aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/clapack/ztpttr.c
diff options
context:
space:
mode:
authorshmel1k <shmel1k@ydb.tech>2022-09-02 12:44:59 +0300
committershmel1k <shmel1k@ydb.tech>2022-09-02 12:44:59 +0300
commit90d450f74722da7859d6f510a869f6c6908fd12f (patch)
tree538c718dedc76cdfe37ad6d01ff250dd930d9278 /contrib/libs/clapack/ztpttr.c
parent01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff)
downloadydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/clapack/ztpttr.c')
-rw-r--r--contrib/libs/clapack/ztpttr.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/contrib/libs/clapack/ztpttr.c b/contrib/libs/clapack/ztpttr.c
new file mode 100644
index 0000000000..9d39cca254
--- /dev/null
+++ b/contrib/libs/clapack/ztpttr.c
@@ -0,0 +1,148 @@
+/* ztpttr.f -- translated by f2c (version 20061008).
+ 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
+*/
+
+#include "f2c.h"
+#include "blaswrap.h"
+
+/* Subroutine */ int ztpttr_(char *uplo, integer *n, doublecomplex *ap,
+ doublecomplex *a, integer *lda, integer *info)
+{
+ /* System generated locals */
+ integer a_dim1, a_offset, i__1, i__2, i__3, i__4;
+
+ /* Local variables */
+ integer i__, j, k;
+ extern logical lsame_(char *, char *);
+ logical lower;
+ extern /* Subroutine */ int xerbla_(char *, integer *);
+
+
+/* -- LAPACK routine (version 3.2) -- */
+
+/* -- Contributed by Julien Langou of the Univ. of Colorado Denver -- */
+/* -- November 2008 -- */
+
+/* -- 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 .. */
+/* .. */
+
+/* Purpose */
+/* ======= */
+
+/* ZTPTTR copies a triangular matrix A from standard packed format (TP) */
+/* to standard full format (TR). */
+
+/* Arguments */
+/* ========= */
+
+/* UPLO (input) CHARACTER */
+/* = 'U': A is upper triangular. */
+/* = 'L': A is lower triangular. */
+
+/* N (input) INTEGER */
+/* The order of the matrix A. N >= 0. */
+
+/* AP (input) COMPLEX*16 array, dimension ( N*(N+1)/2 ), */
+/* On entry, the upper or lower triangular matrix A, packed */
+/* columnwise in a linear array. The j-th column of A is stored */
+/* in the array AP as follows: */
+/* if UPLO = 'U', AP(i + (j-1)*j/2) = A(i,j) for 1<=i<=j; */
+/* if UPLO = 'L', AP(i + (j-1)*(2n-j)/2) = A(i,j) for j<=i<=n. */
+
+/* A (output) COMPLEX*16 array, dimension ( LDA, N ) */
+/* On exit, the triangular matrix A. If UPLO = 'U', the leading */
+/* N-by-N upper triangular part of A contains the upper */
+/* triangular part of the matrix A, and the strictly lower */
+/* triangular part of A is not referenced. If UPLO = 'L', the */
+/* leading N-by-N lower triangular part of A contains the lower */
+/* triangular part of the matrix A, and the strictly upper */
+/* triangular part of A is not referenced. */
+
+/* LDA (input) INTEGER */
+/* The leading dimension of the array A. LDA >= max(1,N). */
+
+/* INFO (output) INTEGER */
+/* = 0: successful exit */
+/* < 0: if INFO = -i, the i-th argument had an illegal value */
+
+/* ===================================================================== */
+
+/* .. Parameters .. */
+/* .. */
+/* .. Local Scalars .. */
+/* .. */
+/* .. External Functions .. */
+/* .. */
+/* .. External Subroutines .. */
+/* .. */
+/* .. Executable Statements .. */
+
+/* Test the input parameters. */
+
+ /* Parameter adjustments */
+ --ap;
+ a_dim1 = *lda;
+ a_offset = 1 + a_dim1;
+ a -= a_offset;
+
+ /* Function Body */
+ *info = 0;
+ lower = lsame_(uplo, "L");
+ if (! lower && ! lsame_(uplo, "U")) {
+ *info = -1;
+ } else if (*n < 0) {
+ *info = -2;
+ } else if (*lda < max(1,*n)) {
+ *info = -5;
+ }
+ if (*info != 0) {
+ i__1 = -(*info);
+ xerbla_("ZTPTTR", &i__1);
+ return 0;
+ }
+
+ if (lower) {
+ k = 0;
+ i__1 = *n;
+ for (j = 1; j <= i__1; ++j) {
+ i__2 = *n;
+ for (i__ = j; i__ <= i__2; ++i__) {
+ ++k;
+ i__3 = i__ + j * a_dim1;
+ i__4 = k;
+ a[i__3].r = ap[i__4].r, a[i__3].i = ap[i__4].i;
+ }
+ }
+ } else {
+ k = 0;
+ i__1 = *n;
+ for (j = 1; j <= i__1; ++j) {
+ i__2 = j;
+ for (i__ = 1; i__ <= i__2; ++i__) {
+ ++k;
+ i__3 = i__ + j * a_dim1;
+ i__4 = k;
+ a[i__3].r = ap[i__4].r, a[i__3].i = ap[i__4].i;
+ }
+ }
+ }
+
+
+ return 0;
+
+/* End of ZTPTTR */
+
+} /* ztpttr_ */