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diff --git a/lapacke/utils/lapacke_dtf_trans.c b/lapacke/utils/lapacke_dtf_trans.c
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+++ b/lapacke/utils/lapacke_dtf_trans.c
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+/*****************************************************************************
+  Copyright (c) 2010, 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 C interface to LAPACK utility function
+* Author: Intel Corporation
+* Created in February, 2010
+*****************************************************************************/
+
+#include "lapacke_utils.h"
+
+/* Converts input RFP matrix from row-major(C) to column-major(Fortran)
+ * layout or vice versa.
+ * This functions does copy diagonal for both unit and non-unit cases.
+ */
+
+void LAPACKE_dtf_trans( int matrix_order, char transr, char uplo, char diag,
+                        lapack_int n, const double *in,
+                        double *out )
+{
+    lapack_int row, col;
+    lapack_logical rowmaj, ntr, lower, unit;
+
+    if( in == NULL || out == NULL ) return ;
+
+    rowmaj = (matrix_order == LAPACK_ROW_MAJOR);
+    ntr    = LAPACKE_lsame( transr, 'n' );
+    lower  = LAPACKE_lsame( uplo,   'l' );
+    unit   = LAPACKE_lsame( diag,   'u' );
+
+    if( ( !rowmaj && ( matrix_order != LAPACK_COL_MAJOR ) ) ||
+        ( !ntr    && !LAPACKE_lsame( transr, 't' ) &&
+                     !LAPACKE_lsame( transr, 'c' ) ) ||
+        ( !lower  && !LAPACKE_lsame( uplo,   'u' ) ) ||
+        ( !unit   && !LAPACKE_lsame( diag,   'n' ) ) ) {
+        /* Just exit if input parameters are wrong */
+        return;
+    }
+
+    /* Determine parameters of array representing RFP */
+    if( ntr ) {
+        if( n%2 == 0 ) {
+            row = n + 1;
+            col = n / 2;
+        } else {
+            row = n;
+            col = (n + 1) / 2;
+        }
+    } else {
+        if( n%2 == 0 ) {
+            row = n / 2;
+            col = n + 1;
+        } else {
+            row = (n + 1) / 2;
+            col = n;
+        }
+    }
+
+    /* Perform conversion: */
+    if( rowmaj ) {
+        LAPACKE_dge_trans( LAPACK_ROW_MAJOR, row, col, in, col, out, row );
+    } else {
+        LAPACKE_dge_trans( LAPACK_COL_MAJOR, row, col, in, row, out, col );
+    }
+}