Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / lapack / gonum / dormr2.go

diff --git a/vendor/gonum.org/v1/gonum/lapack/gonum/dormr2.go b/vendor/gonum.org/v1/gonum/lapack/gonum/dormr2.go
deleted file mode 100644 (file)
index 3a6b433..0000000
--- a/vendor/gonum.org/v1/gonum/lapack/gonum/dormr2.go
+++ /dev/null
@@ -1,93 +0,0 @@
-// 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 gonum
-
-import "gonum.org/v1/gonum/blas"
-
-// Dormr2 multiplies a general matrix C by an orthogonal matrix from a RQ factorization
-// determined by Dgerqf.
-//  C = Q * C    if side == blas.Left and trans == blas.NoTrans
-//  C = Q^T * C  if side == blas.Left and trans == blas.Trans
-//  C = C * Q    if side == blas.Right and trans == blas.NoTrans
-//  C = C * Q^T  if side == blas.Right and trans == blas.Trans
-// If side == blas.Left, a is a matrix of size k×m, and if side == blas.Right
-// a is of size k×n.
-//
-// tau contains the Householder factors and is of length at least k and this function
-// will panic otherwise.
-//
-// work is temporary storage of length at least n if side == blas.Left
-// and at least m if side == blas.Right and this function will panic otherwise.
-//
-// Dormr2 is an internal routine. It is exported for testing purposes.
-func (impl Implementation) Dormr2(side blas.Side, trans blas.Transpose, m, n, k int, a []float64, lda int, tau, c []float64, ldc int, work []float64) {
-       if side != blas.Left && side != blas.Right {
-               panic(badSide)
-       }
-       if trans != blas.Trans && trans != blas.NoTrans {
-               panic(badTrans)
-       }
-
-       left := side == blas.Left
-       notran := trans == blas.NoTrans
-       if left {
-               if k > m {
-                       panic(kGTM)
-               }
-               checkMatrix(k, m, a, lda)
-               if len(work) < n {
-                       panic(badWork)
-               }
-       } else {
-               if k > n {
-                       panic(kGTN)
-               }
-               checkMatrix(k, n, a, lda)
-               if len(work) < m {
-                       panic(badWork)
-               }
-       }
-       if len(tau) < k {
-               panic(badTau)
-       }
-       checkMatrix(m, n, c, ldc)
-
-       if m == 0 || n == 0 || k == 0 {
-               return
-       }
-       if left {
-               if notran {
-                       for i := k - 1; i >= 0; i-- {
-                               aii := a[i*lda+(m-k+i)]
-                               a[i*lda+(m-k+i)] = 1
-                               impl.Dlarf(side, m-k+i+1, n, a[i*lda:], 1, tau[i], c, ldc, work)
-                               a[i*lda+(m-k+i)] = aii
-                       }
-                       return
-               }
-               for i := 0; i < k; i++ {
-                       aii := a[i*lda+(m-k+i)]
-                       a[i*lda+(m-k+i)] = 1
-                       impl.Dlarf(side, m-k+i+1, n, a[i*lda:], 1, tau[i], c, ldc, work)
-                       a[i*lda+(m-k+i)] = aii
-               }
-               return
-       }
-       if notran {
-               for i := 0; i < k; i++ {
-                       aii := a[i*lda+(n-k+i)]
-                       a[i*lda+(n-k+i)] = 1
-                       impl.Dlarf(side, m, n-k+i+1, a[i*lda:], 1, tau[i], c, ldc, work)
-                       a[i*lda+(n-k+i)] = aii
-               }
-               return
-       }
-       for i := k - 1; i >= 0; i-- {
-               aii := a[i*lda+(n-k+i)]
-               a[i*lda+(n-k+i)] = 1
-               impl.Dlarf(side, m, n-k+i+1, a[i*lda:], 1, tau[i], c, ldc, work)
-               a[i*lda+(n-k+i)] = aii
-       }
-}