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* numeric.c (flo_round): use pow instead of while-loop. fixes #4510

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patched by Alex Young [ruby-core:35526]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31146 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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naruse 2011-03-22 01:08:49 +00:00
parent 12d1744953
commit 2c1936cf87
2 changed files with 7 additions and 5 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Tue Mar 22 09:38:19 2011 NARUSE, Yui <naruse@ruby-lang.org>
* numeric.c (flo_round): use pow instead of while-loop. fixes #4510
patched by Alex Young [ruby-core:35526]
Tue Mar 22 06:47:46 2011 NARUSE, Yui <naruse@ruby-lang.org>
* ext/date/date_strftime.c (date_strftime_wo_timespec):

7
numeric.c
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@ -1479,17 +1479,14 @@ flo_round(int argc, VALUE *argv, VALUE num)
{
VALUE nd;
double number, f;
int ndigits = 0, i;
int ndigits = 0;
long val;
if (argc > 0 && rb_scan_args(argc, argv, "01", &nd) == 1) {
ndigits = NUM2INT(nd);
}
number = RFLOAT_VALUE(num);
f = 1.0;
i = abs(ndigits);
while (--i >= 0)
f = f*10.0;
f = pow(10, abs(ndigits));
if (isinf(f)) {
if (ndigits < 0) number = 0;