diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-05-08 09:45:52 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-05-08 09:45:52 +0000 |
commit | 13230a3417e37edaf5cdfaedafde5b7e19a34e6e (patch) | |
tree | 0342b349f479ee241fbf0b04d31b7f1acdef0d64 /numeric.c | |
parent | 698a24674eb0707fdc8d934084932e845db955cd (diff) | |
download | ruby-13230a3417e37edaf5cdfaedafde5b7e19a34e6e.tar.gz |
* gc.c (rb_gc): check odd alignment stack on m68k machines.
* numeric.c (num_step): better error treatment of float values.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -919,13 +919,16 @@ num_step(argc, argv, from) } } else if (TYPE(from) == T_FLOAT || TYPE(to) == T_FLOAT || TYPE(step) == T_FLOAT) { + const double epsilon = DBL_EPSILON; double beg = NUM2DBL(from); double end = NUM2DBL(to); double unit = NUM2DBL(step); double n = (end - beg)/unit; + double err = (fabs(beg) + fabs(end) + fabs(end-beg)) / fabs(unit) * epsilon; long i; - n = n + 0.5; + if (err>0.5) err=0.5; + n = floor(n + err) + 1; for (i=0; i<n; i++) { rb_yield(rb_float_new(i*unit+beg)); } |