| // Copyright ©2014 The gonum Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package gonum |
| |
| import ( |
| "math" |
| ) |
| |
| type general64 struct { |
| data []float64 |
| rows, cols int |
| stride int |
| } |
| |
| func (g general64) clone() general64 { |
| data := make([]float64, len(g.data)) |
| copy(data, g.data) |
| return general64{ |
| data: data, |
| rows: g.rows, |
| cols: g.cols, |
| stride: g.stride, |
| } |
| } |
| |
| func (g general64) equal(a general64) bool { |
| if g.rows != a.rows || g.cols != a.cols || g.stride != a.stride { |
| return false |
| } |
| for i, v := range g.data { |
| if a.data[i] != v { |
| return false |
| } |
| } |
| return true |
| } |
| |
| func (g general64) equalWithinAbs(a general64, tol float64) bool { |
| if g.rows != a.rows || g.cols != a.cols || g.stride != a.stride { |
| return false |
| } |
| for i, v := range g.data { |
| if math.Abs(a.data[i]-v) > tol { |
| return false |
| } |
| } |
| return true |
| } |