diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-02-13 09:11:11 +0000 |
---|---|---|
committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-02-13 09:11:11 +0000 |
commit | 937092b8203c373c919a6f307f91e17d4bec5bb1 (patch) | |
tree | 07a130b71a37018a9ffaf3f970f42d4348db3a78 /range.c | |
parent | 050f2d84603bd9b3761f1e498f81ce74719caeea (diff) | |
download | ruby-937092b8203c373c919a6f307f91e17d4bec5bb1.tar.gz |
* range.c (range_step): step might be float 0 < x < 1.
* eval.c (rb_thread_schedule): pause if no runnable thread when
there's only one thread.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3492 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'range.c')
-rw-r--r-- | range.c | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -242,13 +242,14 @@ range_step(argc, argv, range) } unit = NUM2LONG(step); - if (unit <= 0) { - rb_raise(rb_eArgError, "step can't be <= 0"); - } + if (unit < 0) { + rb_raise(rb_eArgError, "step can't be negative"); + } if (FIXNUM_P(b) && FIXNUM_P(e)) { /* fixnums are special */ long end = FIX2LONG(e); long i; + if (unit == 0) rb_raise(rb_eArgError, "step can't be 0"); if (!EXCL(range)) end += 1; for (i=FIX2LONG(b); i<end; i+=unit) { rb_yield(LONG2NUM(i)); @@ -257,6 +258,7 @@ range_step(argc, argv, range) else if (rb_obj_is_kind_of(b, rb_cNumeric)) { ID c = rb_intern(EXCL(range) ? "<" : "<="); + if (rb_equal(step, INT2FIX(0))) rb_raise(rb_eArgError, "step can't be 0"); while (RTEST(rb_funcall(b, c, 1, e))) { rb_yield(b); b = rb_funcall(b, '+', 1, step); @@ -266,6 +268,7 @@ range_step(argc, argv, range) VALUE args[5]; long iter[2]; + if (unit == 0) rb_raise(rb_eArgError, "step can't be 0"); args[0] = b; args[1] = e; args[2] = range; iter[0] = 1; iter[1] = unit; rb_iterate((VALUE(*)_((VALUE)))str_step, (VALUE)args, step_i, (VALUE)iter); @@ -273,6 +276,7 @@ range_step(argc, argv, range) else { long args[2]; + if (unit == 0) rb_raise(rb_eArgError, "step can't be 0"); if (!rb_respond_to(b, id_succ)) { rb_raise(rb_eTypeError, "cannot iterate from %s", rb_obj_classname(b)); |