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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.
58 lines
1.1 KiB
Go
58 lines
1.1 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 f64
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// ScalUnitary is
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// for i := range x {
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// x[i] *= alpha
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// }
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func ScalUnitary(alpha float64, x []float64) {
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for i := range x {
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x[i] *= alpha
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}
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}
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// ScalUnitaryTo is
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// for i, v := range x {
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// dst[i] = alpha * v
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// }
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func ScalUnitaryTo(dst []float64, alpha float64, x []float64) {
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for i, v := range x {
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dst[i] = alpha * v
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}
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}
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// ScalInc is
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// var ix uintptr
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// for i := 0; i < int(n); i++ {
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// x[ix] *= alpha
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// ix += incX
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// }
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func ScalInc(alpha float64, x []float64, n, incX uintptr) {
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var ix uintptr
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for i := 0; i < int(n); i++ {
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x[ix] *= alpha
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ix += incX
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}
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}
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// ScalIncTo is
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// var idst, ix uintptr
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// for i := 0; i < int(n); i++ {
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// dst[idst] = alpha * x[ix]
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// ix += incX
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// idst += incDst
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// }
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func ScalIncTo(dst []float64, incDst uintptr, alpha float64, x []float64, n, incX uintptr) {
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var idst, ix uintptr
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for i := 0; i < int(n); i++ {
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dst[idst] = alpha * x[ix]
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ix += incX
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idst += incDst
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}
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}
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