Add lapacke inside LAPACK

1 files changed, 142 insertions, 0 deletions

diff --git a/lapacke/src/lapacke_cgeev_work.c b/lapacke/src/lapacke_cgeev_work.c
new file mode 100644
index 00000000..14e1902a
--- /dev/null
+++ b/lapacke/src/lapacke_cgeev_work.c
@@ -0,0 +1,142 @@
+/*****************************************************************************
+  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 cgeev
+* Author: Intel Corporation
+* Generated November, 2011
+*****************************************************************************/
+
+#include "lapacke.h"
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_cgeev_work( int matrix_order, char jobvl, char jobvr,
+                               lapack_int n, lapack_complex_float* a,
+                               lapack_int lda, lapack_complex_float* w,
+                               lapack_complex_float* vl, lapack_int ldvl,
+                               lapack_complex_float* vr, lapack_int ldvr,
+                               lapack_complex_float* work, lapack_int lwork,
+                               float* rwork )
+{
+    lapack_int info = 0;
+    if( matrix_order == LAPACK_COL_MAJOR ) {
+        /* Call LAPACK function and adjust info */
+        LAPACK_cgeev( &jobvl, &jobvr, &n, a, &lda, w, vl, &ldvl, vr, &ldvr,
+                      work, &lwork, rwork, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+    } else if( matrix_order == LAPACK_ROW_MAJOR ) {
+        lapack_int lda_t = MAX(1,n);
+        lapack_int ldvl_t = MAX(1,n);
+        lapack_int ldvr_t = MAX(1,n);
+        lapack_complex_float* a_t = NULL;
+        lapack_complex_float* vl_t = NULL;
+        lapack_complex_float* vr_t = NULL;
+        /* Check leading dimension(s) */
+        if( lda < n ) {
+            info = -6;
+            LAPACKE_xerbla( "LAPACKE_cgeev_work", info );
+            return info;
+        }
+        if( ldvl < n ) {
+            info = -9;
+            LAPACKE_xerbla( "LAPACKE_cgeev_work", info );
+            return info;
+        }
+        if( ldvr < n ) {
+            info = -11;
+            LAPACKE_xerbla( "LAPACKE_cgeev_work", info );
+            return info;
+        }
+        /* Query optimal working array(s) size if requested */
+        if( lwork == -1 ) {
+            LAPACK_cgeev( &jobvl, &jobvr, &n, a, &lda_t, w, vl, &ldvl_t, vr,
+                          &ldvr_t, work, &lwork, rwork, &info );
+            return (info < 0) ? (info - 1) : info;
+        }
+        /* Allocate memory for temporary array(s) */
+        a_t = (lapack_complex_float*)
+            LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
+        if( a_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_0;
+        }
+        if( LAPACKE_lsame( jobvl, 'v' ) ) {
+            vl_t = (lapack_complex_float*)
+                LAPACKE_malloc( sizeof(lapack_complex_float) *
+                                ldvl_t * MAX(1,n) );
+            if( vl_t == NULL ) {
+                info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+                goto exit_level_1;
+            }
+        }
+        if( LAPACKE_lsame( jobvr, 'v' ) ) {
+            vr_t = (lapack_complex_float*)
+                LAPACKE_malloc( sizeof(lapack_complex_float) *
+                                ldvr_t * MAX(1,n) );
+            if( vr_t == NULL ) {
+                info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+                goto exit_level_2;
+            }
+        }
+        /* Transpose input matrices */
+        LAPACKE_cge_trans( matrix_order, n, n, a, lda, a_t, lda_t );
+        /* Call LAPACK function and adjust info */
+        LAPACK_cgeev( &jobvl, &jobvr, &n, a_t, &lda_t, w, vl_t, &ldvl_t, vr_t,
+                      &ldvr_t, work, &lwork, rwork, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+        /* Transpose output matrices */
+        LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
+        if( LAPACKE_lsame( jobvl, 'v' ) ) {
+            LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, vl_t, ldvl_t, vl, ldvl );
+        }
+        if( LAPACKE_lsame( jobvr, 'v' ) ) {
+            LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, vr_t, ldvr_t, vr, ldvr );
+        }
+        /* Release memory and exit */
+        if( LAPACKE_lsame( jobvr, 'v' ) ) {
+            LAPACKE_free( vr_t );
+        }
+exit_level_2:
+        if( LAPACKE_lsame( jobvl, 'v' ) ) {
+            LAPACKE_free( vl_t );
+        }
+exit_level_1:
+        LAPACKE_free( a_t );
+exit_level_0:
+        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
+            LAPACKE_xerbla( "LAPACKE_cgeev_work", info );
+        }
+    } else {
+        info = -1;
+        LAPACKE_xerbla( "LAPACKE_cgeev_work", info );
+    }
+    return info;
+}