| // 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. |
| |
| package c128 |
| |
| // DotuUnitary is |
| // for i, v := range x { |
| // sum += y[i] * v |
| // } |
| // return sum |
| func DotuUnitary(x, y []complex128) (sum complex128) { |
| for i, v := range x { |
| sum += y[i] * v |
| } |
| return sum |
| } |
| |
| // DotuInc is |
| // for i := 0; i < int(n); i++ { |
| // sum += y[iy] * x[ix] |
| // ix += incX |
| // iy += incY |
| // } |
| // return sum |
| func DotuInc(x, y []complex128, n, incX, incY, ix, iy uintptr) (sum complex128) { |
| for i := 0; i < int(n); i++ { |
| sum += y[iy] * x[ix] |
| ix += incX |
| iy += incY |
| } |
| return sum |
| } |
