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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 "QSYR2 "
49 #define ERROR_NAME "ZSYR2 "
51 #define ERROR_NAME "CSYR2 "
54 static int (*syr2[])(BLASLONG, FLOAT, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
65 static int (*syr2_thread[])(BLASLONG, FLOAT *, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
67 xsyr2_thread_U, xsyr2_thread_L,
69 zsyr2_thread_U, zsyr2_thread_L,
71 csyr2_thread_U, csyr2_thread_L,
76 void NAME(char *UPLO, blasint *N, FLOAT *ALPHA,
77 FLOAT *x, blasint *INCX, FLOAT *y, blasint *INCY, FLOAT *a, blasint *LDA){
79 char uplo_arg = *UPLO;
81 FLOAT alpha_r = ALPHA[0];
82 FLOAT alpha_i = ALPHA[1];
99 if (uplo_arg == 'U') uplo = 0;
100 if (uplo_arg == 'L') uplo = 1;
104 if (lda < MAX(1, n)) info = 9;
105 if (incy == 0) info = 7;
106 if (incx == 0) info = 5;
108 if (uplo < 0) info = 1;
111 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
117 if ((alpha_r == ZERO) && (alpha_i == ZERO)) return;
121 FUNCTION_PROFILE_START();
123 if (incx < 0 ) x -= (n - 1) * incx;
124 if (incy < 0 ) y -= (n - 1) * incy;
126 buffer = (FLOAT *)blas_memory_alloc(1);
129 nthreads = num_cpu_avail(2);
134 (syr2[uplo])(n, alpha_r, alpha_i, x, incx, y, incy, a, lda, buffer);
139 (syr2_thread[uplo])(n, ALPHA, x, incx, y, incy, a, lda, buffer, nthreads);
144 blas_memory_free(buffer);
146 FUNCTION_PROFILE_END(4, n * n / 2 + 2 * n, 2 * n * n);