diff options
author | Jeff Johnston <jjohnstn@redhat.com> | 2007-09-28 18:44:24 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2007-09-28 18:44:24 +0000 |
commit | e30a7b84aa1527df63f20fe0cb3605afab652d94 (patch) | |
tree | 62f7953f44d2d88dcb25b69693882e4e77a200b9 /newlib/libm/machine/spu/headers/cosd2.h | |
parent | 505ea71432880e9464e407dc08b4648ae3566c9d (diff) | |
download | cygnal-e30a7b84aa1527df63f20fe0cb3605afab652d94.tar.gz cygnal-e30a7b84aa1527df63f20fe0cb3605afab652d94.tar.bz2 cygnal-e30a7b84aa1527df63f20fe0cb3605afab652d94.zip |
2007-09-28 Patrick Mansfield <patmans@us.ibm.com>
* libm/machine/spu/Makefile.am: Add new C files.
* libm/machine/spu/Makefile.in: Regenerate.
* libm/machine/spu/headers/acos.h: New file.
* libm/machine/spu/headers/acosd2.h: Ditto.
* libm/machine/spu/headers/acosf.h: Ditto.
* libm/machine/spu/headers/acosf4.h: Ditto.
* libm/machine/spu/headers/acosh.h: Ditto.
* libm/machine/spu/headers/acoshd2.h: Ditto.
* libm/machine/spu/headers/acoshf.h: Ditto.
* libm/machine/spu/headers/acoshf4.h: Ditto.
* libm/machine/spu/headers/asin.h: Ditto.
* libm/machine/spu/headers/asind2.h: Ditto.
* libm/machine/spu/headers/asinf.h: Ditto.
* libm/machine/spu/headers/asinf4.h: Ditto.
* libm/machine/spu/headers/asinh.h: Ditto.
* libm/machine/spu/headers/asinhd2.h: Ditto.
* libm/machine/spu/headers/asinhf.h: Ditto.
* libm/machine/spu/headers/asinhf4.h: Ditto.
* libm/machine/spu/headers/atan.h: Ditto.
* libm/machine/spu/headers/atan2.h: Ditto.
* libm/machine/spu/headers/atan2d2.h: Ditto.
* libm/machine/spu/headers/atan2f.h: Ditto.
* libm/machine/spu/headers/atan2f4.h: Ditto.
* libm/machine/spu/headers/atand2.h: Ditto.
* libm/machine/spu/headers/atanf4.h: Ditto.
* libm/machine/spu/headers/atanh.h: Ditto.
* libm/machine/spu/headers/atanhd2.h: Ditto.
* libm/machine/spu/headers/atanhf.h: Ditto.
* libm/machine/spu/headers/atanhf4.h: Ditto.
* libm/machine/spu/headers/cos.h: Ditto.
* libm/machine/spu/headers/cos_sin.h: Ditto.
* libm/machine/spu/headers/cosd2.h: Ditto.
* libm/machine/spu/headers/cosf.h: Ditto.
* libm/machine/spu/headers/cosf4.h: Ditto.
* libm/machine/spu/headers/cosh.h: Ditto.
* libm/machine/spu/headers/coshd2.h: Ditto.
* libm/machine/spu/headers/coshf.h: Ditto.
* libm/machine/spu/headers/coshf4.h: Ditto.
* libm/machine/spu/headers/divd2.h: Ditto.
* libm/machine/spu/headers/divf4.h: Ditto.
* libm/machine/spu/headers/erf.h: Ditto.
* libm/machine/spu/headers/erf_utils.h: Ditto.
* libm/machine/spu/headers/erfc.h: Ditto.
* libm/machine/spu/headers/erfcd2.h: Ditto.
* libm/machine/spu/headers/erfcf.h: Ditto.
* libm/machine/spu/headers/erfcf4.h: Ditto.
* libm/machine/spu/headers/erfd2.h: Ditto.
* libm/machine/spu/headers/erff.h: Ditto.
* libm/machine/spu/headers/erff4.h: Ditto.
* libm/machine/spu/headers/exp.h: Ditto.
* libm/machine/spu/headers/exp2.h: Ditto.
* libm/machine/spu/headers/exp2d2.h: Ditto.
* libm/machine/spu/headers/exp2f4.h: Ditto.
* libm/machine/spu/headers/expd2.h: Ditto.
* libm/machine/spu/headers/expf4.h: Ditto.
* libm/machine/spu/headers/expm1.h: Ditto.
* libm/machine/spu/headers/expm1d2.h: Ditto.
* libm/machine/spu/headers/expm1f.h: Ditto.
* libm/machine/spu/headers/expm1f4.h: Ditto.
* libm/machine/spu/headers/floord2.h: Ditto.
* libm/machine/spu/headers/floorf4.h: Ditto.
* libm/machine/spu/headers/hypot.h: Ditto.
* libm/machine/spu/headers/hypotd2.h: Ditto.
* libm/machine/spu/headers/hypotf.h: Ditto.
* libm/machine/spu/headers/hypotf4.h: Ditto.
* libm/machine/spu/headers/isnan.h: Ditto.
* libm/machine/spu/headers/isnand2.h: Ditto.
* libm/machine/spu/headers/isnanf.h: Ditto.
* libm/machine/spu/headers/isnanf4.h: Ditto.
* libm/machine/spu/headers/ldexpd2.h: Ditto.
* libm/machine/spu/headers/ldexpf4.h: Ditto.
* libm/machine/spu/headers/lgamma.h: Ditto.
* libm/machine/spu/headers/lgammad2.h: Ditto.
* libm/machine/spu/headers/lgammaf.h: Ditto.
* libm/machine/spu/headers/lgammaf4.h: Ditto.
* libm/machine/spu/headers/log.h: Ditto.
* libm/machine/spu/headers/log10.h: Ditto.
* libm/machine/spu/headers/log10d2.h: Ditto.
* libm/machine/spu/headers/log1p.h: Ditto.
* libm/machine/spu/headers/log1pd2.h: Ditto.
* libm/machine/spu/headers/log1pf.h: Ditto.
* libm/machine/spu/headers/log1pf4.h: Ditto.
* libm/machine/spu/headers/log2.h: Ditto.
* libm/machine/spu/headers/log2d2.h: Ditto.
* libm/machine/spu/headers/log2f4.h: Ditto.
* libm/machine/spu/headers/logbf.h: Ditto.
* libm/machine/spu/headers/logbf4.h: Ditto.
* libm/machine/spu/headers/logd2.h: Ditto.
* libm/machine/spu/headers/logf4.h: Ditto.
* libm/machine/spu/headers/nearbyintf.h: Ditto.
* libm/machine/spu/headers/nearbyintf4.h: Ditto.
* libm/machine/spu/headers/nextafter.h: Ditto.
* libm/machine/spu/headers/nextafterd2.h: Ditto.
* libm/machine/spu/headers/nextafterf.h: Ditto.
* libm/machine/spu/headers/nextafterf4.h: Ditto.
* libm/machine/spu/headers/pow.h: Ditto.
* libm/machine/spu/headers/powd2.h: Ditto.
* libm/machine/spu/headers/powf.h: Ditto.
* libm/machine/spu/headers/powf4.h: Ditto.
* libm/machine/spu/headers/recipd2.h: Ditto.
* libm/machine/spu/headers/recipf4.h: Ditto.
* libm/machine/spu/headers/rintf.h: Ditto.
* libm/machine/spu/headers/rintf4.h: Ditto.
* libm/machine/spu/headers/scalbnf4.h: Ditto.
* libm/machine/spu/headers/signbit.h: Ditto.
* libm/machine/spu/headers/signbitd2.h: Ditto.
* libm/machine/spu/headers/simdmath.h: Ditto.
* libm/machine/spu/headers/sin.h: Ditto.
* libm/machine/spu/headers/sincos.h: Ditto.
* libm/machine/spu/headers/sincosd2.h: Ditto.
* libm/machine/spu/headers/sincosf.h: Ditto.
* libm/machine/spu/headers/sincosf4.h: Ditto.
* libm/machine/spu/headers/sind2.h: Ditto.
* libm/machine/spu/headers/sinf.h: Ditto.
* libm/machine/spu/headers/sinf4.h: Ditto.
* libm/machine/spu/headers/sinh.h: Ditto.
* libm/machine/spu/headers/sinhd2.h: Ditto.
* libm/machine/spu/headers/sinhf.h: Ditto.
* libm/machine/spu/headers/sinhf4.h: Ditto.
* libm/machine/spu/headers/sqrtd2.h: Ditto.
* libm/machine/spu/headers/sqrtf.h: Ditto.
* libm/machine/spu/headers/sqrtf4.h: Ditto.
* libm/machine/spu/headers/tan.h: Ditto.
* libm/machine/spu/headers/tand2.h: Ditto.
* libm/machine/spu/headers/tanf.h: Ditto.
* libm/machine/spu/headers/tanf4.h: Ditto.
* libm/machine/spu/headers/tanh.h: Ditto.
* libm/machine/spu/headers/tanhd2.h: Ditto.
* libm/machine/spu/headers/tanhf.h: Ditto.
* libm/machine/spu/headers/tanhf4.h: Ditto.
* libm/machine/spu/headers/tgamma.h: Ditto.
* libm/machine/spu/headers/tgammad2.h: Ditto.
* libm/machine/spu/headers/tgammaf.h: Ditto.
* libm/machine/spu/headers/tgammaf4.h: Ditto.
* libm/machine/spu/headers/truncd2.h: Ditto.
* libm/machine/spu/headers/truncf4.h: Ditto.
* libm/machine/spu/log2.c: Ditto.
* libm/machine/spu/s_asinh.c: Ditto.
* libm/machine/spu/s_atan.c: Ditto.
* libm/machine/spu/s_cos.c: Ditto.
* libm/machine/spu/s_erf.c: Ditto.
* libm/machine/spu/s_expm1.c: Ditto.
* libm/machine/spu/s_isnan.c: Ditto.
* libm/machine/spu/s_log1p.c: Ditto.
* libm/machine/spu/s_nextafter.c: Ditto.
* libm/machine/spu/s_sin.c: Ditto.
* libm/machine/spu/s_tan.c: Ditto.
* libm/machine/spu/s_tanh.c: Ditto.
* libm/machine/spu/sf_asinh.c: Ditto.
* libm/machine/spu/sf_cos.c: Ditto.
* libm/machine/spu/sf_erf.c: Ditto.
* libm/machine/spu/sf_expm1.c: Ditto.
* libm/machine/spu/sf_log1p.c: Ditto.
* libm/machine/spu/sf_logb.c: Ditto.
* libm/machine/spu/sf_nearbyint.c: Ditto.
* libm/machine/spu/sf_nextafter.c: Ditto.
* libm/machine/spu/sf_rint.c: Ditto.
* libm/machine/spu/sf_sin.c: Ditto.
* libm/machine/spu/sf_tan.c: Ditto.
* libm/machine/spu/sf_tanh.c: Ditto.
* libm/machine/spu/w_acos.c: Ditto.
* libm/machine/spu/w_acosh.c: Ditto.
* libm/machine/spu/w_asin.c: Ditto.
* libm/machine/spu/w_atan2.c: Ditto.
* libm/machine/spu/w_atanh.c: Ditto.
* libm/machine/spu/w_cosh.c: Ditto.
* libm/machine/spu/w_exp.c: Ditto.
* libm/machine/spu/w_exp2.c: Ditto.
* libm/machine/spu/w_hypot.c: Ditto.
* libm/machine/spu/w_lgamma.c: Ditto.
* libm/machine/spu/w_log.c: Ditto.
* libm/machine/spu/w_log10.c: Ditto.
* libm/machine/spu/w_pow.c: Ditto.
* libm/machine/spu/w_sincos.c: Ditto.
* libm/machine/spu/w_sinh.c: Ditto.
* libm/machine/spu/w_tgamma.c: Ditto.
* libm/machine/spu/wf_acos.c: Ditto.
* libm/machine/spu/wf_acosh.c: Ditto.
* libm/machine/spu/wf_asin.c: Ditto.
* libm/machine/spu/wf_atan2.c: Ditto.
* libm/machine/spu/wf_atanh.c: Ditto.
* libm/machine/spu/wf_cosh.c: Ditto.
* libm/machine/spu/wf_hypot.c: Ditto.
* libm/machine/spu/wf_lgamma.c: Ditto.
* libm/machine/spu/wf_pow.c: Ditto.
* libm/machine/spu/wf_sincos.c: Ditto.
* libm/machine/spu/wf_sinh.c: Ditto.
* libm/machine/spu/wf_sqrt.c: Ditto.
* libm/machine/spu/wf_tgamma.c: Ditto.
Diffstat (limited to 'newlib/libm/machine/spu/headers/cosd2.h')
-rw-r--r-- | newlib/libm/machine/spu/headers/cosd2.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/newlib/libm/machine/spu/headers/cosd2.h b/newlib/libm/machine/spu/headers/cosd2.h new file mode 100644 index 000000000..3ca12efd1 --- /dev/null +++ b/newlib/libm/machine/spu/headers/cosd2.h @@ -0,0 +1,109 @@ +/* -------------------------------------------------------------- */ +/* (C)Copyright 2006,2007, */ +/* 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. */ +/* 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 _COSD2_H_ +#define _COSD2_H_ 1 + +#include <spu_intrinsics.h> + +#include "cos_sin.h" + +/* + * FUNCTION + * vector double _cosd2(vector double angle) + * + * DESCRIPTION + * _cosd2 computes the cosine of a vector of angles (expressed + * in radians) to an accuracy of a double precision floating point. + */ +static __inline vector double _cosd2(vector double angle) +{ + vec_int4 octant; + vec_ullong2 select; + vec_double2 cos, sin; + vec_double2 toggle_sign, answer; + + /* Range reduce the input angle x into the range -PI/4 to PI/4 + * by performing simple modulus. + */ + MOD_PI_OVER_FOUR(angle, octant); + + /* Compute the cosine and sine of the range reduced input. + */ + COMPUTE_COS_SIN(angle, cos, sin); + + /* For each SIMD element, select which result (cos or sin) to use + * with a sign correction depending upon the octant of the original + * angle (Maclaurin series). + * + * octants angles select sign toggle + * ------- ------------ ------ ----------- + * 0 0 to 45 cos no + * 1,2 45 to 135 sin yes + * 3,4 135 to 225 cos yes + * 5,6 225 to 315 sin no + * 7 315 to 360 cos no + */ + octant = spu_shuffle(octant, octant, ((vec_uchar16) { 0,1, 2, 3, 0,1, 2, 3, 8,9,10,11, 8,9,10,11 })); + + toggle_sign = (vec_double2)spu_sl(spu_and(spu_add(octant, 2), 4), ((vec_uint4) { 29,32,29,32 })); + select = (vec_ullong2)spu_cmpeq(spu_and(octant, 2), 0); + + answer = spu_xor(spu_sel(sin, cos, select), toggle_sign); + + return (answer); +} + +#endif /* _COSD2_H_ */ +#endif /* __SPU__ */ |