diff options
-rw-r--r-- | ChangeLog | 19 | ||||
-rw-r--r-- | configure.in | 2 | ||||
-rw-r--r-- | numeric.c | 40 | ||||
-rw-r--r-- | version.h | 2 |
4 files changed, 53 insertions, 10 deletions
@@ -1,3 +1,22 @@ +Sun Jun 8 03:34:23 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * numeric.c (round): fallback definition. + + * numeric.c (flo_divmod, flo_round): use round() always. + [ruby-dev:32269] + +Sun Jun 8 03:34:23 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * numeric.c (flodivmod): work around for inifinity. + + * numeric.c (flo_divmod): work around for platforms have no round(). + [ruby-dev:32247] + +Sun Jun 8 03:34:23 2008 URABE Shyouhei <shyouhei@ice.uec.ac.jp> + + * numeric.c (flo_divmod): round to the nearest integer. + [ ruby-Bugs-14540 ] + Sun Jun 8 03:08:11 2008 Yukihiro Matsumoto <matz@ruby-lang.org> * lib/rexml/encodings/SHIFT-JIS.rb (REXML::Encoding): place -x for diff --git a/configure.in b/configure.in index 3dbb527849..47edc9bb9b 100644 --- a/configure.in +++ b/configure.in @@ -492,7 +492,7 @@ AC_CHECK_FUNCS(fmod killpg wait4 waitpid syscall chroot fsync getcwd eaccess\ getgroups setgroups getpriority getrlimit setrlimit sysconf\ group_member dlopen sigprocmask\ sigaction _setjmp setsid telldir seekdir fchmod mktime timegm\ - cosh sinh tanh setuid setgid setenv unsetenv) + cosh sinh tanh round setuid setgid setenv unsetenv) AC_ARG_ENABLE(setreuid, [ --enable-setreuid use setreuid()/setregid() according to need even if obsolete.], [use_setreuid=$enableval]) @@ -63,6 +63,25 @@ #define DBL_EPSILON 2.2204460492503131e-16 #endif +#ifndef HAVE_ROUND +double +round(x) + double x; +{ + double f; + + if (x > 0.0) { + f = floor(x); + x = f + (x - f >= 0.5); + } + else if (x < 0.0) { + f = ceil(x); + x = f - (f - x >= 0.5); + } + return x; +} +#endif + static ID id_coerce, id_to_i, id_eq; VALUE rb_cNumeric; @@ -662,7 +681,10 @@ flodivmod(x, y, divp, modp) mod = x - z * y; } #endif - div = (x - mod) / y; + if (isinf(x) && !isinf(y) && !isnan(y)) + div = x; + else + div = (x - mod) / y; if (y*mod < 0) { mod += y; div -= 1.0; @@ -735,11 +757,14 @@ flo_divmod(x, y) } flodivmod(RFLOAT(x)->value, fy, &div, &mod); if (FIXABLE(div)) { - val = div; - a = LONG2FIX(val); + val = round(div); + a = LONG2FIX(val); + } + else if (isnan(div) || isinf(div)) { + a = rb_float_new(div); } else { - a = rb_dbl2big(div); + a = rb_dbl2big(div); } b = rb_float_new(mod); return rb_assoc_new(a, b); @@ -1291,8 +1316,7 @@ flo_round(num) double f = RFLOAT(num)->value; long val; - if (f > 0.0) f = floor(f+0.5); - if (f < 0.0) f = ceil(f-0.5); + f = round(f); if (!FIXABLE(f)) { return rb_dbl2big(f); @@ -1530,7 +1554,7 @@ rb_num2long(val) char *s; sprintf(buf, "%-.10g", RFLOAT(val)->value); - if (s = strchr(buf, ' ')) *s = '\0'; + if ((s = strchr(buf, ' ')) != 0) *s = '\0'; rb_raise(rb_eRangeError, "float %s out of range of integer", buf); } @@ -1681,7 +1705,7 @@ rb_num2ll(val) char *s; sprintf(buf, "%-.10g", RFLOAT(val)->value); - if (s = strchr(buf, ' ')) *s = '\0'; + if ((s = strchr(buf, ' ')) != 0) *s = '\0'; rb_raise(rb_eRangeError, "float %s out of range of long long", buf); } @@ -2,7 +2,7 @@ #define RUBY_RELEASE_DATE "2008-06-08" #define RUBY_VERSION_CODE 185 #define RUBY_RELEASE_CODE 20080608 -#define RUBY_PATCHLEVEL 142 +#define RUBY_PATCHLEVEL 145 #define RUBY_VERSION_MAJOR 1 #define RUBY_VERSION_MINOR 8 |