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Diffstat (limited to 'lapacke/src/lapacke_sspevx.c')
| -rw-r--r-- | lapacke/src/lapacke_sspevx.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lapacke/src/lapacke_sspevx.c b/lapacke/src/lapacke_sspevx.c new file mode 100644 index 00000000..0b30f804 --- /dev/null +++ b/lapacke/src/lapacke_sspevx.c @@ -0,0 +1,93 @@ +/***************************************************************************** + Copyright (c) 2011, 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 sspevx +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke.h" +#include "lapacke_utils.h" + +lapack_int LAPACKE_sspevx( int matrix_order, char jobz, char range, char uplo, + lapack_int n, float* ap, float vl, float vu, + lapack_int il, lapack_int iu, float abstol, + lapack_int* m, float* w, float* z, lapack_int ldz, + lapack_int* ifail ) +{ + lapack_int info = 0; + lapack_int* iwork = NULL; + float* work = NULL; + if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) { + LAPACKE_xerbla( "LAPACKE_sspevx", -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_ssp_nancheck( n, ap ) ) { + 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 + /* Allocate memory for working array(s) */ + iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) ); + if( iwork == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_0; + } + work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,8*n) ); + if( work == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_1; + } + /* Call middle-level interface */ + info = LAPACKE_sspevx_work( matrix_order, jobz, range, uplo, n, ap, vl, vu, + il, iu, abstol, m, w, z, ldz, work, iwork, + ifail ); + /* 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_sspevx", info ); + } + return info; +} |