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| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-12-27 01:37:23 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-12-27 01:37:23 +0000 |
| commit | 98cdc13819eaade3271cfb7768bb4b563da54a39 (patch) | |
| tree | ffd599a52fc4452e61f091b44bb3ac6fb1ecd755 | |
| parent | b93580b1b566f81757c4c14ced35c0c83e39759b (diff) | |
| download | ruby-98cdc13819eaade3271cfb7768bb4b563da54a39.tar.gz ruby-98cdc13819eaade3271cfb7768bb4b563da54a39.tar.xz ruby-98cdc13819eaade3271cfb7768bb4b563da54a39.zip | |
rdoc update.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@26183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | math.c | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -67,6 +67,17 @@ infinity_check(VALUE arg, double res, const char *msg) * Computes the arc tangent given <i>y</i> and <i>x</i>. Returns * -PI..PI. * + * Math.atan2(-0.0, -1.0) #=> -3.141592653589793 + * Math.atan2(-1.0, -1.0) #=> -2.356194490192345 + * Math.atan2(-1.0, 0.0) #=> -1.5707963267948966 + * Math.atan2(-1.0, 1.0) #=> -0.7853981633974483 + * Math.atan2(-0.0, 1.0) #=> -0.0 + * Math.atan2(0.0, 1.0) #=> 0.0 + * Math.atan2(1.0, 1.0) #=> 0.7853981633974483 + * Math.atan2(1.0, 0.0) #=> 1.5707963267948966 + * Math.atan2(1.0, -1.0) #=> 2.356194490192345 + * Math.atan2(0.0, -1.0) #=> 3.141592653589793 + * */ static VALUE |