diff options
author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-03-22 01:08:49 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-03-22 01:08:49 +0000 |
commit | 2c1936cf87184470308b6bf3f0fe70f1a99936af (patch) | |
tree | 5106a7c0d110bdeb516cec6a948803901cb737a5 | |
parent | 12d17449532803979139cce212124f0e17a4728d (diff) |
* numeric.c (flo_round): use pow instead of while-loop. fixes #4510
patched by Alex Young [ruby-core:35526]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31146 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | numeric.c | 7 |
2 files changed, 7 insertions, 5 deletions
@@ -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): @@ -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; |