| e_rem_pio2f.c (176558) | e_rem_pio2f.c (176569) |
|---|---|
| 1/* e_rem_pio2f.c -- float version of e_rem_pio2.c 2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. 3 * Debugged and optimized by Bruce D. Evans. 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#include <sys/cdefs.h> | 1/* e_rem_pio2f.c -- float version of e_rem_pio2.c 2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. 3 * Debugged and optimized by Bruce D. Evans. 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#include <sys/cdefs.h> |
| 18__FBSDID("$FreeBSD: head/lib/msun/src/e_rem_pio2f.c 176558 2008-02-25 18:28:58Z bde $"); | 18__FBSDID("$FreeBSD: head/lib/msun/src/e_rem_pio2f.c 176569 2008-02-25 22:19:17Z bde $"); |
| 19 20/* __ieee754_rem_pio2f(x,y) 21 * 22 * return the remainder of x rem pi/2 in *y 23 * use double precision for everything except passing x 24 * use __kernel_rem_pio2() for large x 25 */ 26 --- 9 unchanged lines hidden (view full) --- 36 */ 37 38static const double 39half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */ 40invpio2 = 6.36619772367581382433e-01, /* 0x3FE45F30, 0x6DC9C883 */ 41pio2_1 = 1.57079632673412561417e+00, /* 0x3FF921FB, 0x54400000 */ 42pio2_1t = 6.07710050650619224932e-11; /* 0x3DD0B461, 0x1A626331 */ 43 | 19 20/* __ieee754_rem_pio2f(x,y) 21 * 22 * return the remainder of x rem pi/2 in *y 23 * use double precision for everything except passing x 24 * use __kernel_rem_pio2() for large x 25 */ 26 --- 9 unchanged lines hidden (view full) --- 36 */ 37 38static const double 39half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */ 40invpio2 = 6.36619772367581382433e-01, /* 0x3FE45F30, 0x6DC9C883 */ 41pio2_1 = 1.57079632673412561417e+00, /* 0x3FF921FB, 0x54400000 */ 42pio2_1t = 6.07710050650619224932e-11; /* 0x3DD0B461, 0x1A626331 */ 43 |
| 44#ifdef INLINE_REM_PIO2F 45extern inline 46#endif |
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| 44int 45__ieee754_rem_pio2f(float x, double *y) 46{ 47 double w,r,fn; 48 double tx[1],ty[1]; 49 float z; 50 int32_t e0,n,ix,hx; 51 --- 31 unchanged lines hidden --- | 47int 48__ieee754_rem_pio2f(float x, double *y) 49{ 50 double w,r,fn; 51 double tx[1],ty[1]; 52 float z; 53 int32_t e0,n,ix,hx; 54 --- 31 unchanged lines hidden --- |