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/usncs.h b/sysdeps/ieee754/dbl-64/usncs.h
new file mode 100644
index 0000000000..01a954d140
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/usncs.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 USNCS_H
+#define USNCS_H
+
+#ifdef BIG_ENDI
+static const mynumber
+
+/**/            NAN = {0x7ff80000, 0x00000000 }, /*  NaN                     */
+/**/             s1 = {0xBFC55555, 0x55555555 }, /* -0.16666666666666666     */
+/**/             s2 = {0x3F811111, 0x11110ECE }, /*  0.0083333333333323288   */
+/**/             s3 = {0xBF2A01A0, 0x19DB08B8 }, /* -0.00019841269834414642  */
+/**/             s4 = {0x3EC71DE2, 0x7B9A7ED9 }, /*  2.755729806860771e-06   */
+/**/             s5 = {0xBE5ADDFF, 0xC2FCDF59 }, /* -2.5022014848318398e-08  */
+/**/             aa = {0xBFC55580, 0x00000000 }, /* -0.1666717529296875      */
+/**/             bb = {0x3ED55555, 0x55556E24 }, /*  5.0862630208387126e-06  */
+/**/            big = {0x42c80000, 0x00000000 }, /*  52776558133248          */
+/**/            hp0 = {0x3FF921FB, 0x54442D18 }, /*  1.5707963267948966      */
+/**/            hp1 = {0x3C91A626, 0x33145C07 }, /*  6.123233995736766e-17   */
+/**/            mp1 = {0x3FF921FB, 0x58000000 }, /*  1.5707963407039642      */
+/**/            mp2 = {0xBE4DDE97, 0x3C000000 }, /* -1.3909067564377153e-08  */
+/**/            mp3 = {0xBC8CB3B3, 0x99D747F2 }, /* -4.9789962505147994e-17  */
+/**/            pp3 = {0xBC8CB3B3, 0x98000000 }, /* -4.9789962314799099e-17  */
+/**/            pp4 = {0xbacd747f, 0x23e32ed7 }, /* -1.9034889620193266e-25  */
+/**/          hpinv = {0x3FE45F30, 0x6DC9C883 }, /*  0.63661977236758138     */
+/**/          toint = {0x43380000, 0x00000000 }; /*  6755399441055744        */
+
+#else
+#ifdef LITTLE_ENDI
+static const mynumber
+
+/**/            NAN = {0x00000000, 0x7ff80000 },/*  NaN                     */
+/**/             s1 = {0x55555555, 0xBFC55555 },/* -0.16666666666666666     */
+/**/             s2 = {0x11110ECE, 0x3F811111 },/*  0.0083333333333323288   */
+/**/             s3 = {0x19DB08B8, 0xBF2A01A0 },/* -0.00019841269834414642  */
+/**/             s4 = {0x7B9A7ED9, 0x3EC71DE2 },/*  2.755729806860771e-06   */
+/**/             s5 = {0xC2FCDF59, 0xBE5ADDFF },/* -2.5022014848318398e-08  */
+/**/             aa = {0x00000000, 0xBFC55580 },/* -0.1666717529296875      */
+/**/             bb = {0x55556E24, 0x3ED55555 },/*  5.0862630208387126e-06  */
+/**/            big = {0x00000000, 0x42c80000 },/*  52776558133248          */
+/**/            hp0 = {0x54442D18, 0x3FF921FB },/*  1.5707963267948966      */
+/**/            hp1 = {0x33145C07, 0x3C91A626 },/*  6.123233995736766e-17   */
+/**/            mp1 = {0x58000000, 0x3FF921FB },/*  1.5707963407039642      */
+/**/            mp2 = {0x3C000000, 0xBE4DDE97 },/* -1.3909067564377153e-08  */
+/**/            mp3 = {0x99D747F2, 0xBC8CB3B3 },/* -4.9789962505147994e-17  */
+/**/            pp3 = {0x98000000, 0xBC8CB3B3 },/* -4.9789962314799099e-17  */
+/**/            pp4 = {0x23e32ed7, 0xbacd747f },/* -1.9034889620193266e-25  */
+/**/          hpinv = {0x6DC9C883, 0x3FE45F30 },/*  0.63661977236758138     */
+/**/          toint = {0x00000000, 0x43380000 };/*  6755399441055744        */
+
+
+#endif
+#endif
+
+#endif