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37 /*********************************************************************/
42 #ifdef FUNCTION_PROFILE
43 #include "functable.h"
55 #define ERROR_NAME "XSBMV "
57 #define ERROR_NAME "ZSBMV "
59 #define ERROR_NAME "CSBMV "
62 static int (*sbmv[])(BLASLONG, BLASLONG, FLOAT, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, void *) = {
73 static int (*sbmv_thread[])(BLASLONG, BLASLONG, FLOAT *, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
75 xsbmv_thread_U, xsbmv_thread_L,
77 zsbmv_thread_U, zsbmv_thread_L,
79 csbmv_thread_U, csbmv_thread_L,
84 void NAME(char *UPLO, blasint *N, blasint *K, FLOAT *ALPHA, FLOAT *a, blasint *LDA,
85 FLOAT *b, blasint *INCX, FLOAT *BETA, FLOAT *c, blasint *INCY){
87 char uplo_arg = *UPLO;
90 FLOAT alpha_r = ALPHA[0];
91 FLOAT alpha_i = ALPHA[1];
94 FLOAT beta_r = BETA[0];
95 FLOAT beta_i = BETA[1];
110 if (uplo_arg == 'U') uplo = 0;
111 if (uplo_arg == 'L') uplo = 1;
115 if (incy == 0) info = 11;
116 if (incx == 0) info = 8;
117 if (lda < k + 1) info = 6;
120 if (uplo < 0) info = 1;
123 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
129 if ((beta_r != ONE) || (beta_i != ZERO)) SCAL_K(n, 0, 0, beta_r, beta_i, c, blasabs(incy), NULL, 0, NULL, 0);
131 if ((alpha_r == ZERO) && (alpha_i == ZERO)) return;
135 FUNCTION_PROFILE_START();
137 if (incx < 0 ) b -= (n - 1) * incx * COMPSIZE;
138 if (incy < 0 ) c -= (n - 1) * incy * COMPSIZE;
140 buffer = (FLOAT *)blas_memory_alloc(1);
143 nthreads = num_cpu_avail(2);
148 (sbmv[uplo])(n, k, alpha_r, alpha_i, a, lda, b, incx, c, incy, buffer);
153 (sbmv_thread[uplo])(n, k, ALPHA, a, lda, b, incx, c, incy, buffer, nthreads);
158 blas_memory_free(buffer);
160 FUNCTION_PROFILE_END(4, n * k / 2 + n, n * k);