Update.

2001-03-11  Ulrich Drepper  <drepper@redhat.com>

	Last-bit accurate math library implementation by IBM Haifa.
	Contributed by Abraham Ziv <ziv@il.ibm.com>, Moshe Olshansky
	<olshansk@il.ibm.com>, Ealan Henis <ealan@il.ibm.com>, and
	Anna Reitman <reitman@il.ibm.com>.
	* math/Makefile (dbl-only-routines): New variable.
	(libm-routines): Add $(dbl-only-routines).
	* sysdeps/ieee754/dbl-64/e_acos.c: Empty, definition is in e_asin.c.
	* sysdeps/ieee754/dbl-64/e_asin.c: Replaced with accurate asin
	implementation.
	* sysdeps/ieee754/dbl-64/e_atan2.c: Replaced with accurate atan2
	implementation.
	* sysdeps/ieee754/dbl-64/e_exp.c: Replaced with accurate exp
	implementation.
	* sysdeps/ieee754/dbl-64/e_lgamma_r.c: Don't use __kernel_sin and
	__kernel_cos.
	* sysdeps/ieee754/dbl-64/e_log.c: Replaced with accurate log
	implementation.
	* sysdeps/ieee754/dbl-64/e_remainder.c: Replaced with accurate
	remainder implementation.
	* sysdeps/ieee754/dbl-64/e_pow.c: Replaced with accurate pow
	implementation.
	* sysdeps/ieee754/dbl-64/e_sqrt.c: Replaced with accurate sqrt
	implementation.
	* sysdeps/ieee754/dbl-64/k_cos.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/k_sin.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/s_atan.c: Replaced with accurate atan
	implementation.
	* sysdeps/ieee754/dbl-64/s_cos.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/s_sin.c: Replaced with accurate sin/cos
	implementation.
	* sysdeps/ieee754/dbl-64/s_sincos.c: Rewritten to not use __kernel_sin
	and __kernel_cos.
	* sysdeps/ieee754/dbl-64/s_tan.c: Replaced with accurate tan
	implementation.
	* sysdeps/ieee754/dbl-64/Dist: Add new non-code files.
	* sysdeps/ieee754/dbl-64/MathLib.h: New file.
	* sysdeps/ieee754/dbl-64/asincos.tbl: New file.
	* sysdeps/ieee754/dbl-64/atnat.h: New file.
	* sysdeps/ieee754/dbl-64/atnat2.h: New file.
	* sysdeps/ieee754/dbl-64/branred.c: New file.
	* sysdeps/ieee754/dbl-64/branred.h: New file.
	* sysdeps/ieee754/dbl-64/dla.h: New file.
	* sysdeps/ieee754/dbl-64/doasin.c: New file.
	* sysdeps/ieee754/dbl-64/doasin.h: New file.
	* sysdeps/ieee754/dbl-64/dosincos.c: New file.
	* sysdeps/ieee754/dbl-64/dosincos.h: New file.
	* sysdeps/ieee754/dbl-64/endian.h: New file.
	* sysdeps/ieee754/dbl-64/halfulp.c: New file.
	* sysdeps/ieee754/dbl-64/mpa.c: New file.
	* sysdeps/ieee754/dbl-64/mpa.h: New file.
	* sysdeps/ieee754/dbl-64/mpa2.h: New file.
	* sysdeps/ieee754/dbl-64/mpatan.c: New file.
	* sysdeps/ieee754/dbl-64/mpatan.h: New file.
	* sysdeps/ieee754/dbl-64/mpatan2.c: New file.
	* sysdeps/ieee754/dbl-64/mpexp.c: New file.
	* sysdeps/ieee754/dbl-64/mpexp.h: New file.
	* sysdeps/ieee754/dbl-64/mplog.c: New file.
	* sysdeps/ieee754/dbl-64/mplog.h: New file.
	* sysdeps/ieee754/dbl-64/mpsqrt.c: New file.
	* sysdeps/ieee754/dbl-64/mpsqrt.h: New file.
	* sysdeps/ieee754/dbl-64/mptan.c: New file.
	* sysdeps/ieee754/dbl-64/mydefs.h: New file.
	* sysdeps/ieee754/dbl-64/powtwo.tbl: New file.
	* sysdeps/ieee754/dbl-64/root.tbl: New file.
	* sysdeps/ieee754/dbl-64/sincos.tbl: New file.
	* sysdeps/ieee754/dbl-64/sincos32.c: New file.
	* sysdeps/ieee754/dbl-64/sincos32.h: New file.
	* sysdeps/ieee754/dbl-64/slowexp.c: New file.
	* sysdeps/ieee754/dbl-64/slowpow.c: New file.
	* sysdeps/ieee754/dbl-64/uasncs.h: New file.
	* sysdeps/ieee754/dbl-64/uatan.tbl: New file.
	* sysdeps/ieee754/dbl-64/uexp.h: New file.
	* sysdeps/ieee754/dbl-64/uexp.tbl: New file.
	* sysdeps/ieee754/dbl-64/ulog.h: New file.
	* sysdeps/ieee754/dbl-64/ulog.tbl: New file.
	* sysdeps/ieee754/dbl-64/upow.h: New file.
	* sysdeps/ieee754/dbl-64/upow.tbl: New file.
	* sysdeps/ieee754/dbl-64/urem.h: New file.
	* sysdeps/ieee754/dbl-64/uroot.h: New file.
	* sysdeps/ieee754/dbl-64/usncs.h: New file.
	* sysdeps/ieee754/dbl-64/utan.h: New file.
	* sysdeps/ieee754/dbl-64/utan.tbl: New file.
	* sysdeps/i386/fpu/branred.c: New file.
	* sysdeps/i386/fpu/doasin.c: New file.
	* sysdeps/i386/fpu/dosincos.c: New file.
	* sysdeps/i386/fpu/halfulp.c: New file.
	* sysdeps/i386/fpu/mpa.c: New file.
	* sysdeps/i386/fpu/mpatan.c: New file.
	* sysdeps/i386/fpu/mpatan2.c: New file.
	* sysdeps/i386/fpu/mpexp.c: New file.
	* sysdeps/i386/fpu/mplog.c: New file.
	* sysdeps/i386/fpu/mpsqrt.c: New file.
	* sysdeps/i386/fpu/mptan.c: New file.
	* sysdeps/i386/fpu/sincos32.c: New file.
	* sysdeps/i386/fpu/slowexp.c: New file.
	* sysdeps/i386/fpu/slowpow.c: New file.
	* sysdeps/ia64/fpu/branred.c: New file.
	* sysdeps/ia64/fpu/doasin.c: New file.
	* sysdeps/ia64/fpu/dosincos.c: New file.
	* sysdeps/ia64/fpu/halfulp.c: New file.
	* sysdeps/ia64/fpu/mpa.c: New file.
	* sysdeps/ia64/fpu/mpatan.c: New file.
	* sysdeps/ia64/fpu/mpatan2.c: New file.
	* sysdeps/ia64/fpu/mpexp.c: New file.
	* sysdeps/ia64/fpu/mplog.c: New file.
	* sysdeps/ia64/fpu/mpsqrt.c: New file.
	* sysdeps/ia64/fpu/mptan.c: New file.
	* sysdeps/ia64/fpu/sincos32.c: New file.
	* sysdeps/ia64/fpu/slowexp.c: New file.
	* sysdeps/ia64/fpu/slowpow.c: New file.
	* sysdeps/m68k/fpu/branred.c: New file.
	* sysdeps/m68k/fpu/doasin.c: New file.
	* sysdeps/m68k/fpu/dosincos.c: New file.
	* sysdeps/m68k/fpu/halfulp.c: New file.
	* sysdeps/m68k/fpu/mpa.c: New file.
	* sysdeps/m68k/fpu/mpatan.c: New file.
	* sysdeps/m68k/fpu/mpatan2.c: New file.
	* sysdeps/m68k/fpu/mpexp.c: New file.
	* sysdeps/m68k/fpu/mplog.c: New file.
	* sysdeps/m68k/fpu/mpsqrt.c: New file.
	* sysdeps/m68k/fpu/mptan.c: New file.
	* sysdeps/m68k/fpu/sincos32.c: New file.
	* sysdeps/m68k/fpu/slowexp.c: New file.
	* sysdeps/m68k/fpu/slowpow.c: New file.

	* iconvdata/gconv-modules: Add a number of alias, mostly for IBM
	codepages.

1 files changed, 79 insertions, 0 deletions

diff --git a/sysdeps/ieee754/dbl-64/dosincos.h b/sysdeps/ieee754/dbl-64/dosincos.h
new file mode 100644
index 0000000000..20f4ede78c
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/dosincos.h
@@ -0,0 +1,79 @@
+
+/*
+ * 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: dosincos.h                                                */
+/*                                                                      */
+/*                                                                      */
+/* 	common data and variables definition for BIG or LITTLE ENDIAN   */
+/************************************************************************/
+
+
+
+#ifndef DOSINCOS_H
+#define DOSINCOS_H
+
+
+#ifdef BIG_ENDI
+static const mynumber
+/**/             s3 = {0xBFC55555, 0x55555555}, /* -0.16666666666666666    */
+/**/            ss3 = {0xBC6553AA, 0xE77EE482}, /* -9.2490366677784492e-18 */
+/**/             s5 = {0x3F811111, 0x11110F15}, /*  0.008333333333332452   */
+/**/            ss5 = {0xBC21AC06, 0xDA488820}, /* -4.7899996586987931e-19 */
+/**/             s7 = {0xBF2A019F, 0x5816C78D}, /* -0.00019841261022928957 */
+/**/            ss7 = {0x3BCDCEC9, 0x6A18BF2A}, /*  1.2624077757871259e-20 */
+/**/             c2 = {0x3FE00000, 0x00000000}, /*  0.5                    */
+/**/            cc2 = {0xBA282FD8, 0x00000000}, /* -1.5264073330037701e-28 */
+/**/             c4 = {0xBFA55555, 0x55555555}, /* -0.041666666666666664   */
+/**/            cc4 = {0xBC4554BC, 0x2FFF257E}, /* -2.312711276085743e-18  */
+/**/             c6 = {0x3F56C16C, 0x16C16A96}, /*  0.0013888888888888055  */
+/**/            cc6 = {0xBBD2E846, 0xE6346F14}, /* -1.6015133010194884e-20 */
+/**/             c8 = {0xBEFA019F, 0x821D5987}, /* -2.480157866754367e-05  */
+/**/            cc8 = {0x3B7AB71E, 0x72FFE5CC}, /*  3.5357416224857556e-22 */
+
+/**/            big = {0x42c80000, 0x00000000},  /* 52776558133248         */
+
+/**/            hp0 = {0x3FF921FB, 0x54442D18 }, /* PI / 2                 */
+/**/            hp1 = {0x3C91A626, 0x33145C07 }; /* 6.123233995736766e-17  */
+#else
+#ifdef LITTLE_ENDI
+static const mynumber
+/**/             s3 = {0x55555555, 0xBFC55555}, /* -0.16666666666666666    */
+/**/            ss3 = {0xE77EE482, 0xBC6553AA}, /* -9.2490366677784492e-18 */
+/**/             s5 = {0x11110F15, 0x3F811111}, /*  0.008333333333332452   */
+/**/            ss5 = {0xDA488820, 0xBC21AC06}, /* -4.7899996586987931e-19 */
+/**/             s7 = {0x5816C78D, 0xBF2A019F}, /* -0.00019841261022928957 */
+/**/            ss7 = {0x6A18BF2A, 0x3BCDCEC9}, /*  1.2624077757871259e-20 */
+/**/             c2 = {0x00000000, 0x3FE00000}, /*  0.5                    */
+/**/            cc2 = {0x00000000, 0xBA282FD8}, /* -1.5264073330037701e-28 */
+/**/             c4 = {0x55555555, 0xBFA55555}, /* -0.041666666666666664   */
+/**/            cc4 = {0x2FFF257E, 0xBC4554BC}, /* -2.312711276085743e-18  */
+/**/             c6 = {0x16C16A96, 0x3F56C16C}, /*  0.0013888888888888055  */
+/**/            cc6 = {0xE6346F14, 0xBBD2E846}, /* -1.6015133010194884e-20 */
+/**/             c8 = {0x821D5987, 0xBEFA019F}, /* -2.480157866754367e-05  */
+/**/            cc8 = {0x72FFE5CC, 0x3B7AB71E}, /*  3.5357416224857556e-22 */
+
+/**/            big = {0x00000000, 0x42c80000},  /* 52776558133248         */
+
+/**/            hp0 = {0x54442D18, 0x3FF921FB }, /* PI / 2                 */
+/**/            hp1 = {0x33145C07, 0x3C91A626 }; /* 6.123233995736766e-17  */
+#endif
+#endif
+
+#endif