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2 /* Copyright 2009, 2010 The University of Texas at Austin. */
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37 /*********************************************************************/
42 #ifdef FUNCTION_PROFILE
43 #include "functable.h"
47 #define ERROR_NAME "QSYR2 "
49 #define ERROR_NAME "DSYR2 "
51 #define ERROR_NAME "SSYR2 "
54 static int (*syr2[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
65 static int (*syr2_thread[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
67 qsyr2_thread_U, qsyr2_thread_L,
69 dsyr2_thread_U, dsyr2_thread_L,
71 ssyr2_thread_U, ssyr2_thread_L,
78 void NAME(char *UPLO, blasint *N, FLOAT *ALPHA,
79 FLOAT *x, blasint *INCX, FLOAT *y, blasint *INCY, FLOAT *a, blasint *LDA){
81 char uplo_arg = *UPLO;
100 if (uplo_arg == 'U') uplo = 0;
101 if (uplo_arg == 'L') uplo = 1;
105 if (lda < MAX(1, n)) info = 9;
106 if (incy == 0) info = 7;
107 if (incx == 0) info = 5;
109 if (uplo < 0) info = 1;
112 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
118 void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, blasint n, FLOAT alpha, FLOAT *x, blasint incx, FLOAT *y, blasint incy, FLOAT *a, blasint lda) {
132 if (order == CblasColMajor) {
134 if (Uplo == CblasUpper) uplo = 0;
135 if (Uplo == CblasLower) uplo = 1;
139 if (lda < MAX(1, n)) info = 9;
140 if (incy == 0) info = 7;
141 if (incx == 0) 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 (lda < MAX(1, n)) info = 9;
154 if (incy == 0) info = 7;
155 if (incx == 0) info = 5;
157 if (uplo < 0) info = 1;
161 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
169 if (alpha == ZERO) return;
173 FUNCTION_PROFILE_START();
175 if (incx < 0 ) x -= (n - 1) * incx;
176 if (incy < 0 ) y -= (n - 1) * incy;
178 buffer = (FLOAT *)blas_memory_alloc(1);
181 nthreads = num_cpu_avail(2);
186 (syr2[uplo])(n, alpha, x, incx, y, incy, a, lda, buffer);
191 (syr2_thread[uplo])(n, alpha, x, incx, y, incy, a, lda, buffer, nthreads);
196 blas_memory_free(buffer);
198 FUNCTION_PROFILE_END(1, n * n / 2 + 2 * n, 2 * n * n);