mirror of
https://github.com/gonum/gonum.git
synced 2025-10-21 14:19:35 +08:00

This documentation is intended to allow gonum developers to see exactly what an asm function is intended to do. They are not for external code consumers.
58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
// Copyright ©2016 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.
|
|
|
|
//+build !amd64 noasm appengine
|
|
|
|
package f32
|
|
|
|
// AxpyUnitary is
|
|
// for i, v := range x {
|
|
// y[i] += alpha * v
|
|
// }
|
|
func AxpyUnitary(alpha float32, x, y []float32) {
|
|
for i, v := range x {
|
|
y[i] += alpha * v
|
|
}
|
|
}
|
|
|
|
// AxpyUnitaryTo is
|
|
// for i, v := range x {
|
|
// dst[i] = alpha*v + y[i]
|
|
// }
|
|
func AxpyUnitaryTo(dst []float32, alpha float32, x, y []float32) {
|
|
for i, v := range x {
|
|
dst[i] = alpha*v + y[i]
|
|
}
|
|
}
|
|
|
|
// AxpyInc is
|
|
// for i := 0; i < int(n); i++ {
|
|
// y[iy] += alpha * x[ix]
|
|
// ix += incX
|
|
// iy += incY
|
|
// }
|
|
func AxpyInc(alpha float32, x, y []float32, n, incX, incY, ix, iy uintptr) {
|
|
for i := 0; i < int(n); i++ {
|
|
y[iy] += alpha * x[ix]
|
|
ix += incX
|
|
iy += incY
|
|
}
|
|
}
|
|
|
|
// AxpyIncTo is
|
|
// for i := 0; i < int(n); i++ {
|
|
// dst[idst] = alpha*x[ix] + y[iy]
|
|
// ix += incX
|
|
// iy += incY
|
|
// idst += incDst
|
|
// }
|
|
func AxpyIncTo(dst []float32, incDst, idst uintptr, alpha float32, x, y []float32, n, incX, incY, ix, iy uintptr) {
|
|
for i := 0; i < int(n); i++ {
|
|
dst[idst] = alpha*x[ix] + y[iy]
|
|
ix += incX
|
|
iy += incY
|
|
idst += incDst
|
|
}
|
|
}
|