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, 93 insertions, 0 deletions

diff --git a/sysdeps/ieee754/dbl-64/mpa2.h b/sysdeps/ieee754/dbl-64/mpa2.h
new file mode 100644
index 0000000000..2b677fd750
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/mpa2.h
@@ -0,0 +1,93 @@
+
+/*
+ * 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:mpa2.h                                                     */
+/*                                                                        */
+/*                                                                        */
+/*   variables prototype and definition   according to type of processor  */
+/*   types definition                                                     */ 
+/**************************************************************************/
+
+#ifndef MPA2_H
+#define MPA2_H
+
+
+#ifdef BIG_ENDI
+static const number
+/**/ radix          = {0x41700000, 0x00000000, }, /* 2**24  */
+/**/ radixi         = {0x3e700000, 0x00000000, }, /* 2**-24 */
+/**/ cutter         = {0x44b00000, 0x00000000, }, /* 2**76  */
+/**/ zero           = {0x00000000, 0x00000000, }, /*  0     */
+/**/ one            = {0x3ff00000, 0x00000000, }, /*  1     */
+/**/ mone           = {0xbff00000, 0x00000000, }, /* -1     */
+/**/ two            = {0x40000000, 0x00000000, }, /*  2     */
+/**/ two5           = {0x40400000, 0x00000000, }, /* 2**5   */
+/**/ two10          = {0x40900000, 0x00000000, }, /* 2**10  */
+/**/ two18          = {0x41100000, 0x00000000, }, /* 2**18  */
+/**/ two19          = {0x41200000, 0x00000000, }, /* 2**19  */
+/**/ two23          = {0x41600000, 0x00000000, }, /* 2**23  */
+/**/ two52          = {0x43300000, 0x00000000, }, /* 2**52  */
+/**/ two57          = {0x43800000, 0x00000000, }, /* 2**57  */
+/**/ two71          = {0x44600000, 0x00000000, }, /* 2**71  */
+/**/ twom1032       = {0x00000400, 0x00000000, }; /* 2**-1032 */
+
+#else
+#ifdef LITTLE_ENDI
+static const number
+/**/ radix          = {0x00000000, 0x41700000, }, /* 2**24  */
+/**/ radixi         = {0x00000000, 0x3e700000, }, /* 2**-24 */
+/**/ cutter         = {0x00000000, 0x44b00000, }, /* 2**76  */
+/**/ zero           = {0x00000000, 0x00000000, }, /*  0     */
+/**/ one            = {0x00000000, 0x3ff00000, }, /*  1     */
+/**/ mone           = {0x00000000, 0xbff00000, }, /* -1     */
+/**/ two            = {0x00000000, 0x40000000, }, /*  2     */
+/**/ two5           = {0x00000000, 0x40400000, }, /* 2**5   */
+/**/ two10          = {0x00000000, 0x40900000, }, /* 2**10  */
+/**/ two18          = {0x00000000, 0x41100000, }, /* 2**18  */
+/**/ two19          = {0x00000000, 0x41200000, }, /* 2**19  */
+/**/ two23          = {0x00000000, 0x41600000, }, /* 2**23  */
+/**/ two52          = {0x00000000, 0x43300000, }, /* 2**52  */
+/**/ two57          = {0x00000000, 0x43800000, }, /* 2**57  */
+/**/ two71          = {0x00000000, 0x44600000, }, /* 2**71  */
+/**/ twom1032       = {0x00000000, 0x00000400, }; /* 2**-1032 */
+
+#endif
+#endif
+
+#define  RADIX     radix.d
+#define  RADIXI    radixi.d
+#define  CUTTER    cutter.d
+#define  ZERO      zero.d
+#define  ONE       one.d
+#define  MONE      mone.d
+#define  TWO       two.d
+#define  TWO5      two5.d
+#define  TWO10     two10.d
+#define  TWO18     two18.d
+#define  TWO19     two19.d
+#define  TWO23     two23.d
+#define  TWO52     two52.d
+#define  TWO57     two57.d
+#define  TWO71     two71.d
+#define  TWOM1032  twom1032.d
+
+
+#endif