GerHobbelt/excanvas — pull request #1 by LeoDutra (2013-12-11 21:18:54+00:00)
Title: Optimizations.

- Removed unused `var IE_VERSION`;
- `++i` is faster on IE 8-;
- faster clamp (inline `if` > `Math.max/min` on IE8- | jsperf.com);
- very fast `matrixMultiply()` (expanded calculations).