mirror of
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c70431e9bd
This is a synonym for noasm since gccgo (and gollvm) do not use plan9 assembly, so we just prevent those compilers from looking at asm files.
114 lines
2.2 KiB
Go
114 lines
2.2 KiB
Go
// Copyright ©2016 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 gccgo safe
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package f32
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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 float32, x, y []float32) {
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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 []float32, alpha float32, x, y []float32) {
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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 float32, x, y []float32, 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 []float32, incDst, idst uintptr, alpha float32, x, y []float32, 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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// DotUnitary is
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// for i, v := range x {
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// sum += y[i] * v
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// }
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// return sum
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func DotUnitary(x, y []float32) (sum float32) {
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for i, v := range x {
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sum += y[i] * v
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}
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return sum
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}
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// DotInc is
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// for i := 0; i < int(n); i++ {
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// sum += y[iy] * x[ix]
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// ix += incX
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// iy += incY
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// }
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// return sum
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func DotInc(x, y []float32, n, incX, incY, ix, iy uintptr) (sum float32) {
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for i := 0; i < int(n); i++ {
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sum += y[iy] * x[ix]
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ix += incX
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iy += incY
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}
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return sum
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}
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// DdotUnitary is
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// for i, v := range x {
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// sum += float64(y[i]) * float64(v)
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// }
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// return
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func DdotUnitary(x, y []float32) (sum float64) {
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for i, v := range x {
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sum += float64(y[i]) * float64(v)
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}
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return
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}
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// DdotInc is
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// for i := 0; i < int(n); i++ {
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// sum += float64(y[iy]) * float64(x[ix])
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// ix += incX
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// iy += incY
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// }
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// return
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func DdotInc(x, y []float32, n, incX, incY, ix, iy uintptr) (sum float64) {
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for i := 0; i < int(n); i++ {
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sum += float64(y[iy]) * float64(x[ix])
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ix += incX
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iy += incY
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}
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return
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}
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