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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2002-04-12 03:24:52 +00:00
parent 1aa67cb1d3
commit be5524ae41
5 changed files with 119 additions and 11 deletions
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13
ChangeLog
View file

@ -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.

1
MANIFEST
View file

@ -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

6
Makefile.in
View file

@ -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

22
configure.in
View file

@ -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")

88
missing/acosh.c Normal file
View file

@ -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