diff options
Diffstat (limited to 'SRC/dtpmqrt.f')
| -rw-r--r-- | SRC/dtpmqrt.f | 104 |
1 files changed, 71 insertions, 33 deletions
diff --git a/SRC/dtpmqrt.f b/SRC/dtpmqrt.f index ec1663de..ee109435 100644 --- a/SRC/dtpmqrt.f +++ b/SRC/dtpmqrt.f @@ -67,6 +67,7 @@ *> \verbatim *> N is INTEGER *> The number of columns of the matrix B. N >= 0. +*> \endverbatim *> *> \param[in] K *> \verbatim @@ -74,78 +75,115 @@ *> The number of elementary reflectors whose product defines *> the matrix Q. *> \endverbatim -*> \endverbatim *> -* -* Authors -* ======= -* -*> \author Univ. of Tennessee -*> \author Univ. of California Berkeley -*> \author Univ. of Colorado Denver -*> \author NAG Ltd. -* -*> \date November 2011 -* -*> \ingroup doubleOTHERcomputational -* -* -* Further Details -* =============== -*>\details \b Further \b Details +*> \param[in] L *> \verbatim -* K >= L >= 0. See Further Details. +*> L is INTEGER +*> The order of the trapezoidal part of V. +*> K >= L >= 0. See Further Details. +*> \endverbatim *> -*> NB (input) INTEGER +*> \param[in] NB +*> \verbatim +*> NB is INTEGER *> The block size used for the storage of T. K >= NB >= 1. *> This must be the same value of NB used to generate T *> in CTPQRT. +*> \endverbatim *> -*> V (input) DOUBLE PRECISION array, dimension (LDA,K) +*> \param[in] V +*> \verbatim +*> V is DOUBLE PRECISION array, dimension (LDA,K) *> The i-th column must contain the vector which defines the *> elementary reflector H(i), for i = 1,2,...,k, as returned by *> CTPQRT in B. See Further Details. +*> \endverbatim *> -*> LDA (input) INTEGER -*> The leading dimension of the array A. -*> If SIDE = 'L', LDA >= max(1,M); -*> if SIDE = 'R', LDA >= max(1,N). +*> \param[in] LDV +*> \verbatim +*> LDV is INTEGER +*> The leading dimension of the array V. +*> If SIDE = 'L', LDV >= max(1,M); +*> if SIDE = 'R', LDV >= max(1,N). +*> \endverbatim *> -*> T (input) DOUBLE PRECISION array, dimension (LDT,K) +*> \param[in] T +*> \verbatim +*> T is DOUBLE PRECISION array, dimension (LDT,K) *> The upper triangular factors of the block reflectors *> as returned by CTPQRT, stored as a NB-by-K matrix. +*> \endverbatim *> -*> LDT (input) INTEGER +*> \param[in] LDT +*> \verbatim +*> LDT is INTEGER *> The leading dimension of the array T. LDT >= NB. +*> \endverbatim *> -*> A (input/output) DOUBLE PRECISION array, dimension +*> \param[in,out] A +*> \verbatim +*> A is DOUBLE PRECISION array, dimension *> (LDA,N) if SIDE = 'L' or *> (LDA,K) if SIDE = 'R' *> On entry, the K-by-N or M-by-K matrix A. *> On exit, A is overwritten by the corresponding block of *> Q*C or Q**T*C or C*Q or C*Q**T. See Further Details. +*> \endverbatim *> -*> LDA (input) INTEGER +*> \param[in] LDA +*> \verbatim +*> LDA is INTEGER *> The leading dimension of the array A. *> If SIDE = 'L', LDC >= max(1,K); *> If SIDE = 'R', LDC >= max(1,M). +*> \endverbatim *> -*> B (input/output) DOUBLE PRECISION array, dimension (LDB,N) +*> \param[in,out] B +*> \verbatim +*> B is DOUBLE PRECISION array, dimension (LDB,N) *> On entry, the M-by-N matrix B. *> On exit, B is overwritten by the corresponding block of *> Q*C or Q**T*C or C*Q or C*Q**T. 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 *> -*> WORK (workspace/output) DOUBLE PRECISION array. The dimension of WORK is +*> \param[out] WORK +*> \verbatim +*> WORK is DOUBLE PRECISION array. The dimension of WORK is *> N*NB if SIDE = 'L', or M*NB if SIDE = 'R'. +*> \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 doubleOTHERcomputational +* +* +* Further Details +* =============== +*>\details \b Further \b Details +*> \verbatim *> *> The columns of the pentagonal matrix V contain the elementary reflectors *> H(1), H(2), ..., H(K); V is composed of a rectangular block V1 and a |