tree 2023f091217d59f2dfdf50ae7566327aeed3021a
parent b137518d4734b730bc80d02ea19d2c8cd04f80fd
author Nigel Tao <nigeltao@golang.org> 1439775846 +1000
committer Nigel Tao <nigeltao@golang.org> 1439795826 +0000

math/fixed: add I and P helper functions.

The P function is especially common in e.g. Freetype code that works
with both the integer-pixel (X,Y) coordinates used by the stdlib image
package and sub-pixel (X,Y) coordinates used by its raster package.

Change-Id: I68be8ca71ceb24f40277ecc39a0896323f6671f5
Reviewed-on: https://go-review.googlesource.com/13652
Reviewed-by: Rob Pike <r@golang.org>