| // Copyright ©2015 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 gccgo safe |
| |
| package f64 |
| |
| // AxpyUnitary is |
| // for i, v := range x { |
| // y[i] += alpha * v |
| // } |
| func AxpyUnitary(alpha float64, x, y []float64) { |
| 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 []float64, alpha float64, x, y []float64) { |
| 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 float64, x, y []float64, 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 []float64, incDst, idst uintptr, alpha float64, x, y []float64, 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 |
| } |
| } |
