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authorjulie <julielangou@users.noreply.github.com>2014-10-08 18:40:57 +0000
committerjulie <julielangou@users.noreply.github.com>2014-10-08 18:40:57 +0000
commit8d160e5f960b389ba6a4c0d5ffe767c7b762a9d3 (patch)
treeb6a093c3922c2c6c28d65393c42a31bc5779bf06 /LAPACKE/src/lapacke_cstegr.c
parentf04a5811b7233661a393718717041a5ba2384864 (diff)
Fixing folder uppercase / lower case issue - Thank you Don
Diffstat (limited to 'LAPACKE/src/lapacke_cstegr.c')
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+/*****************************************************************************
+ 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 cstegr
+* Author: Intel Corporation
+* Generated November, 2011
+*****************************************************************************/
+
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_cstegr( int matrix_layout, char jobz, char range,
+ lapack_int n, float* d, float* e, float vl, float vu,
+ lapack_int il, lapack_int iu, float abstol,
+ lapack_int* m, float* w, lapack_complex_float* z,
+ lapack_int ldz, lapack_int* isuppz )
+{
+ lapack_int info = 0;
+ lapack_int liwork = -1;
+ lapack_int lwork = -1;
+ lapack_int* iwork = NULL;
+ float* work = NULL;
+ lapack_int iwork_query;
+ float work_query;
+ if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
+ LAPACKE_xerbla( "LAPACKE_cstegr", -1 );
+ return -1;
+ }
+#ifndef LAPACK_DISABLE_NAN_CHECK
+ /* Optionally check input matrices for NaNs */
+ if( LAPACKE_s_nancheck( 1, &abstol, 1 ) ) {
+ return -11;
+ }
+ if( LAPACKE_s_nancheck( n, d, 1 ) ) {
+ return -5;
+ }
+ if( LAPACKE_s_nancheck( n, e, 1 ) ) {
+ return -6;
+ }
+ if( LAPACKE_lsame( range, 'v' ) ) {
+ if( LAPACKE_s_nancheck( 1, &vl, 1 ) ) {
+ return -7;
+ }
+ }
+ if( LAPACKE_lsame( range, 'v' ) ) {
+ if( LAPACKE_s_nancheck( 1, &vu, 1 ) ) {
+ return -8;
+ }
+ }
+#endif
+ /* Query optimal working array(s) size */
+ info = LAPACKE_cstegr_work( matrix_layout, jobz, range, n, d, e, vl, vu, il,
+ iu, abstol, m, w, z, ldz, isuppz, &work_query,
+ lwork, &iwork_query, liwork );
+ if( info != 0 ) {
+ goto exit_level_0;
+ }
+ liwork = (lapack_int)iwork_query;
+ lwork = (lapack_int)work_query;
+ /* Allocate memory for work arrays */
+ iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
+ if( iwork == NULL ) {
+ info = LAPACK_WORK_MEMORY_ERROR;
+ goto exit_level_0;
+ }
+ work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
+ if( work == NULL ) {
+ info = LAPACK_WORK_MEMORY_ERROR;
+ goto exit_level_1;
+ }
+ /* Call middle-level interface */
+ info = LAPACKE_cstegr_work( matrix_layout, jobz, range, n, d, e, vl, vu, il,
+ iu, abstol, m, w, z, ldz, isuppz, work, lwork,
+ iwork, liwork );
+ /* Release memory and exit */
+ LAPACKE_free( work );
+exit_level_1:
+ LAPACKE_free( iwork );
+exit_level_0:
+ if( info == LAPACK_WORK_MEMORY_ERROR ) {
+ LAPACKE_xerbla( "LAPACKE_cstegr", info );
+ }
+ return info;
+}