| // Copyright ©2016 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. |
| |
| //go:build !noasm && !gccgo && !safe |
| // +build !noasm,!gccgo,!safe |
| |
| package f32 |
| |
| // AxpyUnitary is |
| // |
| // for i, v := range x { |
| // y[i] += alpha * v |
| // } |
| func AxpyUnitary(alpha float32, x, y []float32) |
| |
| // AxpyUnitaryTo is |
| // |
| // for i, v := range x { |
| // dst[i] = alpha*v + y[i] |
| // } |
| func AxpyUnitaryTo(dst []float32, alpha float32, x, y []float32) |
| |
| // AxpyInc is |
| // |
| // for i := 0; i < int(n); i++ { |
| // y[iy] += alpha * x[ix] |
| // ix += incX |
| // iy += incY |
| // } |
| func AxpyInc(alpha float32, x, y []float32, n, incX, incY, ix, iy uintptr) |
| |
| // 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 []float32, incDst, idst uintptr, alpha float32, x, y []float32, n, incX, incY, ix, iy uintptr) |
| |
| // DdotUnitary is |
| // |
| // for i, v := range x { |
| // sum += float64(y[i]) * float64(v) |
| // } |
| // return |
| func DdotUnitary(x, y []float32) (sum float64) |
| |
| // DdotInc is |
| // |
| // for i := 0; i < int(n); i++ { |
| // sum += float64(y[iy]) * float64(x[ix]) |
| // ix += incX |
| // iy += incY |
| // } |
| // return |
| func DdotInc(x, y []float32, n, incX, incY, ix, iy uintptr) (sum float64) |
| |
| // DotUnitary is |
| // |
| // for i, v := range x { |
| // sum += y[i] * v |
| // } |
| // return sum |
| func DotUnitary(x, y []float32) (sum float32) |
| |
| // DotInc is |
| // |
| // for i := 0; i < int(n); i++ { |
| // sum += y[iy] * x[ix] |
| // ix += incX |
| // iy += incY |
| // } |
| // return sum |
| func DotInc(x, y []float32, n, incX, incY, ix, iy uintptr) (sum float32) |
| |
| // Sum is |
| // |
| // var sum float32 |
| // for _, v := range x { |
| // sum += v |
| // } |
| // return sum |
| func Sum(x []float32) float32 |
