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4 Commits

Author SHA1 Message Date
Nigel Tao
2457abfa93 go.mobile/f32: add a f32.Bytes function. 
LGTM=crawshaw
R=crawshaw
CC=golang-codereviews
https://golang.org/cl/166720044
 2014-10-29 09:19:38 +11:00
Nigel Tao
ee31300452 go.mobile/f32: sin/cos look-up tables. 
benchmark        old ns/op     new ns/op     delta
BenchmarkSin     98156         32725         -66.66%

LGTM=crawshaw, minux
R=crawshaw, minux
CC=golang-codereviews
https://golang.org/cl/156590043
 2014-10-28 11:19:13 +11:00
Nigel Tao
6d01e6fdd5 go.mobile/f32: add Scale, Translate and Rotate methods to Affine. 
Also make Mat4 methods consistent with Affine's methods.

LGTM=crawshaw
R=crawshaw
CC=golang-codereviews
https://golang.org/cl/156000043
 2014-10-09 13:48:17 +11:00
David Crawshaw
7384be2e72 go.mobile/f32: float32 math library 
I apologise for the poor state of this library.
I hope to improve it significantly soon. Right
now it exists to support example/gopher and the
debug library.

LGTM=nigeltao
R=nigeltao, bryanturley
CC=adg, davidday, golang-codereviews
https://golang.org/cl/141440043
 2014-09-17 18:11:21 -04:00