diff options
Diffstat (limited to 'newlib/libm/machine/spu/headers/asinhd2.h')
| -rw-r--r-- | newlib/libm/machine/spu/headers/asinhd2.h | 70 |
1 files changed, 48 insertions, 22 deletions
diff --git a/newlib/libm/machine/spu/headers/asinhd2.h b/newlib/libm/machine/spu/headers/asinhd2.h index 8a0b97c4d..542d59858 100644 --- a/newlib/libm/machine/spu/headers/asinhd2.h +++ b/newlib/libm/machine/spu/headers/asinhd2.h @@ -1,5 +1,5 @@ /* -------------------------------------------------------------- */ -/* (C)Copyright 2007,2008, */ +/* (C)Copyright 2006,2007, */ /* International Business Machines Corporation */ /* All Rights Reserved. */ /* */ @@ -19,6 +19,18 @@ /* 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, */ @@ -81,27 +93,43 @@ * Maclaurin Series Coefficients * for x near 0. */ -#define SDM_ASINHD2_MAC01 1.000000000000000000000000000000000000000000E0 -#define SDM_ASINHD2_MAC03 -1.666666666666666666666666666666666666666667E-1 -#define SDM_ASINHD2_MAC05 7.500000000000000000000000000000000000000000E-2 -#define SDM_ASINHD2_MAC07 -4.464285714285714285714285714285714285714286E-2 -#define SDM_ASINHD2_MAC09 3.038194444444444444444444444444444444444444E-2 -#define SDM_ASINHD2_MAC11 -2.237215909090909090909090909090909090909091E-2 -#define SDM_ASINHD2_MAC13 1.735276442307692307692307692307692307692308E-2 -#define SDM_ASINHD2_MAC15 -1.396484375000000000000000000000000000000000E-2 -#define SDM_ASINHD2_MAC17 1.155180089613970588235294117647058823529412E-2 +#define ASINH_MAC01 1.0000000000000000000000000000000000000000000000000000000000000000000000E0 +#define ASINH_MAC03 -1.6666666666666666666666666666666666666666666666666666666666666666666667E-1 +#define ASINH_MAC05 7.5000000000000000000000000000000000000000000000000000000000000000000000E-2 +#define ASINH_MAC07 -4.4642857142857142857142857142857142857142857142857142857142857142857143E-2 +#define ASINH_MAC09 3.0381944444444444444444444444444444444444444444444444444444444444444444E-2 +#define ASINH_MAC11 -2.2372159090909090909090909090909090909090909090909090909090909090909091E-2 +#define ASINH_MAC13 1.7352764423076923076923076923076923076923076923076923076923076923076923E-2 +#define ASINH_MAC15 -1.3964843750000000000000000000000000000000000000000000000000000000000000E-2 +#define ASINH_MAC17 1.1551800896139705882352941176470588235294117647058823529411764705882353E-2 +#if 0 +#define ASINH_MAC19 -9.7616095291940789473684210526315789473684210526315789473684210526315789E-3 +#define ASINH_MAC21 8.3903358096168154761904761904761904761904761904761904761904761904761905E-3 +#define ASINH_MAC23 -7.3125258735988451086956521739130434782608695652173913043478260869565217E-3 +#define ASINH_MAC25 6.4472103118896484375000000000000000000000000000000000000000000000000000E-3 +#define ASINH_MAC27 -5.7400376708419234664351851851851851851851851851851851851851851851851852E-3 +#define ASINH_MAC29 5.1533096823199041958512931034482758620689655172413793103448275862068966E-3 +#define ASINH_MAC31 -4.6601434869150961599042338709677419354838709677419354838709677419354839E-3 +#define ASINH_MAC33 4.2409070936793630773370916193181818181818181818181818181818181818181818E-3 +#define ASINH_MAC35 -3.8809645588376692363194056919642857142857142857142857142857142857142857E-3 +#define ASINH_MAC37 3.5692053938259345454138678473395270270270270270270270270270270270270270E-3 +#define ASINH_MAC39 -3.2970595034734847453924325796274038461538461538461538461538461538461538E-3 +#define ASINH_MAC41 3.0578216492580306693548109473251714939024390243902439024390243902439024E-3 +#define ASINH_MAC43 -2.8461784011089421678767647854117460029069767441860465116279069767441860E-3 +#endif static __inline vector double _asinhd2(vector double x) { vec_double2 sign_mask = spu_splats(-0.0); vec_double2 oned = spu_splats(1.0); - vec_uchar16 dup_even = ((vec_uchar16) { 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 }); + vec_uchar16 dup_even = ((vec_uchar16) { 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 }); vec_uint4 infminus1 = spu_splats(0x7FEFFFFFU); vec_uint4 isinfnan; vec_double2 xabs, xsqu; vec_uint4 xabshigh; - vec_float4 switch_approx = spu_splats(0.165f); /* Where we switch from maclaurin to formula */ + /* Where we switch from maclaurin to formula */ + vec_float4 switch_approx = spu_splats(0.165f); vec_uint4 use_form; vec_float4 xf; vec_double2 result, fresult, mresult; @@ -125,16 +153,14 @@ static __inline vector double _asinhd2(vector double x) /* * Maclaurin Series approximation */ - - mresult = spu_splats(SDM_ASINHD2_MAC17); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC15)); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC13)); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC11)); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC09)); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC07)); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC05)); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC03)); - mresult = spu_madd(xsqu, mresult, spu_splats(SDM_ASINHD2_MAC01)); + mresult = spu_madd(xsqu, spu_splats(ASINH_MAC17), spu_splats(ASINH_MAC15)); + mresult = spu_madd(xsqu, mresult, spu_splats(ASINH_MAC13)); + mresult = spu_madd(xsqu, mresult, spu_splats(ASINH_MAC11)); + mresult = spu_madd(xsqu, mresult, spu_splats(ASINH_MAC09)); + mresult = spu_madd(xsqu, mresult, spu_splats(ASINH_MAC07)); + mresult = spu_madd(xsqu, mresult, spu_splats(ASINH_MAC05)); + mresult = spu_madd(xsqu, mresult, spu_splats(ASINH_MAC03)); + mresult = spu_madd(xsqu, mresult, spu_splats(ASINH_MAC01)); mresult = spu_mul(xabs, mresult); |