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Diffstat (limited to 'sysdeps/ieee754/dbl-64/upow.h')
-rw-r--r-- | sysdeps/ieee754/dbl-64/upow.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sysdeps/ieee754/dbl-64/upow.h b/sysdeps/ieee754/dbl-64/upow.h new file mode 100644 index 0000000000..633190b671 --- /dev/null +++ b/sysdeps/ieee754/dbl-64/upow.h @@ -0,0 +1,82 @@ + +/* + * IBM Accurate Mathematical Library + * Copyright (c) International Business Machines Corp., 2001 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/******************************************************************/ +/* */ +/* MODULE_NAME:upow.h */ +/* */ +/* common data and variables prototype and definition */ +/******************************************************************/ + +#ifndef UPOW_H +#define UPOW_H + +#include "mydefs.h" + +#ifdef BIG_ENDI + const static mynumber +/**/ INF = {0x7ff00000, 0x00000000 }, /* INF */ +/**/ NaNQ = {0x7ff80000, 0x00000000 }, /* NaNQ */ +/**/ sqrt_2 = {0x3ff6a09e, 0x667f3bcc }, /* sqrt(2) */ +/**/ ln2a = {0x3fe62e42, 0xfefa3800 }, /* ln(2) 43 bits */ +/**/ ln2b = {0x3d2ef357, 0x93c76730 }, /* ln(2)-ln2a */ +/**/ bigu = {0x4297ffff, 0xfffffd2c }, /* 1.5*2**42 -724*2**-10 */ +/**/ bigv = {0x4207ffff, 0xfff8016a }, /* 1.5*2**33-1+362*2**-19 */ +/**/ t52 = {0x43300000, 0x00000000 }, /* 2**52 */ +/**/ two52e = {0x43300000, 0x000003ff }; /* 2**52' */ + + mynumber +/**/ two52 = {0x43300000, 0x00000000 }; /* 2**52 */ + +#else +#ifdef LITTLE_ENDI + const static mynumber +/**/ INF = {0x00000000, 0x7ff00000 }, /* INF */ +/**/ NaNQ = {0x00000000, 0x7ff80000 }, /* NaNQ */ +/**/ sqrt_2 = {0x667f3bcc, 0x3ff6a09e }, /* sqrt(2) */ +/**/ ln2a = {0xfefa3800, 0x3fe62e42 }, /* ln(2) 43 bits */ +/**/ ln2b = {0x93c76730, 0x3d2ef357 }, /* ln(2)-ln2a */ +/**/ bigu = {0xfffffd2c, 0x4297ffff }, /* 1.5*2**42 -724*2**-10 */ +/**/ bigv = {0xfff8016a, 0x4207ffff }, /* 1.5*2**33-1+362*2**-19 */ +/**/ t52 = {0x00000000, 0x43300000 }, /* 2**52 */ +/**/ two52e = {0x000003ff, 0x43300000 }; /* 2**52' */ + + mynumber +/**/ two52 = {0x00000000, 0x43300000 }; /* 2**52 */ + +#endif +#endif + +const static double p2=-0.5, p3 = 3.3333333333333333333e-1, p4 = -0.25, + q2 = -0.5, q3 = 3.3333333333331404e-01, q4 = -2.4999999999996436e-01, + q5 = 2.0000010500004459e-01, q6 = -1.6666678916688004e-01, + r3 = 3.33333333333333333372884096563030E-01, + r4 = -2.50000000000000000213574153875908E-01, + r5 = 1.99999999999683593814072199830603E-01, + r6 = -1.66666666666065494878165510225378E-01, + r7 = 1.42857517857114380606360005067609E-01, + r8 = -1.25000449999974370683775964001702E-01, + s3 = 0.333251953125000000e0, + ss3 = 8.138020833333333333e-05, + s4 = -2.500000000000000000e-01, + s5 = 1.999999999999960937e-01, + s6 = -1.666666666666592447e-01, + s7 = 1.428571845238194705e-01, + s8 = -1.250000500000149097e-01; +#endif |