Add lapacke inside LAPACK

1 files changed, 112 insertions, 0 deletions

diff --git a/lapacke/src/lapacke_sspgv_work.c b/lapacke/src/lapacke_sspgv_work.c
new file mode 100644
index 00000000..463fb9fb
--- /dev/null
+++ b/lapacke/src/lapacke_sspgv_work.c
@@ -0,0 +1,112 @@
+/*****************************************************************************
+  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 middle-level C interface to LAPACK function sspgv
+* Author: Intel Corporation
+* Generated November, 2011
+*****************************************************************************/
+
+#include "lapacke.h"
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_sspgv_work( int matrix_order, lapack_int itype, char jobz,
+                               char uplo, lapack_int n, float* ap, float* bp,
+                               float* w, float* z, lapack_int ldz, float* work )
+{
+    lapack_int info = 0;
+    if( matrix_order == LAPACK_COL_MAJOR ) {
+        /* Call LAPACK function and adjust info */
+        LAPACK_sspgv( &itype, &jobz, &uplo, &n, ap, bp, w, z, &ldz, work,
+                      &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+    } else if( matrix_order == LAPACK_ROW_MAJOR ) {
+        lapack_int ldz_t = MAX(1,n);
+        float* z_t = NULL;
+        float* ap_t = NULL;
+        float* bp_t = NULL;
+        /* Check leading dimension(s) */
+        if( ldz < n ) {
+            info = -10;
+            LAPACKE_xerbla( "LAPACKE_sspgv_work", info );
+            return info;
+        }
+        /* Allocate memory for temporary array(s) */
+        if( LAPACKE_lsame( jobz, 'v' ) ) {
+            z_t = (float*)LAPACKE_malloc( sizeof(float) * ldz_t * MAX(1,n) );
+            if( z_t == NULL ) {
+                info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+                goto exit_level_0;
+            }
+        }
+        ap_t = (float*)
+            LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
+        if( ap_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_1;
+        }
+        bp_t = (float*)
+            LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
+        if( bp_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_2;
+        }
+        /* Transpose input matrices */
+        LAPACKE_ssp_trans( matrix_order, uplo, n, ap, ap_t );
+        LAPACKE_ssp_trans( matrix_order, uplo, n, bp, bp_t );
+        /* Call LAPACK function and adjust info */
+        LAPACK_sspgv( &itype, &jobz, &uplo, &n, ap_t, bp_t, w, z_t, &ldz_t,
+                      work, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+        /* Transpose output matrices */
+        if( LAPACKE_lsame( jobz, 'v' ) ) {
+            LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, z_t, ldz_t, z, ldz );
+        }
+        LAPACKE_ssp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
+        LAPACKE_ssp_trans( LAPACK_COL_MAJOR, uplo, n, bp_t, bp );
+        /* Release memory and exit */
+        LAPACKE_free( bp_t );
+exit_level_2:
+        LAPACKE_free( ap_t );
+exit_level_1:
+        if( LAPACKE_lsame( jobz, 'v' ) ) {
+            LAPACKE_free( z_t );
+        }
+exit_level_0:
+        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
+            LAPACKE_xerbla( "LAPACKE_sspgv_work", info );
+        }
+    } else {
+        info = -1;
+        LAPACKE_xerbla( "LAPACKE_sspgv_work", info );
+    }
+    return info;
+}