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1 /* ======================================================================= */
2 /* DSPF_sp_mat_submat_copy_cplx.c -- Complex Sub-Matrix Copy               */
3 /*              Optimized C Implementation (w/ Intrinsics)                 */
4 /*                                                                         */
5 /* Rev 0.0.1                                                               */
6 /*                                                                         */
7 /* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/  */ 
8 /*                                                                         */
9 /*                                                                         */
10 /*  Redistribution and use in source and binary forms, with or without     */
11 /*  modification, are permitted provided that the following conditions     */
12 /*  are met:                                                               */
13 /*                                                                         */
14 /*    Redistributions of source code must retain the above copyright       */
15 /*    notice, this list of conditions and the following disclaimer.        */
16 /*                                                                         */
17 /*    Redistributions in binary form must reproduce the above copyright    */
18 /*    notice, this list of conditions and the following disclaimer in the  */
19 /*    documentation and/or other materials provided with the               */
20 /*    distribution.                                                        */
21 /*                                                                         */
22 /*    Neither the name of Texas Instruments Incorporated nor the names of  */
23 /*    its contributors may be used to endorse or promote products derived  */
24 /*    from this software without specific prior written permission.        */
25 /*                                                                         */
26 /*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS    */
27 /*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT      */
28 /*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR  */
29 /*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT   */
30 /*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,  */
31 /*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT       */
32 /*  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,  */
33 /*  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY  */
34 /*  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT    */
35 /*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE  */
36 /*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.   */
37 /*                                                                         */
38 /* ======================================================================= */
40 #pragma CODE_SECTION(DSPF_sp_mat_submat_copy_cplx, ".text:optimized");
42 #include "DSPF_sp_mat_submat_copy_cplx.h"
44 void DSPF_sp_mat_submat_copy_cplx(float *restrict x, int rows, int cols, 
45     int st, int n, float *restrict y, int dir)
46 {
47     int i, j;
48     
49     if (!dir) {
50       #pragma MUST_ITERATE(1,,)
51       for (j = 0; j < cols; j++) {
52         #pragma MUST_ITERATE(1,,)
53         for (i = st; i < st + n; i ++ ) {
54           _amemd8(&y[2 * ((i - st) + j * n)]) = _amemd8_const(&x[2 * (i + j * rows)]);
55         }
56       }
57     }
58     else {
59       #pragma MUST_ITERATE(1,,)
60       for (j = 0; j < cols; j++) {
61         #pragma MUST_ITERATE(1,,)
62         for (i = st; i < st + n; i ++ ) {
63           _amemd8(&x[2 * (i + j * rows)]) = _amemd8_const(&y[2 * ((i - st) + j * n)]);
64         }
65       }   
66     }                                     
67 }
69 /* ======================================================================= */
70 /*  End of file:  DSPF_sp_mat_submat_copy_cplx.c                           */
71 /* ----------------------------------------------------------------------- */
72 /*            Copyright (c) 2011 Texas Instruments, Incorporated.          */
73 /*                           All Rights Reserved.                          */
74 /* ======================================================================= */