/tmp/log

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,16 @@
+Fri Apr 12 00:34:17 2002  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
+
+	* MANIFEST (missing/acosh.c): added.
+
+	* Makefile.in (missing/acosh.c): ditto.
+
+	* Makefile.in (missing/fileblocks.c): ditto.
+
+	* configure.in (AC_REPLACE_FUNCS): check acosh() on behalf of
+	  inverse hyperbolic functions, asinh() and atanh().
+
+	* missing/acosh.c: added for acosh(), asinh() and atanh().
+
 Thu Apr 11 19:10:37 2002  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* io.c (remain_size): IO#read returns "" if file.size == 0.

MANIFEST

@@ -205,6 +205,7 @@ misc/inf-ruby.el
 misc/ruby-mode.el
 misc/rubydb2x.el
 misc/rubydb3x.el
+missing/acosh.c
 missing/alloca.c
 missing/crypt.c
 missing/dup2.c

Makefile.in

@@ -165,6 +165,9 @@ parse.c: parse.y
 
 parse.@OBJEXT@: parse.c
 
+acosh.@OBJEXT@: $(srcdir)/missing/acosh.c
+	$(CC) -I. $(CFLAGS) $(CPPFLAGS) -c $(srcdir)/missing/acosh.c
+
 alloca.@OBJEXT@: $(srcdir)/missing/alloca.c
 	$(CC) -I. $(CFLAGS) $(CPPFLAGS) -c $(srcdir)/missing/alloca.c
 
@@ -174,6 +177,9 @@ crypt.@OBJEXT@: $(srcdir)/missing/crypt.c
 dup2.@OBJEXT@: $(srcdir)/missing/dup2.c
 	$(CC) -I. $(CFLAGS) $(CPPFLAGS) -c $(srcdir)/missing/dup2.c
 
+fileblocks.@OBJEXT@: $(srcdir)/missing/fileblocks.c
+	$(CC) -I. $(CFLAGS) $(CPPFLAGS) -c $(srcdir)/missing/fileblocks.c
+
 finite.@OBJEXT@: $(srcdir)/missing/finite.c
 	$(CC) -I. $(CFLAGS) $(CPPFLAGS) -c $(srcdir)/missing/finite.c
 

configure.in

@@ -11,7 +11,7 @@ AC_SUBST(MAJOR)
 AC_SUBST(MINOR)
 AC_SUBST(TEENY)
 dnl checks for alternative programs
-AC_ARG_WITH(gcc, [--without-gcc             never use gcc], [
+AC_ARG_WITH(gcc, [  --without-gcc           never use gcc], [
 	case $withval in
 	no)	: ${CC=cc}
 		;;
@@ -36,7 +36,7 @@ RUBY_CANONICAL_BUILD
 dnl checks for fat-binary
 fat_binary=no
 AC_ARG_ENABLE(fat-binary,
-       [--enable-fat-binary       build a NeXT/Apple Multi Architecture Binary. ],
+       [  --enable-fat-binary     build a NeXT/Apple Multi Architecture Binary. ],
        [fat_binary=$enableval])
  if test "$fat_binary" = yes ; then
 
@@ -83,7 +83,7 @@ case $target_cpu in
   *)    frame_address=no;;
 esac
 AC_ARG_ENABLE(frame-address,
-       [--enable-frame-address    use GCC __builtin_frame_address(). ],
+       [  --enable-frame-address  use GCC __builtin_frame_address(). ],
        [frame_address=$enableval])
 if test $frame_address = yes; then
     AC_DEFINE(USE_BUILTIN_FRAME_ADDRESS)
@@ -191,7 +191,7 @@ AC_DEFINE_UNQUOTED([NORETURN(x)], $rb_cv_noreturn)
 
 dnl wheather link libc_r or not
 AC_ARG_WITH(libc_r, 
-	[--with-libc_r             link libc_r if possible (FreeBSD only)], [
+	[  --with-libc_r           link libc_r if possible (FreeBSD only)], [
 	case $withval in
 	yes) with_libc_r=yes;;
 	*)   with_libc_r=no;;
@@ -301,7 +301,7 @@ AC_FUNC_FSEEKO
 AC_CHECK_FUNCS(ftello)
 AC_REPLACE_FUNCS(dup2 memmove mkdir strcasecmp strncasecmp strerror strftime\
 		 strchr strstr strtoul crypt flock vsnprintf\
-		 isinf isnan finite hypot)
+		 isinf isnan finite hypot acosh)
 AC_CHECK_FUNCS(fmod killpg drand48 random wait4 waitpid syscall chroot fsync\
 	      truncate chsize times utimes fcntl lockf lstat symlink readlink\
 	      setitimer setruid seteuid setreuid setresuid setproctitle\
@@ -522,7 +522,7 @@ dnl default value for $KANJI
 DEFAULT_KCODE="KCODE_NONE"
 
 AC_ARG_WITH(default-kcode, 
-	[--with-default-kcode=CODE specify default value for \$KCODE (utf8|euc|sjis|none)], 
+	[  --with-default-kcode=CODE specify default value for \$KCODE (utf8|euc|sjis|none)], 
 	[case $withval in
 	utf8) DEFAULT_KCODE="KCODE_UTF8";;
 	euc)  DEFAULT_KCODE="KCODE_EUC";;
@@ -534,7 +534,7 @@ AC_DEFINE_UNQUOTED(DEFAULT_KCODE, $DEFAULT_KCODE)
 
 dnl wheather use dln_a_out or not
 AC_ARG_WITH(dln-a-out, 
-	[--with-dln-a-out          use dln_a_out if possible], [
+	[  --with-dln-a-out        use dln_a_out if possible], [
 	case $withval in
 	yes) with_dln_a_out=yes;;
 	*)   with_dln_a_out=no;;
@@ -801,7 +801,7 @@ esac
 EXTSTATIC=
 AC_SUBST(EXTSTATIC)dnl
 AC_ARG_WITH(static-linked-ext,
-	    [--with-static-linked-ext  link external modules statically],
+	    [  --with-static-linked-ext link external modules statically],
             [case $withval in
 	     yes) STATIC=
 		  EXTSTATIC=static;;
@@ -911,7 +911,7 @@ LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).so'
 ENABLE_SHARED=no
 
 AC_ARG_ENABLE(shared,
-       [--enable-shared           build a shared library for Ruby. ],
+       [  --enable-shared         build a shared library for Ruby. ],
        [enable_shared=$enableval])
 if test "$enable_shared" = 'yes'; then
   LIBRUBY='$(LIBRUBY_SO)'
@@ -1097,7 +1097,7 @@ esac
 RUBY_LIB_PATH="${RUBY_LIB_PREFIX}/${MAJOR}.${MINOR}"
 
 AC_ARG_WITH(sitedir,
-	    [--with-sitedir=DIR        site libraries in DIR [PREFIX/lib/ruby/site_ruby]],
+	    [  --with-sitedir=DIR      site libraries in DIR [PREFIX/lib/ruby/site_ruby]],
             [sitedir=$withval],
             [sitedir='${prefix}/lib/ruby/site_ruby'])
 SITE_DIR="`eval \"echo ${sitedir}\"`"
@@ -1138,7 +1138,7 @@ AC_DEFINE_UNQUOTED(RUBY_ARCHLIB, "${RUBY_LIB_PATH}/${arch}")
 AC_DEFINE_UNQUOTED(RUBY_SITE_ARCHLIB, "${RUBY_SITE_LIB_PATH2}/${arch}")
 
 AC_ARG_WITH(search-path,
-		[--with-search-path=DIR	  specify the additional search path],
+		[  --with-search-path=DIR specify the additional search path],
 		[search_path=$withval])
 if test "$search_path" != ""; then
     AC_DEFINE_UNQUOTED(RUBY_SEARCH_PATH,"$search_path")

missing/acosh.c

@@ -0,0 +1,88 @@
+/**********************************************************************
+
+  acosh.c -
+
+  $Author$
+  $Date$
+  created at: Fri Apr 12 00:34:17 JST 2002
+
+  public domain rewrite of acosh(3), asinh(3) and atanh(3)
+
+**********************************************************************/
+
+#include <errno.h>
+#include <float.h>
+#include <math.h>
+
+/* DBL_MANT_DIG must be less than 4 times of bits of int */
+#ifdef DBL_MANT_DIG
+#define DBL_MANT_DIG 53		/* in this case, at least 12 digit precision */
+#endif
+#define BIG_CRITERIA_BIT (1<<DBL_MANT_DIG/2)
+#if BIG_CRITERIA_BIT > 0
+#define BIG_CRITERIA (1.0*BIG_CRITERIA_BIT)
+#else
+#define BIG_CRITERIA (1.0*(1<<DBL_MANT_DIG/4)*(1<<(DBL_MANT_DIG/2+1-DBL_MANT_DIG/4)))
+#endif
+#define SMALL_CRITERIA_BIT (1<<(DBL_MANT_DIG/3))
+#if SMALL_CRITERIA_BIT > 0
+#define SMALL_CRITERIA (1.0/SMALL_CRITERIA_BIT)
+#else
+#define SMALL_CRITERIA (1.0*(1<<DBL_MANT_DIG/4)*(1<<(DBL_MANT_DIG/3+1-DBL_MANT_DIG/4)))
+#endif
+
+#ifndef HAVE_ACOSH
+double
+acosh(x)
+    double x;
+{
+    if (x < 1)
+	x = -1;			/* NaN */
+    else if (x == 1)
+	return 0;
+    else if (x > BIG_CRITERIA)
+	x += x;
+    else
+	x += sqrt((x + 1) * (x - 1));
+    return log(x);
+}
+#endif
+
+#ifndef HAVE_ASINH
+double
+asinh(x)
+    double x;
+{
+    int neg = x < 0;
+    double z = fabs(x);
+
+    if (z < SMALL_CRITERIA) return x;
+    if (z < (1.0/(1<<DBL_MANT_DIG/5))) {
+	double x2 = z * z;
+	z *= 1 + x2 * (-1.0/6.0 + x2 * 3.0/40.0);
+    }
+    else if (z > BIG_CRITERIA) {
+	z = log(z + z);
+    }
+    else {
+	z = log(z + sqrt(z * z + 1));
+    }
+    if (neg) z = -z;
+    return z;
+}
+#endif
+
+#ifndef HAVE_ATANH
+double
+atanh(x)
+    double x;
+{
+    int neg = x < 0;
+    double z = fabs(x);
+
+    if (z < SMALL_CRITERIA) return x;
+    z = log(z > 1 ? -1 : (1 + z) / (1 - z)) / 2;
+    if (neg) z = -z;
+    return z;
+}
+#endif