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-rw-r--r--ChangeLog13
-rw-r--r--MANIFEST1
-rw-r--r--Makefile.in6
-rw-r--r--configure.in22
-rw-r--r--missing/acosh.c88
5 files changed, 119 insertions, 11 deletions
diff --git a/ChangeLog b/ChangeLog
index 0d75f673cd..82136c2d3f 100644
--- a/ChangeLog
+++ b/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.
diff --git a/MANIFEST b/MANIFEST
index 1be7ecbc7a..5d656879f2 100644
--- a/MANIFEST
+++ b/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
diff --git a/Makefile.in b/Makefile.in
index 4663a65b2a..fd02b46874 100644
--- a/Makefile.in
+++ b/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
diff --git a/configure.in b/configure.in
index b4d0b5110f..a172b79bfc 100644
--- a/configure.in
+++ b/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")
diff --git a/missing/acosh.c b/missing/acosh.c
new file mode 100644
index 0000000000..6a9daffa5f
--- /dev/null
+++ b/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
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