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2 /* Copyright 2009, 2010 The University of Texas at Austin. */
3 /* All rights reserved. */
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37 /*********************************************************************/
42 #ifdef FUNCTION_PROFILE
43 #include "functable.h"
47 #define ERROR_NAME "QSYMV "
49 #define ERROR_NAME "DSYMV "
51 #define ERROR_NAME "SSYMV "
56 void NAME(char *UPLO, blasint *N, FLOAT *ALPHA, FLOAT *a, blasint *LDA,
57 FLOAT *x, blasint *INCX, FLOAT *BETA, FLOAT *y, blasint *INCY){
59 char uplo_arg = *UPLO;
67 int (*symv[])(BLASLONG, BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
72 int (*symv_thread[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
73 SYMV_THREAD_U, SYMV_THREAD_L,
89 if (uplo_arg == 'U') uplo = 0;
90 if (uplo_arg == 'L') uplo = 1;
94 if (incy == 0) info = 10;
95 if (incx == 0) info = 7;
96 if (lda < MAX(1, n)) info = 5;
98 if (uplo < 0) info = 1;
101 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
107 void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, blasint n, FLOAT alpha,
108 FLOAT *a, blasint lda, FLOAT *x, blasint incx, FLOAT beta, FLOAT *y, blasint incy) {
117 int (*symv[])(BLASLONG, BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
122 int (*symv_thread[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
123 SYMV_THREAD_U, SYMV_THREAD_L,
132 if (order == CblasColMajor) {
134 if (Uplo == CblasUpper) uplo = 0;
135 if (Uplo == CblasLower) uplo = 1;
139 if (incy == 0) info = 10;
140 if (incx == 0) info = 7;
141 if (lda < MAX(1, n)) info = 5;
143 if (uplo < 0) info = 1;
146 if (order == CblasRowMajor) {
148 if (Uplo == CblasUpper) uplo = 1;
149 if (Uplo == CblasLower) uplo = 0;
153 if (incy == 0) info = 10;
154 if (incx == 0) info = 7;
155 if (lda < MAX(1, n)) info = 5;
157 if (uplo < 0) info = 1;
161 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
169 if (beta != ONE) SCAL_K(n, 0, 0, beta, y, blasabs(incy), NULL, 0, NULL, 0);
171 if (alpha == ZERO) return;
175 FUNCTION_PROFILE_START();
177 if (incx < 0 ) x -= (n - 1) * incx;
178 if (incy < 0 ) y -= (n - 1) * incy;
180 buffer = (FLOAT *)blas_memory_alloc(1);
183 nthreads = num_cpu_avail(2);
188 (symv[uplo])(n, n, alpha, a, lda, x, incx, y, incy, buffer);
193 (symv_thread[uplo])(n, alpha, a, lda, x, incx, y, incy, buffer, nthreads);
198 blas_memory_free(buffer);
200 FUNCTION_PROFILE_END(1, n * n / 2 + 2 * n, 2 * n * n);