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Diffstat (limited to 'SRC/stpqrt.f')
-rw-r--r-- | SRC/stpqrt.f | 87 |
1 files changed, 59 insertions, 28 deletions
diff --git a/SRC/stpqrt.f b/SRC/stpqrt.f index 0c08ed1f..ec2e0a92 100644 --- a/SRC/stpqrt.f +++ b/SRC/stpqrt.f @@ -57,59 +57,90 @@ *> N >= 0. *> \endverbatim *> -* -* Authors -* ======= -* -*> \author Univ. of Tennessee -*> \author Univ. of California Berkeley -*> \author Univ. of Colorado Denver -*> \author NAG Ltd. -* -*> \date November 2011 -* -*> \ingroup realOTHERcomputational -* -* -* Further Details -* =============== -*>\details \b Further \b Details +*> \param[in] L *> \verbatim -* MIN(M,N) >= L >= 0. See Further Details. +*> L is INTEGER +*> The number of rows of the upper trapezoidal part of B. +*> MIN(M,N) >= L >= 0. See Further Details. +*> \endverbatim *> -*> NB (input) INTEGER +*> \param[in] NB +*> \verbatim +*> NB is INTEGER *> The block size to be used in the blocked QR. N >= NB >= 1. +*> \endverbatim *> -*> A (input/output) REAL array, dimension (LDA,N) +*> \param[in,out] A +*> \verbatim +*> A is REAL array, dimension (LDA,N) *> On entry, the upper triangular N-by-N matrix A. *> On exit, the elements on and above the diagonal of the array *> contain the upper triangular matrix R. +*> \endverbatim *> -*> LDA (input) INTEGER +*> \param[in] LDA +*> \verbatim +*> LDA is INTEGER *> The leading dimension of the array A. LDA >= max(1,N). +*> \endverbatim *> -*> B (input/output) REAL array, dimension (LDB,N) +*> \param[in,out] B +*> \verbatim +*> B is REAL array, dimension (LDB,N) *> On entry, the pentagonal M-by-N matrix B. The first M-L rows *> are rectangular, and the last L rows are upper trapezoidal. *> On exit, B contains the pentagonal matrix V. See Further Details. +*> \endverbatim *> -*> LDB (input) INTEGER +*> \param[in] LDB +*> \verbatim +*> LDB is INTEGER *> The leading dimension of the array B. LDB >= max(1,M). +*> \endverbatim *> -*> T (output) REAL array, dimension (LDT,N) +*> \param[out] T +*> \verbatim +*> T is REAL array, dimension (LDT,N) *> The upper triangular block reflectors stored in compact form *> as a sequence of upper triangular blocks. See Further Details. +*> \endverbatim *> -*> LDT (input) INTEGER +*> \param[in] LDT +*> \verbatim +*> LDT is INTEGER *> The leading dimension of the array T. LDT >= NB. +*> \endverbatim *> -*> WORK (workspace) REAL array, dimension (NB*N) +*> \param[out] WORK +*> \verbatim +*> WORK is REAL array, dimension (NB*N) +*> \endverbatim *> -*> INFO (output) INTEGER +*> \param[out] INFO +*> \verbatim +*> INFO is INTEGER *> = 0: successful exit *> < 0: if INFO = -i, the i-th argument had an illegal value +*> \endverbatim *> -*> +* +* Authors +* ======= +* +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. +* +*> \date November 2011 +* +*> \ingroup realOTHERcomputational +* +* +* Further Details +* =============== +*>\details \b Further \b Details +*> \verbatim *> The input matrix C is a (N+M)-by-N matrix *> *> C = [ A ] |