root / man / man3 / HPL_dlaswp04N.3
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.TH HPL_dlaswp04N 3 "September 10, 2008" "HPL 2.0" "HPL Library Functions" |
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.SH NAME |
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HPL_dlaswp04N \- copy rows of U in A and replace them with columns of W. |
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.SH SYNOPSIS |
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\fB\&#include "hpl.h"\fR |
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|
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\fB\&void\fR |
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\fB\&HPL_dlaswp04N(\fR |
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\fB\&const int\fR |
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\fI\&M0\fR, |
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\fB\&const int\fR |
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\fI\&M1\fR, |
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\fB\&const int\fR |
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\fI\&N\fR, |
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\fB\&double *\fR |
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\fI\&U\fR, |
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\fB\&const int\fR |
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\fI\&LDU\fR, |
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\fB\&double *\fR |
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\fI\&A\fR, |
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\fB\&const int\fR |
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\fI\&LDA\fR, |
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\fB\&const double *\fR |
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\fI\&W0\fR, |
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\fB\&const double *\fR |
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\fI\&W\fR, |
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\fB\&const int\fR |
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\fI\&LDW\fR, |
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\fB\&const int *\fR |
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\fI\&LINDXA\fR, |
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\fB\&const int *\fR |
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\fI\&LINDXAU\fR |
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\fB\&);\fR |
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.SH DESCRIPTION |
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\fB\&HPL_dlaswp04N\fR |
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copies M0 rows of U into A and replaces those rows of U |
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with columns of W. In addition M1 - M0 columns of W are copied into |
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rows of U. |
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.SH ARGUMENTS |
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.TP 8 |
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M0 (local input) const int |
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On entry, M0 specifies the number of rows of U that should be |
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copied into A and replaced by columns of W. M0 must be at |
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least zero. |
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.TP 8 |
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M1 (local input) const int |
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On entry, M1 specifies the number of columns of W that should |
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be copied into rows of U. M1 must be at least zero. |
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.TP 8 |
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N (local input) const int |
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On entry, N specifies the length of the rows of U that should |
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be copied into A. N must be at least zero. |
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.TP 8 |
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U (local input/output) double * |
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On entry, U points to an array of dimension (LDU,N). This |
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array contains the rows that are to be copied into A. |
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.TP 8 |
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LDU (local input) const int |
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On entry, LDU specifies the leading dimension of the array U. |
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LDU must be at least MAX(1,M1). |
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.TP 8 |
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A (local output) double * |
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On entry, A points to an array of dimension (LDA,N). On exit, |
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the rows of this array specified by LINDXA are replaced by |
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rows of U indicated by LINDXAU. |
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.TP 8 |
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LDA (local input) const int |
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On entry, LDA specifies the leading dimension of the array A. |
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LDA must be at least MAX(1,M0). |
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.TP 8 |
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W0 (local input) const double * |
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On entry, W0 is an array of size (M-1)*LDW+1, that contains |
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the destination offset in U where the columns of W should be |
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copied. |
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.TP 8 |
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W (local input) const double * |
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On entry, W is an array of size (LDW,M0+M1), that contains |
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data to be copied into U. For i in [M0..M0+M1), the entries |
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W(:,i) are copied into the row W0(i*LDW) of U. |
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.TP 8 |
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LDW (local input) const int |
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On entry, LDW specifies the leading dimension of the array W. |
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LDW must be at least MAX(1,N+1). |
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.TP 8 |
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LINDXA (local input) const int * |
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On entry, LINDXA is an array of dimension M0 containing the |
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local row indexes A into which rows of U are copied. |
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.TP 8 |
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LINDXAU (local input) const int * |
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On entry, LINDXAU is an array of dimension M0 that contains |
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the local row indexes of U that should be copied into A and |
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replaced by the columns of W. |
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.SH SEE ALSO |
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.BR HPL_dlaswp00N \ (3), |
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.BR HPL_dlaswp10N \ (3), |
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.BR HPL_dlaswp01N \ (3), |
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.BR HPL_dlaswp01T \ (3), |
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.BR HPL_dlaswp02N \ (3), |
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.BR HPL_dlaswp03N \ (3), |
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.BR HPL_dlaswp03T \ (3), |
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.BR HPL_dlaswp04N \ (3), |
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.BR HPL_dlaswp04T \ (3), |
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.BR HPL_dlaswp05N \ (3), |
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.BR HPL_dlaswp05T \ (3), |
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.BR HPL_dlaswp06N \ (3), |
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.BR HPL_dlaswp06T \ (3). |