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math/f32, math/f64: add a comment that "Aff" stands for affine

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transformation.

Change-Id: Ia5762d0578f78b17d85f4a952b397a05e6927bd0
Reviewed-on: https://go-review.googlesource.com/6914
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Nigel Tao 2015-03-06 11:37:34 +11:00
parent 93a98e7805
commit 7bd522e167
2 changed files with 8 additions and 8 deletions
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8
math/f32/f32.go
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@ -24,14 +24,14 @@ type Mat3 [9]float32
// m[4*r + c] is the element in the r'th row and c'th column. // m[4*r + c] is the element in the r'th row and c'th column.
type Mat4 [16]float32 type Mat4 [16]float32
// Aff3 is a 3x3 matrix in row major order, where the bottom row // Aff3 is a 3x3 affine transformation matrix in row major order, where the
// is implicitly [0 0 1]. // bottom row is implicitly [0 0 1].
// //
// m[3*r + c] is the element in the r'th row and c'th column. // m[3*r + c] is the element in the r'th row and c'th column.
type Aff3 [6]float32 type Aff3 [6]float32
// Aff4 is a 4x4 matrix in row major order, where the bottom row // Aff4 is a 4x4 affine transformation matrix in row major order, where the
// is implicitly [0 0 0 1]. // bottom row is implicitly [0 0 0 1].
// //
// m[4*r + c] is the element in the r'th row and c'th column. // m[4*r + c] is the element in the r'th row and c'th column.
type Aff4 [12]float32 type Aff4 [12]float32

8
math/f64/f64.go
View File

@ -24,14 +24,14 @@ type Mat3 [9]float64
// m[4*r + c] is the element in the r'th row and c'th column. // m[4*r + c] is the element in the r'th row and c'th column.
type Mat4 [16]float64 type Mat4 [16]float64
// Aff3 is a 3x3 matrix in row major order, where the bottom row // Aff3 is a 3x3 affine transformation matrix in row major order, where the
// is implicitly [0 0 1]. // bottom row is implicitly [0 0 1].
// //
// m[3*r + c] is the element in the r'th row and c'th column. // m[3*r + c] is the element in the r'th row and c'th column.
type Aff3 [6]float64 type Aff3 [6]float64
// Aff4 is a 4x4 matrix in row major order, where the bottom row // Aff4 is a 4x4 affine transformation matrix in row major order, where the
// is implicitly [0 0 0 1]. // bottom row is implicitly [0 0 0 1].
// //
// m[4*r + c] is the element in the r'th row and c'th column. // m[4*r + c] is the element in the r'th row and c'th column.
type Aff4 [12]float64 type Aff4 [12]float64