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Diffstat (limited to 'newlib/libm/machine/spu/headers/cos_sin.h')
-rw-r--r--newlib/libm/machine/spu/headers/cos_sin.h204
1 files changed, 0 insertions, 204 deletions
diff --git a/newlib/libm/machine/spu/headers/cos_sin.h b/newlib/libm/machine/spu/headers/cos_sin.h
deleted file mode 100644
index f0f6910ce..000000000
--- a/newlib/libm/machine/spu/headers/cos_sin.h
+++ /dev/null
@@ -1,204 +0,0 @@
-/* -------------------------------------------------------------- */
-/* (C)Copyright 2001,2008, */
-/* International Business Machines Corporation, */
-/* Sony Computer Entertainment, Incorporated, */
-/* Toshiba Corporation, */
-/* */
-/* All Rights Reserved. */
-/* */
-/* Redistribution and use in source and binary forms, with or */
-/* without modification, are permitted provided that the */
-/* following conditions are met: */
-/* */
-/* - Redistributions of source code must retain the above copyright*/
-/* notice, this list of conditions and the following disclaimer. */
-/* */
-/* - Redistributions in binary form must reproduce the above */
-/* copyright notice, this list of conditions and the following */
-/* disclaimer in the documentation and/or other materials */
-/* provided with the distribution. */
-/* */
-/* - Neither the name of IBM Corporation nor the names of its */
-/* contributors may be used to endorse or promote products */
-/* derived from this software without specific prior written */
-/* permission. */
-/* */
-/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
-/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */
-/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
-/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
-/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */
-/* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
-/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT */
-/* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
-/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) */
-/* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
-/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR */
-/* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
-/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-/* -------------------------------------------------------------- */
-/* PROLOG END TAG zYx */
-#ifdef __SPU__
-#ifndef _COS_SIN_H_
-#define _COS_SIN_H_ 1
-
-#define M_PI_OVER_4_HI_32 0x3fe921fb
-
-#define M_PI_OVER_4 0.78539816339744827900
-#define M_FOUR_OVER_PI 1.27323954478442180616
-
-#define M_PI_OVER_2 1.57079632679489655800
-#define M_PI_OVER_2_HI 1.57079632673412561417
-#define M_PI_OVER_2_LO 0.0000000000607710050650619224932
-
-#define M_PI_OVER_2F_HI 1.570312500000000000
-#define M_PI_OVER_2F_LO 0.000483826794896558
-
-/* The following coefficients correspond to the Taylor series
- * coefficients for cos and sin.
- */
-#define COS_14 -0.00000000001138218794258068723867
-#define COS_12 0.000000002087614008917893178252
-#define COS_10 -0.0000002755731724204127572108
-#define COS_08 0.00002480158729870839541888
-#define COS_06 -0.001388888888888735934799
-#define COS_04 0.04166666666666666534980
-#define COS_02 -0.5000000000000000000000
-#define COS_00 1.0
-
-#define SIN_15 -0.00000000000076471637318198164759
-#define SIN_13 0.00000000016059043836821614599
-#define SIN_11 -0.000000025052108385441718775
-#define SIN_09 0.0000027557319223985890653
-#define SIN_07 -0.0001984126984126984127
-#define SIN_05 0.008333333333333333333
-#define SIN_03 -0.16666666666666666666
-#define SIN_01 1.0
-
-
-/* Compute the following for each floating point element of x.
- * x = fmod(x, PI/4);
- * ix = (int)x * PI/4;
- * This allows one to compute cos / sin over the limited range
- * and select the sign and correct result based upon the octant
- * of the original angle (as defined by the ix result).
- *
- * Expected Inputs Types:
- * x = vec_float4
- * ix = vec_int4
- */
-#define MOD_PI_OVER_FOUR_F(_x, _ix) { \
- vec_float4 fx; \
- \
- _ix = spu_convts(spu_mul(_x, spu_splats((float)M_FOUR_OVER_PI)), 0); \
- _ix = spu_add(_ix, spu_add(spu_rlmaska((vec_int4)_x, -31), 1)); \
- \
- fx = spu_convtf(spu_rlmaska(_ix, -1), 0); \
- _x = spu_nmsub(fx, spu_splats((float)M_PI_OVER_2F_HI), _x); \
- _x = spu_nmsub(fx, spu_splats((float)M_PI_OVER_2F_LO), _x); \
- }
-
-/* Double precision MOD_PI_OVER_FOUR
- *
- * Expected Inputs Types:
- * x = vec_double2
- * ix = vec_int4
- */
-#define MOD_PI_OVER_FOUR(_x, _ix) { \
- vec_float4 fx; \
- vec_double2 dix; \
- \
- fx = spu_roundtf(spu_mul(_x, spu_splats(M_FOUR_OVER_PI))); \
- _ix = spu_convts(fx, 0); \
- _ix = spu_add(_ix, spu_add(spu_rlmaska((vec_int4)fx, -31), 1)); \
- \
- dix = spu_extend(spu_convtf(spu_rlmaska(_ix, -1), 0)); \
- _x = spu_nmsub(spu_splats(M_PI_OVER_2_HI), dix, _x); \
- _x = spu_nmsub(spu_splats(M_PI_OVER_2_LO), dix, _x); \
- }
-
-
-/* Compute the cos(x) and sin(x) for the range reduced angle x.
- * In order to compute these trig functions to full single precision
- * accuracy, we solve the Taylor series.
- *
- * c = cos(x) = 1 - x^2/2! + x^4/4! - x^6/6! + x^8/8! - x^10/10!
- * s = sin(x) = x - x^3/4! + x^5/5! - x^7/7! + x^9/9! - x^11/11!
- *
- * Expected Inputs Types:
- * x = vec_float4
- * c = vec_float4
- * s = vec_float4
- */
-
-#define COMPUTE_COS_SIN_F(_x, _c, _s) { \
- vec_float4 x2, x4, x6; \
- vec_float4 cos_hi, cos_lo; \
- vec_float4 sin_hi, sin_lo; \
- \
- x2 = spu_mul(_x, _x); \
- x4 = spu_mul(x2, x2); \
- x6 = spu_mul(x2, x4); \
- \
- cos_hi = spu_madd(spu_splats((float)COS_10), x2, spu_splats((float)COS_08)); \
- cos_lo = spu_madd(spu_splats((float)COS_04), x2, spu_splats((float)COS_02)); \
- cos_hi = spu_madd(cos_hi, x2, spu_splats((float)COS_06)); \
- cos_lo = spu_madd(cos_lo, x2, spu_splats((float)COS_00)); \
- _c = spu_madd(cos_hi, x6, cos_lo); \
- \
- sin_hi = spu_madd(spu_splats((float)SIN_11), x2, spu_splats((float)SIN_09)); \
- sin_lo = spu_madd(spu_splats((float)SIN_05), x2, spu_splats((float)SIN_03)); \
- sin_hi = spu_madd(sin_hi, x2, spu_splats((float)SIN_07)); \
- sin_lo = spu_madd(sin_lo, x2, spu_splats((float)SIN_01)); \
- _s = spu_madd(sin_hi, x6, sin_lo); \
- _s = spu_mul(_s, _x); \
- }
-
-
-/* Compute the cos(x) and sin(x) for the range reduced angle x.
- * This version computes the cosine and sine to double precision
- * accuracy using the Taylor series:
- *
- * c = cos(x) = 1 - x^2/2! + x^4/4! - x^6/6! + x^8/8! - x^10/10! + x^12/12! - x^14/14!
- * s = sin(x) = x - x^3/4! + x^5/5! - x^7/7! + x^9/9! - x^11/11! + x^13/13! - x^15/15!
- *
- * Expected Inputs Types:
- * x = vec_double2
- * c = vec_double2
- * s = vec_double2
- */
-
-#define COMPUTE_COS_SIN(_x, _c, _s) { \
- vec_double2 x2, x4, x8; \
- vec_double2 cos_hi, cos_lo; \
- vec_double2 sin_hi, sin_lo; \
- \
- x2 = spu_mul(_x, _x); \
- x4 = spu_mul(x2, x2); \
- x8 = spu_mul(x4, x4); \
- \
- cos_hi = spu_madd(spu_splats(COS_14), x2, spu_splats(COS_12)); \
- cos_lo = spu_madd(spu_splats(COS_06), x2, spu_splats(COS_04)); \
- cos_hi = spu_madd(cos_hi, x2, spu_splats(COS_10)); \
- cos_lo = spu_madd(cos_lo, x2, spu_splats(COS_02)); \
- cos_hi = spu_madd(cos_hi, x2, spu_splats(COS_08)); \
- cos_lo = spu_madd(cos_lo, x2, spu_splats(COS_00)); \
- _c = spu_madd(cos_hi, x8, cos_lo); \
- \
- sin_hi = spu_madd(spu_splats(SIN_15), x2, spu_splats(SIN_13)); \
- sin_lo = spu_madd(spu_splats(SIN_07), x2, spu_splats(SIN_05)); \
- sin_hi = spu_madd(sin_hi, x2, spu_splats(SIN_11)); \
- sin_lo = spu_madd(sin_lo, x2, spu_splats(SIN_03)); \
- sin_hi = spu_madd(sin_hi, x2, spu_splats(SIN_09)); \
- sin_lo = spu_madd(sin_lo, x2, spu_splats(SIN_01)); \
- _s = spu_madd(sin_hi, x8, sin_lo); \
- _s = spu_mul(_s, _x); \
- }
-
-
-
-
-#endif /* _COS_SIN_H_ */
-#endif /* __SPU__ */
-
-