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ec100cf00f
Improved function documentation Fixed dlarfb and dlarft and added full tests Added dgelq2 Working Dgels Fix many comments and tests Many PR comment responses Responded to more PR comments Many PR comments
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
// Copyright ©2015 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 lapack
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import "github.com/gonum/blas"
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const None = 'N'
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type Job byte
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// CompSV determines if the singular values are to be computed in compact form.
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type CompSV byte
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const (
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Compact CompSV = 'P'
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Explicit CompSV = 'I'
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)
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// Complex128 defines the public complex128 LAPACK API supported by gonum/lapack.
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type Complex128 interface{}
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// Float64 defines the public float64 LAPACK API supported by gonum/lapack.
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type Float64 interface {
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Dpotrf(ul blas.Uplo, n int, a []float64, lda int) (ok bool)
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}
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// Direct specifies the direction of the multiplication for the Householder matrix.
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type Direct byte
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const (
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Forward Direct = 'F' // Reflectors are right-multiplied, H_1 * H_2 * ... * H_k
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Backward Direct = 'B' // Reflectors are left-multiplied, H_k * ... * H_2 * H_1
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)
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// StoreV indicates the storage direction of elementary reflectors.
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type StoreV byte
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const (
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ColumnWise StoreV = 'C' // Reflector stored in a column of the matrix.
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RowWise StoreV = 'R' // Reflector stored in a row of the matrix.
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)
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// MatrixNorm represents the kind of matrix norm to compute.
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type MatrixNorm byte
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const (
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MaxAbs MatrixNorm = 'M' // max(abs(A(i,j))) ('M')
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MaxColumnSum MatrixNorm = 'O' // Maximum column sum (one norm) ('1', 'O')
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MaxRowSum MatrixNorm = 'I' // Maximum row sum (infinity norm) ('I', 'i')
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NormFrob MatrixNorm = 'F' // Frobenium norm (sqrt of sum of squares) ('F', 'f', E, 'e')
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)
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// MatrixType represents the kind of matrix represented in the data.
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type MatrixType byte
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const (
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General MatrixType = 'G' // A dense matrix (like blas64.General).
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)
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