /* |x| <= ~9*pi/4 */
58 if(ix<=0x40afeddf) { /* |x| <= ~7*pi/4 */
58 if(ix<=0x40e231d5) { /* |x| ~<= 9*pi/4 */
59 if(ix<=0x40afeddf) { /* |x| ~<= 7*pi/4 */
59 if(hx>0)
60 return -__kernel_cosdf(x - s3pio2);
61 else
62 return __kernel_cosdf(x + s3pio2);
63 } else
64 return __kernel_sindf(x + (hx > 0 ? -s4pio2 : s4pio2));
65 }
66

--- 15 unchanged lines hidden --- 		60 if(hx>0)
61 return -__kernel_cosdf(x - s3pio2);
62 else
63 return __kernel_cosdf(x + s3pio2);
64 } else
65 return __kernel_sindf(x + (hx > 0 ? -s4pio2 : s4pio2));
66 }
67

--- 15 unchanged lines hidden ---