Update to 2.0.0 tree from current Fremantle build

[opencv] / 3rdparty / lapack / dlacpy.c

diff --git a/3rdparty/lapack/dlacpy.c b/3rdparty/lapack/dlacpy.c
new file mode 100644 (file)
index 0000000..12db3d0
--- /dev/null
+++ b/3rdparty/lapack/dlacpy.c
@@ -0,0 +1,112 @@
+#include "clapack.h"
+
+/* Subroutine */ int dlacpy_(char *uplo, integer *m, integer *n, doublereal *
+       a, integer *lda, doublereal *b, integer *ldb)
+{
+    /* 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 *);
+
+
+/*  -- LAPACK auxiliary routine (version 3.1) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  DLACPY copies all or part of a two-dimensional matrix A to another */
+/*  matrix B. */
+
+/*  Arguments */
+/*  ========= */
+
+/*  UPLO    (input) 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 */
+
+/*  M       (input) INTEGER */
+/*          The number of rows of the matrix A.  M >= 0. */
+
+/*  N       (input) INTEGER */
+/*          The number of columns of the matrix A.  N >= 0. */
+
+/*  A       (input) 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. */
+
+/*  LDA     (input) INTEGER */
+/*          The leading dimension of the array A.  LDA >= max(1,M). */
+
+/*  B       (output) DOUBLE PRECISION array, dimension (LDB,N) */
+/*          On exit, B = A in the locations specified by UPLO. */
+
+/*  LDB     (input) INTEGER */
+/*          The leading dimension of the array B.  LDB >= max(1,M). */
+
+/*  ===================================================================== */
+
+/*     .. 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, "U")) {
+       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, "L")) {
+       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_ */