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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-06-09 23:18:04 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-06-09 23:18:04 +0000 |
commit | 3e5f70a8153f8ec955af1c6bc721f2e3ea1814a5 (patch) | |
tree | 29da7e6c2a3d146f50323f12573e3ba4fb5bbb64 /math.c | |
parent | 4b731d3bc973dae866211d6f6f9574300718cfe7 (diff) | |
download | ruby-3e5f70a8153f8ec955af1c6bc721f2e3ea1814a5.tar.gz |
* math.c (log2): may be a macro.
* parse.y (args, block_param, f_args): pass f_post_arg to #params.
* util.c (powersOf10): constified.
* ext/readline/readline.c: include extconf.h first.
* ext/ripper/eventids2.c: removed tLAMBDA_ARG.
* ext/tk/tcltklib.c (lib_fromUTF8_core): removed conflict.
* ext/tk/tkutil/tkutil.c (cbsubst_get_subst_arg): rb_id2name() is
defined as const now.
* ext/win32ole/win32ole.c (fole_missing): ditto.
* lib/mkmf.rb (create_makefile): force to create extconf header.
* lib/optparse.rb (order!): use Proc#yield.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'math.c')
-rw-r--r-- | math.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -322,12 +322,16 @@ math_log(int argc, VALUE *argv) return rb_float_new(d); } +#ifndef log2 #ifndef HAVE_LOG2 double log2(double x) { return log10(x)/log10(2.0); } +#else +extern double log2(double); +#endif #endif /* @@ -340,7 +344,6 @@ log2(double x) static VALUE math_log2(VALUE obj, VALUE x) { - extern double log2(double); double d; Need_Float(x); |