1 /*********************************************************************/
2 /* Copyright 2009, 2010 The University of Texas at Austin. */
3 /* All rights reserved. */
5 /* Redistribution and use in source and binary forms, with or */
6 /* without modification, are permitted provided that the following */
7 /* conditions are met: */
9 /* 1. Redistributions of source code must retain the above */
10 /* copyright notice, this list of conditions and the following */
13 /* 2. Redistributions in binary form must reproduce the above */
14 /* copyright notice, this list of conditions and the following */
15 /* disclaimer in the documentation and/or other materials */
16 /* provided with the distribution. */
18 /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
19 /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
20 /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
21 /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
22 /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
23 /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
24 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
25 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
26 /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
27 /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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29 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
30 /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
31 /* POSSIBILITY OF SUCH DAMAGE. */
33 /* The views and conclusions contained in the software and */
34 /* documentation are those of the authors and should not be */
35 /* interpreted as representing official policies, either expressed */
36 /* or implied, of The University of Texas at Austin. */
37 /*********************************************************************/
42 #ifdef FUNCTION_PROFILE
43 #include "functable.h"
47 #define ERROR_NAME "QSPR "
49 #define ERROR_NAME "DSPR "
51 #define ERROR_NAME "SSPR "
54 static int (*spr[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, FLOAT *) = {
65 static int (*spr_thread[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, FLOAT *, int) = {
67 qspr_thread_U, qspr_thread_L,
69 dspr_thread_U, dspr_thread_L,
71 sspr_thread_U, sspr_thread_L,
78 void NAME(char *UPLO, blasint *N, FLOAT *ALPHA,
79 FLOAT *x, blasint *INCX, FLOAT *a){
81 char uplo_arg = *UPLO;
98 if (uplo_arg == 'U') uplo = 0;
99 if (uplo_arg == 'L') uplo = 1;
103 if (incx == 0) info = 5;
105 if (uplo < 0) info = 1;
108 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
114 void CNAME(enum CBLAS_ORDER order,
115 enum CBLAS_UPLO Uplo,
118 FLOAT *x, blasint incx,
133 if (order == CblasColMajor) {
134 if (Uplo == CblasUpper) uplo = 0;
135 if (Uplo == CblasLower) uplo = 1;
139 if (incx == 0) info = 5;
141 if (uplo < 0) info = 1;
144 if (order == CblasRowMajor) {
145 if (Uplo == CblasUpper) uplo = 1;
146 if (Uplo == CblasLower) uplo = 0;
150 if (incx == 0) info = 5;
152 if (uplo < 0) info = 1;
156 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
164 if (alpha == ZERO) return;
168 FUNCTION_PROFILE_START();
170 if (incx < 0 ) x -= (n - 1) * incx;
172 buffer = (FLOAT *)blas_memory_alloc(1);
175 nthreads = num_cpu_avail(2);
180 (spr[uplo])(n, alpha, x, incx, a, buffer);
185 (spr_thread[uplo])(n, alpha, x, incx, a, buffer, nthreads);
190 blas_memory_free(buffer);
192 FUNCTION_PROFILE_END(1, n * n / 2 + n, n * n);