Add lapacke interfaces for ?geqr, ?gelq, ?gemqr and ?gemlq

1 files changed, 88 insertions, 0 deletions

diff --git a/LAPACKE/src/lapacke_zgemqr.c b/LAPACKE/src/lapacke_zgemqr.c
new file mode 100644
index 00000000..07e1a7aa
--- /dev/null
+++ b/LAPACKE/src/lapacke_zgemqr.c
@@ -0,0 +1,88 @@
+/*****************************************************************************
+  Copyright (c) 2014, Intel Corp.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of Intel Corporation nor the names of its contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+  THE POSSIBILITY OF SUCH DAMAGE.
+*****************************************************************************
+* Contents: Native high-level C interface to LAPACK function zgemqr
+* Author: Intel Corporation
+* Generated December 2016
+*****************************************************************************/
+
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_zgemqr( int matrix_layout, char side, char trans,
+                           lapack_int m, lapack_int n, lapack_int k,
+                           const lapack_complex_double* a, lapack_int lda,
+                           const lapack_complex_double* t, lapack_int tsize,
+                           lapack_complex_double* c, lapack_int ldc )
+{
+    lapack_int info = 0;
+    lapack_int lwork = -1;
+    lapack_complex_double* work = NULL;
+    lapack_complex_double work_query;
+    lapack_int r;
+    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
+        LAPACKE_xerbla( "LAPACKE_zgemqr", -1 );
+        return -1;
+    }
+#ifndef LAPACK_DISABLE_NAN_CHECK
+    /* Optionally check input matrices for NaNs */
+    r = LAPACKE_lsame( side, 'l' ) ? m : n;
+    if( LAPACKE_zge_nancheck( matrix_layout, r, k, a, lda ) ) {
+        return -7;
+    }
+    if( LAPACKE_zge_nancheck( matrix_layout, m, n, c, ldc ) ) {
+        return -10;
+    }
+    if( LAPACKE_z_nancheck( tsize, t, 1 ) ) {
+        return -9;
+    }
+#endif
+    /* Query optimal working array(s) size */
+    info = LAPACKE_zgemqr_work( matrix_layout, side, trans, m, n, k, a, lda,
+                                t, tsize, c, ldc, &work_query, lwork );
+    if( info != 0 ) {
+        goto exit_level_0;
+    }
+    lwork = LAPACK_Z2INT( work_query );
+    /* Allocate memory for work arrays */
+    work = (lapack_complex_double*)
+        LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
+    if( work == NULL ) {
+        info = LAPACK_WORK_MEMORY_ERROR;
+        goto exit_level_0;
+    }
+    /* Call middle-level interface */
+    info = LAPACKE_zgemqr_work( matrix_layout, side, trans, m, n, k, a, lda,
+                                t, tsize, c, ldc, work, lwork );
+    /* Release memory and exit */
+    LAPACKE_free( work );
+exit_level_0:
+    if( info == LAPACK_WORK_MEMORY_ERROR ) {
+        LAPACKE_xerbla( "LAPACKE_zgemqr", info );
+    }
+    return info;
+}