aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/clapack/chfrk.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/chfrk.c
parent01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff)
downloadydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/clapack/chfrk.c')
-rw-r--r--contrib/libs/clapack/chfrk.c530
1 files changed, 530 insertions, 0 deletions
diff --git a/contrib/libs/clapack/chfrk.c b/contrib/libs/clapack/chfrk.c
new file mode 100644
index 0000000000..d980a7e152
--- /dev/null
+++ b/contrib/libs/clapack/chfrk.c
@@ -0,0 +1,530 @@
+/* chfrk.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 chfrk_(char *transr, char *uplo, char *trans, integer *n,
+ integer *k, real *alpha, complex *a, integer *lda, real *beta,
+ complex *c__)
+{
+ /* System generated locals */
+ integer a_dim1, a_offset, i__1, i__2;
+ complex q__1;
+
+ /* Local variables */
+ integer j, n1, n2, nk, info;
+ complex cbeta;
+ logical normaltransr;
+ extern /* Subroutine */ int cgemm_(char *, char *, integer *, integer *,
+ integer *, complex *, complex *, integer *, complex *, integer *,
+ complex *, complex *, integer *), cherk_(char *,
+ char *, integer *, integer *, real *, complex *, integer *, real *
+, complex *, integer *);
+ extern logical lsame_(char *, char *);
+ integer nrowa;
+ logical lower;
+ complex calpha;
+ extern /* Subroutine */ int xerbla_(char *, integer *);
+ logical nisodd, notrans;
+
+
+/* -- 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 */
+/* ======= */
+
+/* Level 3 BLAS like routine for C in RFP Format. */
+
+/* CHFRK performs one of the Hermitian rank--k operations */
+
+/* C := alpha*A*conjg( A' ) + beta*C, */
+
+/* or */
+
+/* C := alpha*conjg( A' )*A + beta*C, */
+
+/* where alpha and beta are real scalars, C is an n--by--n Hermitian */
+/* matrix and A is an n--by--k matrix in the first case and a k--by--n */
+/* matrix in the second case. */
+
+/* Arguments */
+/* ========== */
+
+/* TRANSR - (input) CHARACTER. */
+/* = 'N': The Normal Form of RFP A is stored; */
+/* = 'C': The Conjugate-transpose Form of RFP A is stored. */
+
+/* UPLO - (input) CHARACTER. */
+/* On entry, UPLO specifies whether the upper or lower */
+/* triangular part of the array C is to be referenced as */
+/* follows: */
+
+/* UPLO = 'U' or 'u' Only the upper triangular part of C */
+/* is to be referenced. */
+
+/* UPLO = 'L' or 'l' Only the lower triangular part of C */
+/* is to be referenced. */
+
+/* Unchanged on exit. */
+
+/* TRANS - (input) CHARACTER. */
+/* On entry, TRANS specifies the operation to be performed as */
+/* follows: */
+
+/* TRANS = 'N' or 'n' C := alpha*A*conjg( A' ) + beta*C. */
+
+/* TRANS = 'C' or 'c' C := alpha*conjg( A' )*A + beta*C. */
+
+/* Unchanged on exit. */
+
+/* N - (input) INTEGER. */
+/* On entry, N specifies the order of the matrix C. N must be */
+/* at least zero. */
+/* Unchanged on exit. */
+
+/* K - (input) INTEGER. */
+/* On entry with TRANS = 'N' or 'n', K specifies the number */
+/* of columns of the matrix A, and on entry with */
+/* TRANS = 'C' or 'c', K specifies the number of rows of the */
+/* matrix A. K must be at least zero. */
+/* Unchanged on exit. */
+
+/* ALPHA - (input) REAL. */
+/* On entry, ALPHA specifies the scalar alpha. */
+/* Unchanged on exit. */
+
+/* A - (input) COMPLEX array of DIMENSION ( LDA, ka ), where KA */
+/* is K when TRANS = 'N' or 'n', and is N otherwise. Before */
+/* entry with TRANS = 'N' or 'n', the leading N--by--K part of */
+/* the array A must contain the matrix A, otherwise the leading */
+/* K--by--N part of the array A must contain the matrix A. */
+/* Unchanged on exit. */
+
+/* LDA - (input) INTEGER. */
+/* On entry, LDA specifies the first dimension of A as declared */
+/* in the calling (sub) program. When TRANS = 'N' or 'n' */
+/* then LDA must be at least max( 1, n ), otherwise LDA must */
+/* be at least max( 1, k ). */
+/* Unchanged on exit. */
+
+/* BETA - (input) REAL. */
+/* On entry, BETA specifies the scalar beta. */
+/* Unchanged on exit. */
+
+/* C - (input/output) COMPLEX array, dimension ( N*(N+1)/2 ). */
+/* On entry, the matrix A in RFP Format. RFP Format is */
+/* described by TRANSR, UPLO and N. Note that the imaginary */
+/* parts of the diagonal elements need not be set, they are */
+/* assumed to be zero, and on exit they are set to zero. */
+
+/* Arguments */
+/* ========== */
+
+/* .. */
+/* .. Parameters .. */
+/* .. */
+/* .. Local Scalars .. */
+/* .. */
+/* .. External Functions .. */
+/* .. */
+/* .. External Subroutines .. */
+/* .. */
+/* .. Intrinsic Functions .. */
+/* .. */
+/* .. Executable Statements .. */
+
+
+/* Test the input parameters. */
+
+ /* Parameter adjustments */
+ a_dim1 = *lda;
+ a_offset = 1 + a_dim1;
+ a -= a_offset;
+ --c__;
+
+ /* Function Body */
+ info = 0;
+ normaltransr = lsame_(transr, "N");
+ lower = lsame_(uplo, "L");
+ notrans = lsame_(trans, "N");
+
+ if (notrans) {
+ nrowa = *n;
+ } else {
+ nrowa = *k;
+ }
+
+ if (! normaltransr && ! lsame_(transr, "C")) {
+ info = -1;
+ } else if (! lower && ! lsame_(uplo, "U")) {
+ info = -2;
+ } else if (! notrans && ! lsame_(trans, "C")) {
+ info = -3;
+ } else if (*n < 0) {
+ info = -4;
+ } else if (*k < 0) {
+ info = -5;
+ } else if (*lda < max(1,nrowa)) {
+ info = -8;
+ }
+ if (info != 0) {
+ i__1 = -info;
+ xerbla_("CHFRK ", &i__1);
+ return 0;
+ }
+
+/* Quick return if possible. */
+
+/* The quick return case: ((ALPHA.EQ.0).AND.(BETA.NE.ZERO)) is not */
+/* done (it is in CHERK for example) and left in the general case. */
+
+ if (*n == 0 || (*alpha == 0.f || *k == 0) && *beta == 1.f) {
+ return 0;
+ }
+
+ if (*alpha == 0.f && *beta == 0.f) {
+ i__1 = *n * (*n + 1) / 2;
+ for (j = 1; j <= i__1; ++j) {
+ i__2 = j;
+ c__[i__2].r = 0.f, c__[i__2].i = 0.f;
+ }
+ return 0;
+ }
+
+ q__1.r = *alpha, q__1.i = 0.f;
+ calpha.r = q__1.r, calpha.i = q__1.i;
+ q__1.r = *beta, q__1.i = 0.f;
+ cbeta.r = q__1.r, cbeta.i = q__1.i;
+
+/* C is N-by-N. */
+/* If N is odd, set NISODD = .TRUE., and N1 and N2. */
+/* If N is even, NISODD = .FALSE., and NK. */
+
+ if (*n % 2 == 0) {
+ nisodd = FALSE_;
+ nk = *n / 2;
+ } else {
+ nisodd = TRUE_;
+ if (lower) {
+ n2 = *n / 2;
+ n1 = *n - n2;
+ } else {
+ n1 = *n / 2;
+ n2 = *n - n1;
+ }
+ }
+
+ if (nisodd) {
+
+/* N is odd */
+
+ if (normaltransr) {
+
+/* N is odd and TRANSR = 'N' */
+
+ if (lower) {
+
+/* N is odd, TRANSR = 'N', and UPLO = 'L' */
+
+ if (notrans) {
+
+/* N is odd, TRANSR = 'N', UPLO = 'L', and TRANS = 'N' */
+
+ cherk_("L", "N", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[1], n);
+ cherk_("U", "N", &n2, k, alpha, &a[n1 + 1 + a_dim1], lda,
+ beta, &c__[*n + 1], n);
+ cgemm_("N", "C", &n2, &n1, k, &calpha, &a[n1 + 1 + a_dim1]
+, lda, &a[a_dim1 + 1], lda, &cbeta, &c__[n1 + 1],
+ n);
+
+ } else {
+
+/* N is odd, TRANSR = 'N', UPLO = 'L', and TRANS = 'C' */
+
+ cherk_("L", "C", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[1], n);
+ cherk_("U", "C", &n2, k, alpha, &a[(n1 + 1) * a_dim1 + 1],
+ lda, beta, &c__[*n + 1], n)
+ ;
+ cgemm_("C", "N", &n2, &n1, k, &calpha, &a[(n1 + 1) *
+ a_dim1 + 1], lda, &a[a_dim1 + 1], lda, &cbeta, &
+ c__[n1 + 1], n);
+
+ }
+
+ } else {
+
+/* N is odd, TRANSR = 'N', and UPLO = 'U' */
+
+ if (notrans) {
+
+/* N is odd, TRANSR = 'N', UPLO = 'U', and TRANS = 'N' */
+
+ cherk_("L", "N", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[n2 + 1], n);
+ cherk_("U", "N", &n2, k, alpha, &a[n2 + a_dim1], lda,
+ beta, &c__[n1 + 1], n);
+ cgemm_("N", "C", &n1, &n2, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[n2 + a_dim1], lda, &cbeta, &c__[1], n);
+
+ } else {
+
+/* N is odd, TRANSR = 'N', UPLO = 'U', and TRANS = 'C' */
+
+ cherk_("L", "C", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[n2 + 1], n);
+ cherk_("U", "C", &n2, k, alpha, &a[n2 * a_dim1 + 1], lda,
+ beta, &c__[n1 + 1], n);
+ cgemm_("C", "N", &n1, &n2, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[n2 * a_dim1 + 1], lda, &cbeta, &c__[1], n);
+
+ }
+
+ }
+
+ } else {
+
+/* N is odd, and TRANSR = 'C' */
+
+ if (lower) {
+
+/* N is odd, TRANSR = 'C', and UPLO = 'L' */
+
+ if (notrans) {
+
+/* N is odd, TRANSR = 'C', UPLO = 'L', and TRANS = 'N' */
+
+ cherk_("U", "N", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[1], &n1);
+ cherk_("L", "N", &n2, k, alpha, &a[n1 + 1 + a_dim1], lda,
+ beta, &c__[2], &n1);
+ cgemm_("N", "C", &n1, &n2, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[n1 + 1 + a_dim1], lda, &cbeta, &c__[n1 *
+ n1 + 1], &n1);
+
+ } else {
+
+/* N is odd, TRANSR = 'C', UPLO = 'L', and TRANS = 'C' */
+
+ cherk_("U", "C", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[1], &n1);
+ cherk_("L", "C", &n2, k, alpha, &a[(n1 + 1) * a_dim1 + 1],
+ lda, beta, &c__[2], &n1);
+ cgemm_("C", "N", &n1, &n2, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[(n1 + 1) * a_dim1 + 1], lda, &cbeta, &c__[
+ n1 * n1 + 1], &n1);
+
+ }
+
+ } else {
+
+/* N is odd, TRANSR = 'C', and UPLO = 'U' */
+
+ if (notrans) {
+
+/* N is odd, TRANSR = 'C', UPLO = 'U', and TRANS = 'N' */
+
+ cherk_("U", "N", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[n2 * n2 + 1], &n2);
+ cherk_("L", "N", &n2, k, alpha, &a[n1 + 1 + a_dim1], lda,
+ beta, &c__[n1 * n2 + 1], &n2);
+ cgemm_("N", "C", &n2, &n1, k, &calpha, &a[n1 + 1 + a_dim1]
+, lda, &a[a_dim1 + 1], lda, &cbeta, &c__[1], &n2);
+
+ } else {
+
+/* N is odd, TRANSR = 'C', UPLO = 'U', and TRANS = 'C' */
+
+ cherk_("U", "C", &n1, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[n2 * n2 + 1], &n2);
+ cherk_("L", "C", &n2, k, alpha, &a[(n1 + 1) * a_dim1 + 1],
+ lda, beta, &c__[n1 * n2 + 1], &n2);
+ cgemm_("C", "N", &n2, &n1, k, &calpha, &a[(n1 + 1) *
+ a_dim1 + 1], lda, &a[a_dim1 + 1], lda, &cbeta, &
+ c__[1], &n2);
+
+ }
+
+ }
+
+ }
+
+ } else {
+
+/* N is even */
+
+ if (normaltransr) {
+
+/* N is even and TRANSR = 'N' */
+
+ if (lower) {
+
+/* N is even, TRANSR = 'N', and UPLO = 'L' */
+
+ if (notrans) {
+
+/* N is even, TRANSR = 'N', UPLO = 'L', and TRANS = 'N' */
+
+ i__1 = *n + 1;
+ cherk_("L", "N", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[2], &i__1);
+ i__1 = *n + 1;
+ cherk_("U", "N", &nk, k, alpha, &a[nk + 1 + a_dim1], lda,
+ beta, &c__[1], &i__1);
+ i__1 = *n + 1;
+ cgemm_("N", "C", &nk, &nk, k, &calpha, &a[nk + 1 + a_dim1]
+, lda, &a[a_dim1 + 1], lda, &cbeta, &c__[nk + 2],
+ &i__1);
+
+ } else {
+
+/* N is even, TRANSR = 'N', UPLO = 'L', and TRANS = 'C' */
+
+ i__1 = *n + 1;
+ cherk_("L", "C", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[2], &i__1);
+ i__1 = *n + 1;
+ cherk_("U", "C", &nk, k, alpha, &a[(nk + 1) * a_dim1 + 1],
+ lda, beta, &c__[1], &i__1);
+ i__1 = *n + 1;
+ cgemm_("C", "N", &nk, &nk, k, &calpha, &a[(nk + 1) *
+ a_dim1 + 1], lda, &a[a_dim1 + 1], lda, &cbeta, &
+ c__[nk + 2], &i__1);
+
+ }
+
+ } else {
+
+/* N is even, TRANSR = 'N', and UPLO = 'U' */
+
+ if (notrans) {
+
+/* N is even, TRANSR = 'N', UPLO = 'U', and TRANS = 'N' */
+
+ i__1 = *n + 1;
+ cherk_("L", "N", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[nk + 2], &i__1);
+ i__1 = *n + 1;
+ cherk_("U", "N", &nk, k, alpha, &a[nk + 1 + a_dim1], lda,
+ beta, &c__[nk + 1], &i__1);
+ i__1 = *n + 1;
+ cgemm_("N", "C", &nk, &nk, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[nk + 1 + a_dim1], lda, &cbeta, &c__[1], &
+ i__1);
+
+ } else {
+
+/* N is even, TRANSR = 'N', UPLO = 'U', and TRANS = 'C' */
+
+ i__1 = *n + 1;
+ cherk_("L", "C", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[nk + 2], &i__1);
+ i__1 = *n + 1;
+ cherk_("U", "C", &nk, k, alpha, &a[(nk + 1) * a_dim1 + 1],
+ lda, beta, &c__[nk + 1], &i__1);
+ i__1 = *n + 1;
+ cgemm_("C", "N", &nk, &nk, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[(nk + 1) * a_dim1 + 1], lda, &cbeta, &c__[
+ 1], &i__1);
+
+ }
+
+ }
+
+ } else {
+
+/* N is even, and TRANSR = 'C' */
+
+ if (lower) {
+
+/* N is even, TRANSR = 'C', and UPLO = 'L' */
+
+ if (notrans) {
+
+/* N is even, TRANSR = 'C', UPLO = 'L', and TRANS = 'N' */
+
+ cherk_("U", "N", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[nk + 1], &nk);
+ cherk_("L", "N", &nk, k, alpha, &a[nk + 1 + a_dim1], lda,
+ beta, &c__[1], &nk);
+ cgemm_("N", "C", &nk, &nk, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[nk + 1 + a_dim1], lda, &cbeta, &c__[(nk +
+ 1) * nk + 1], &nk);
+
+ } else {
+
+/* N is even, TRANSR = 'C', UPLO = 'L', and TRANS = 'C' */
+
+ cherk_("U", "C", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[nk + 1], &nk);
+ cherk_("L", "C", &nk, k, alpha, &a[(nk + 1) * a_dim1 + 1],
+ lda, beta, &c__[1], &nk);
+ cgemm_("C", "N", &nk, &nk, k, &calpha, &a[a_dim1 + 1],
+ lda, &a[(nk + 1) * a_dim1 + 1], lda, &cbeta, &c__[
+ (nk + 1) * nk + 1], &nk);
+
+ }
+
+ } else {
+
+/* N is even, TRANSR = 'C', and UPLO = 'U' */
+
+ if (notrans) {
+
+/* N is even, TRANSR = 'C', UPLO = 'U', and TRANS = 'N' */
+
+ cherk_("U", "N", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[nk * (nk + 1) + 1], &nk);
+ cherk_("L", "N", &nk, k, alpha, &a[nk + 1 + a_dim1], lda,
+ beta, &c__[nk * nk + 1], &nk);
+ cgemm_("N", "C", &nk, &nk, k, &calpha, &a[nk + 1 + a_dim1]
+, lda, &a[a_dim1 + 1], lda, &cbeta, &c__[1], &nk);
+
+ } else {
+
+/* N is even, TRANSR = 'C', UPLO = 'U', and TRANS = 'C' */
+
+ cherk_("U", "C", &nk, k, alpha, &a[a_dim1 + 1], lda, beta,
+ &c__[nk * (nk + 1) + 1], &nk);
+ cherk_("L", "C", &nk, k, alpha, &a[(nk + 1) * a_dim1 + 1],
+ lda, beta, &c__[nk * nk + 1], &nk);
+ cgemm_("C", "N", &nk, &nk, k, &calpha, &a[(nk + 1) *
+ a_dim1 + 1], lda, &a[a_dim1 + 1], lda, &cbeta, &
+ c__[1], &nk);
+
+ }
+
+ }
+
+ }
+
+ }
+
+ return 0;
+
+/* End of CHFRK */
+
+} /* chfrk_ */