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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 ©2015 The gonum 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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//+build !amd64 noasm appengine
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package f64
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// AxpyUnitary is
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// for i, v := range x {
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// y[i] += alpha * v
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// }
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func AxpyUnitary(alpha float64, x, y []float64) {
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for i, v := range x {
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y[i] += alpha * v
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}
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}
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// AxpyUnitaryTo is
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// for i, v := range x {
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// dst[i] = alpha*v + y[i]
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// }
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func AxpyUnitaryTo(dst []float64, alpha float64, x, y []float64) {
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for i, v := range x {
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dst[i] = alpha*v + y[i]
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}
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}
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// AxpyInc is
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// for i := 0; i < int(n); i++ {
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// y[iy] += alpha * x[ix]
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// ix += incX
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// iy += incY
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// }
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func AxpyInc(alpha float64, x, y []float64, n, incX, incY, ix, iy uintptr) {
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for i := 0; i < int(n); i++ {
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y[iy] += alpha * x[ix]
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ix += incX
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iy += incY
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}
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}
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// AxpyIncTo is
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// for i := 0; i < int(n); i++ {
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// dst[idst] = alpha*x[ix] + y[iy]
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// ix += incX
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// iy += incY
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// idst += incDst
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// }
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func AxpyIncTo(dst []float64, incDst, idst uintptr, alpha float64, x, y []float64, n, incX, incY, ix, iy uintptr) {
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for i := 0; i < int(n); i++ {
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dst[idst] = alpha*x[ix] + y[iy]
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ix += incX
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iy += incY
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idst += incDst
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}
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}
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