tree 8803274fe0f6b725d0b978f1b4e0ab2e44c7791f
parent 94b5ad31f4e6bd0a93b8b156e7274e8aae7e2535
author Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1029355645 -0300
committer Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1029355645 -0300

some corrections + angles in radians