/* fortran/dlacpy.f -- translated by f2c (version 20200916). You must link the resulting object file with libf2c: on Microsoft Windows system, link with libf2c.lib; on Linux or Unix systems, link with .../path/to/libf2c.a -lm or, if you install libf2c.a in a standard place, with -lf2c -lm -- in that order, at the end of the command line, as in cc *.o -lf2c -lm Source for libf2c is in /netlib/f2c/libf2c.zip, e.g., http://www.netlib.org/f2c/libf2c.zip */ #ifdef __cplusplus extern "C" { #endif #include "lmp_f2c.h" /* > \brief \b DLACPY copies all or part of one two-dimensional array to another. */ /* =========== DOCUMENTATION =========== */ /* Online html documentation available at */ /* http://www.netlib.org/lapack/explore-html/ */ /* > \htmlonly */ /* > Download DLACPY + dependencies */ /* > */ /* > [TGZ] */ /* > */ /* > [ZIP] */ /* > */ /* > [TXT] */ /* > \endhtmlonly */ /* Definition: */ /* =========== */ /* SUBROUTINE DLACPY( UPLO, M, N, A, LDA, B, LDB ) */ /* .. Scalar Arguments .. */ /* CHARACTER UPLO */ /* INTEGER LDA, LDB, M, N */ /* .. */ /* .. Array Arguments .. */ /* DOUBLE PRECISION A( LDA, * ), B( LDB, * ) */ /* .. */ /* > \par Purpose: */ /* ============= */ /* > */ /* > \verbatim */ /* > */ /* > DLACPY copies all or part of a two-dimensional matrix A to another */ /* > matrix B. */ /* > \endverbatim */ /* Arguments: */ /* ========== */ /* > \param[in] UPLO */ /* > \verbatim */ /* > UPLO is CHARACTER*1 */ /* > Specifies the part of the matrix A to be copied to B. */ /* > = 'U': Upper triangular part */ /* > = 'L': Lower triangular part */ /* > Otherwise: All of the matrix A */ /* > \endverbatim */ /* > */ /* > \param[in] M */ /* > \verbatim */ /* > M is INTEGER */ /* > The number of rows of the matrix A. M >= 0. */ /* > \endverbatim */ /* > */ /* > \param[in] N */ /* > \verbatim */ /* > N is INTEGER */ /* > The number of columns of the matrix A. N >= 0. */ /* > \endverbatim */ /* > */ /* > \param[in] A */ /* > \verbatim */ /* > A is DOUBLE PRECISION array, dimension (LDA,N) */ /* > The m by n matrix A. If UPLO = 'U', only the upper triangle */ /* > or trapezoid is accessed; if UPLO = 'L', only the lower */ /* > triangle or trapezoid is accessed. */ /* > \endverbatim */ /* > */ /* > \param[in] LDA */ /* > \verbatim */ /* > LDA is INTEGER */ /* > The leading dimension of the array A. LDA >= max(1,M). */ /* > \endverbatim */ /* > */ /* > \param[out] B */ /* > \verbatim */ /* > B is DOUBLE PRECISION array, dimension (LDB,N) */ /* > On exit, B = A in the locations specified by UPLO. */ /* > \endverbatim */ /* > */ /* > \param[in] LDB */ /* > \verbatim */ /* > LDB is INTEGER */ /* > The leading dimension of the array B. LDB >= max(1,M). */ /* > \endverbatim */ /* Authors: */ /* ======== */ /* > \author Univ. of Tennessee */ /* > \author Univ. of California Berkeley */ /* > \author Univ. of Colorado Denver */ /* > \author NAG Ltd. */ /* > \ingroup OTHERauxiliary */ /* ===================================================================== */ /* Subroutine */ int dlacpy_(char *uplo, integer *m, integer *n, doublereal * a, integer *lda, doublereal *b, integer *ldb, ftnlen uplo_len) { /* System generated locals */ integer a_dim1, a_offset, b_dim1, b_offset, i__1, i__2; /* Local variables */ integer i__, j; extern logical lsame_(char *, char *, ftnlen, ftnlen); /* -- LAPACK auxiliary routine -- */ /* -- LAPACK is a software package provided by Univ. of Tennessee, -- */ /* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- */ /* .. Scalar Arguments .. */ /* .. */ /* .. Array Arguments .. */ /* .. */ /* ===================================================================== */ /* .. Local Scalars .. */ /* .. */ /* .. External Functions .. */ /* .. */ /* .. Intrinsic Functions .. */ /* .. */ /* .. Executable Statements .. */ /* Parameter adjustments */ a_dim1 = *lda; a_offset = 1 + a_dim1; a -= a_offset; b_dim1 = *ldb; b_offset = 1 + b_dim1; b -= b_offset; /* Function Body */ if (lsame_(uplo, (char *)"U", (ftnlen)1, (ftnlen)1)) { i__1 = *n; for (j = 1; j <= i__1; ++j) { i__2 = min(j,*m); for (i__ = 1; i__ <= i__2; ++i__) { b[i__ + j * b_dim1] = a[i__ + j * a_dim1]; /* L10: */ } /* L20: */ } } else if (lsame_(uplo, (char *)"L", (ftnlen)1, (ftnlen)1)) { i__1 = *n; for (j = 1; j <= i__1; ++j) { i__2 = *m; for (i__ = j; i__ <= i__2; ++i__) { b[i__ + j * b_dim1] = a[i__ + j * a_dim1]; /* L30: */ } /* L40: */ } } else { i__1 = *n; for (j = 1; j <= i__1; ++j) { i__2 = *m; for (i__ = 1; i__ <= i__2; ++i__) { b[i__ + j * b_dim1] = a[i__ + j * a_dim1]; /* L50: */ } /* L60: */ } } return 0; /* End of DLACPY */ } /* dlacpy_ */ #ifdef __cplusplus } #endif