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56 lines
1.1 KiB
Go
56 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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package c64
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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 complex64, x []complex64) {
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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 []complex64, alpha complex64, x []complex64) {
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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 complex64, x []complex64, 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 []complex64, incDst uintptr, alpha complex64, x []complex64, 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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