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---
:name: dlacpy
:md5sum: 10366fbf2a10d962bba69e321b7c3c7b
:category: :subroutine
:arguments:
- uplo:
:type: char
:intent: input
- m:
:type: integer
:intent: input
- n:
:type: integer
:intent: input
- a:
:type: doublereal
:intent: input
:dims:
- lda
- n
- lda:
:type: integer
:intent: input
- b:
:type: doublereal
:intent: output
:dims:
- ldb
- n
- ldb:
:type: integer
:intent: input
:substitutions:
ldb: MAX(1,m)
:fortran_help: " SUBROUTINE DLACPY( UPLO, M, N, A, LDA, B, LDB )\n\n\
* Purpose\n\
* =======\n\
*\n\
* DLACPY copies all or part of a two-dimensional matrix A to another\n\
* matrix B.\n\
*\n\n\
* Arguments\n\
* =========\n\
*\n\
* UPLO (input) CHARACTER*1\n\
* Specifies the part of the matrix A to be copied to B.\n\
* = 'U': Upper triangular part\n\
* = 'L': Lower triangular part\n\
* Otherwise: All of the matrix A\n\
*\n\
* M (input) INTEGER\n\
* The number of rows of the matrix A. M >= 0.\n\
*\n\
* N (input) INTEGER\n\
* The number of columns of the matrix A. N >= 0.\n\
*\n\
* A (input) DOUBLE PRECISION array, dimension (LDA,N)\n\
* The m by n matrix A. If UPLO = 'U', only the upper triangle\n\
* or trapezoid is accessed; if UPLO = 'L', only the lower\n\
* triangle or trapezoid is accessed.\n\
*\n\
* LDA (input) INTEGER\n\
* The leading dimension of the array A. LDA >= max(1,M).\n\
*\n\
* B (output) DOUBLE PRECISION array, dimension (LDB,N)\n\
* On exit, B = A in the locations specified by UPLO.\n\
*\n\
* LDB (input) INTEGER\n\
* The leading dimension of the array B. LDB >= max(1,M).\n\
*\n\n\
* =====================================================================\n\
*\n\
* .. Local Scalars ..\n INTEGER I, J\n\
* ..\n\
* .. External Functions ..\n LOGICAL LSAME\n EXTERNAL LSAME\n\
* ..\n\
* .. Intrinsic Functions ..\n INTRINSIC MIN\n\
* ..\n"
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