ebiten/internal/affine/affine.go
2018-08-06 01:44:31 +09:00

30 lines
896 B
Go

// Copyright 2014 Hajime Hoshi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package affine
func mulSquare(lhs, rhs []float32, dim int) []float32 {
result := make([]float32, len(lhs))
for i := 0; i < dim; i++ {
for j := 0; j < dim; j++ {
e := float32(0.0)
for k := 0; k < dim; k++ {
e += lhs[i*dim+k] * rhs[k*dim+j]
}
result[i*dim+j] = e
}
}
return result
}