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author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-07 07:03:50 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-07 07:03:50 +0000 |
commit | 172d8f9b6eb3d0af7f451e505fd3a5c2e438215e (patch) | |
tree | 561a74deefa3392657bacb05e11df25d99795775 /numeric.c | |
parent | 043c0eaac0e63eacc5da6624432420a903e8f2d6 (diff) | |
download | ruby-172d8f9b6eb3d0af7f451e505fd3a5c2e438215e.tar.gz |
* numeric.c (ruby_float_step): fix r37514: it yielded with NaN
if the unit is infinity.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37537 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 14 |
1 files changed, 10 insertions, 4 deletions
@@ -1755,10 +1755,16 @@ ruby_float_step(VALUE from, VALUE to, VALUE step, int excl) double n = ruby_float_step_size(beg, end, unit, excl); long i; - for (i=0; i<n; i++) { - double d = i*unit+beg; - if (unit >= 0 ? end < d : d < end) d = end; - rb_yield(DBL2NUM(d)); + if (isinf(unit)) { + /* if unit is infinity, i*unit+beg is NaN */ + if (n) rb_yield(DBL2NUM(beg)); + } + else { + for (i=0; i<n; i++) { + double d = i*unit+beg; + if (unit >= 0 ? end < d : d < end) d = end; + rb_yield(DBL2NUM(d)); + } } return TRUE; } |