diff options
| author | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-24 05:30:42 +0000 |
|---|---|---|
| committer | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-24 05:30:42 +0000 |
| commit | 161ece479598629f4ace4fa23bfea7bc1331a8a0 (patch) | |
| tree | a1a53636ef96bae6dc16fef9ec3ff0e3559bb3d6 /numeric.c | |
| parent | c56f61161a7baefb3d1ed3f815e5dc544b3accd6 (diff) | |
| download | ruby-161ece479598629f4ace4fa23bfea7bc1331a8a0.tar.gz | |
numeric.c: Fix negative step with float components
* numeric.c (ruby_float_step): fix negative step with float components.
* test/ruby/test_numeric.c (test_step_bug15537): add tests.
* test/ruby/test_range.c (test_step_bug15537): add tests.
[Bug #15537] [ruby-core:91101]
From: shuujii (Shuji KOBAYASHI) <shuujii@gmail.com>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66914 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
| -rw-r--r-- | numeric.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -2514,9 +2514,9 @@ int ruby_float_step(VALUE from, VALUE to, VALUE step, int excl, int allow_endless) { if (RB_TYPE_P(from, T_FLOAT) || RB_TYPE_P(to, T_FLOAT) || RB_TYPE_P(step, T_FLOAT)) { - double beg = NUM2DBL(from); - double end = (allow_endless && NIL_P(to)) ? HUGE_VAL : NUM2DBL(to); double unit = NUM2DBL(step); + double beg = NUM2DBL(from); + double end = (allow_endless && NIL_P(to)) ? (unit < 0 ? -1 : 1)*HUGE_VAL : NUM2DBL(to); double n = ruby_float_step_size(beg, end, unit, excl); long i; |