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Add comments on handling of zero-sized B matrix in ?GELSY (Reference-LAPACK PR 833) (#4056) 

* Add comment related to zero-sized matrix B
tags/v0.3.24
Martin Kroeker GitHub 3 years ago
parent
188889b3ee
commit
e728744bd6
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4 changed files with 8 additions and 0 deletions
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  1. +2
    -0
      lapack-netlib/SRC/cgelsy.f
  2. +2
    -0
      lapack-netlib/SRC/dgelsy.f
  3. +2
    -0
      lapack-netlib/SRC/sgelsy.f
  4. +2
    -0
      lapack-netlib/SRC/zgelsy.f

+ 2
- 0
lapack-netlib/SRC/cgelsy.f View File

@@ -116,6 +116,7 @@
*> B is COMPLEX array, dimension (LDB,NRHS) *> B is COMPLEX array, dimension (LDB,NRHS)
*> On entry, the M-by-NRHS right hand side matrix B. *> On entry, the M-by-NRHS right hand side matrix B.
*> On exit, the N-by-NRHS solution matrix X. *> On exit, the N-by-NRHS solution matrix X.
*> If M = 0 or N = 0, B is not referenced.
*> \endverbatim *> \endverbatim
*> *>
*> \param[in] LDB *> \param[in] LDB
@@ -148,6 +149,7 @@
*> The effective rank of A, i.e., the order of the submatrix *> The effective rank of A, i.e., the order of the submatrix
*> R11. This is the same as the order of the submatrix T11 *> R11. This is the same as the order of the submatrix T11
*> in the complete orthogonal factorization of A. *> in the complete orthogonal factorization of A.
*> If NRHS = 0, RANK = 0 on output.
*> \endverbatim *> \endverbatim
*> *>
*> \param[out] WORK *> \param[out] WORK


+ 2
- 0
lapack-netlib/SRC/dgelsy.f View File

@@ -115,6 +115,7 @@
*> B is DOUBLE PRECISION array, dimension (LDB,NRHS) *> B is DOUBLE PRECISION array, dimension (LDB,NRHS)
*> On entry, the M-by-NRHS right hand side matrix B. *> On entry, the M-by-NRHS right hand side matrix B.
*> On exit, the N-by-NRHS solution matrix X. *> On exit, the N-by-NRHS solution matrix X.
*> If M = 0 or N = 0, B is not referenced.
*> \endverbatim *> \endverbatim
*> *>
*> \param[in] LDB *> \param[in] LDB
@@ -147,6 +148,7 @@
*> The effective rank of A, i.e., the order of the submatrix *> The effective rank of A, i.e., the order of the submatrix
*> R11. This is the same as the order of the submatrix T11 *> R11. This is the same as the order of the submatrix T11
*> in the complete orthogonal factorization of A. *> in the complete orthogonal factorization of A.
*> If NRHS = 0, RANK = 0 on output.
*> \endverbatim *> \endverbatim
*> *>
*> \param[out] WORK *> \param[out] WORK


+ 2
- 0
lapack-netlib/SRC/sgelsy.f View File

@@ -115,6 +115,7 @@
*> B is REAL array, dimension (LDB,NRHS) *> B is REAL array, dimension (LDB,NRHS)
*> On entry, the M-by-NRHS right hand side matrix B. *> On entry, the M-by-NRHS right hand side matrix B.
*> On exit, the N-by-NRHS solution matrix X. *> On exit, the N-by-NRHS solution matrix X.
*> If M = 0 or N = 0, B is not referenced.
*> \endverbatim *> \endverbatim
*> *>
*> \param[in] LDB *> \param[in] LDB
@@ -147,6 +148,7 @@
*> The effective rank of A, i.e., the order of the submatrix *> The effective rank of A, i.e., the order of the submatrix
*> R11. This is the same as the order of the submatrix T11 *> R11. This is the same as the order of the submatrix T11
*> in the complete orthogonal factorization of A. *> in the complete orthogonal factorization of A.
*> If NRHS = 0, RANK = 0 on output.
*> \endverbatim *> \endverbatim
*> *>
*> \param[out] WORK *> \param[out] WORK


+ 2
- 0
lapack-netlib/SRC/zgelsy.f View File

@@ -116,6 +116,7 @@
*> B is COMPLEX*16 array, dimension (LDB,NRHS) *> B is COMPLEX*16 array, dimension (LDB,NRHS)
*> On entry, the M-by-NRHS right hand side matrix B. *> On entry, the M-by-NRHS right hand side matrix B.
*> On exit, the N-by-NRHS solution matrix X. *> On exit, the N-by-NRHS solution matrix X.
*> If M = 0 or N = 0, B is not referenced.
*> \endverbatim *> \endverbatim
*> *>
*> \param[in] LDB *> \param[in] LDB
@@ -148,6 +149,7 @@
*> The effective rank of A, i.e., the order of the submatrix *> The effective rank of A, i.e., the order of the submatrix
*> R11. This is the same as the order of the submatrix T11 *> R11. This is the same as the order of the submatrix T11
*> in the complete orthogonal factorization of A. *> in the complete orthogonal factorization of A.
*> If NRHS = 0, RANK = 0 on output.
*> \endverbatim *> \endverbatim
*> *>
*> \param[out] WORK *> \param[out] WORK


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