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38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package f64 implements float64 vector and matrix types.
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package f64 // import "golang.org/x/image/math/f64"
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// Vec2 is a 2-element vector.
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type Vec2 [2]float64
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// Vec3 is a 3-element vector.
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type Vec3 [3]float64
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// Vec4 is a 4-element vector.
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type Vec4 [4]float64
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// Mat3 is a 3x3 matrix in row major order.
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//
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// m[3*r + c] is the element in the r'th row and c'th column.
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type Mat3 [9]float64
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// Mat4 is a 4x4 matrix in row major order.
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//
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// m[4*r + c] is the element in the r'th row and c'th column.
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type Mat4 [16]float64
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// Aff3 is a 3x3 affine transformation matrix in row major order, where the
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// bottom row is implicitly [0 0 1].
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//
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// m[3*r + c] is the element in the r'th row and c'th column.
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type Aff3 [6]float64
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// Aff4 is a 4x4 affine transformation matrix in row major order, where the
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// bottom row is implicitly [0 0 0 1].
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//
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// m[4*r + c] is the element in the r'th row and c'th column.
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type Aff4 [12]float64
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