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3 /* All rights reserved. */
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19 /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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37 /*********************************************************************/
42 #ifdef FUNCTION_PROFILE
43 #include "functable.h"
47 #define ERROR_NAME "XTBSV "
49 #define ERROR_NAME "ZTBSV "
51 #define ERROR_NAME "CTBSV "
54 static int (*tbsv[])(BLASLONG, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, void *) = {
56 xtbsv_NUU, xtbsv_NUN, xtbsv_NLU, xtbsv_NLN,
57 xtbsv_TUU, xtbsv_TUN, xtbsv_TLU, xtbsv_TLN,
58 xtbsv_RUU, xtbsv_RUN, xtbsv_RLU, xtbsv_RLN,
59 xtbsv_CUU, xtbsv_CUN, xtbsv_CLU, xtbsv_CLN,
61 ztbsv_NUU, ztbsv_NUN, ztbsv_NLU, ztbsv_NLN,
62 ztbsv_TUU, ztbsv_TUN, ztbsv_TLU, ztbsv_TLN,
63 ztbsv_RUU, ztbsv_RUN, ztbsv_RLU, ztbsv_RLN,
64 ztbsv_CUU, ztbsv_CUN, ztbsv_CLU, ztbsv_CLN,
66 ctbsv_NUU, ctbsv_NUN, ctbsv_NLU, ctbsv_NLN,
67 ctbsv_TUU, ctbsv_TUN, ctbsv_TLU, ctbsv_TLN,
68 ctbsv_RUU, ctbsv_RUN, ctbsv_RLU, ctbsv_RLN,
69 ctbsv_CUU, ctbsv_CUN, ctbsv_CLU, ctbsv_CLN,
75 void NAME(char *UPLO, char *TRANS, char *DIAG,
76 blasint *N, blasint *K,
77 FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX){
79 char uplo_arg = *UPLO;
80 char trans_arg = *TRANS;
81 char diag_arg = *DIAG;
104 if (trans_arg == 'N') trans = 0;
105 if (trans_arg == 'T') trans = 1;
106 if (trans_arg == 'R') trans = 2;
107 if (trans_arg == 'C') trans = 3;
109 if (diag_arg == 'U') unit = 0;
110 if (diag_arg == 'N') unit = 1;
112 if (uplo_arg == 'U') uplo = 0;
113 if (uplo_arg == 'L') uplo = 1;
117 if (incx == 0) info = 9;
118 if (lda < k + 1) info = 7;
121 if (unit < 0) info = 3;
122 if (trans < 0) info = 2;
123 if (uplo < 0) info = 1;
126 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
132 void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo,
133 enum CBLAS_TRANSPOSE TransA, enum CBLAS_DIAG Diag,
134 blasint n, blasint k, void *va, blasint lda, void *vx, blasint incx) {
136 FLOAT *a = (FLOAT*) va;
137 FLOAT *x = (FLOAT*) vx;
139 int trans, uplo, unit;
150 if (order == CblasColMajor) {
151 if (Uplo == CblasUpper) uplo = 0;
152 if (Uplo == CblasLower) uplo = 1;
154 if (TransA == CblasNoTrans) trans = 0;
155 if (TransA == CblasTrans) trans = 1;
156 if (TransA == CblasConjNoTrans) trans = 2;
157 if (TransA == CblasConjTrans) trans = 3;
159 if (Diag == CblasUnit) unit = 0;
160 if (Diag == CblasNonUnit) unit = 1;
164 if (incx == 0) info = 9;
165 if (lda < k + 1) info = 7;
168 if (unit < 0) info = 3;
169 if (trans < 0) info = 2;
170 if (uplo < 0) info = 1;
173 if (order == CblasRowMajor) {
174 if (Uplo == CblasUpper) uplo = 1;
175 if (Uplo == CblasLower) uplo = 0;
177 if (TransA == CblasNoTrans) trans = 1;
178 if (TransA == CblasTrans) trans = 0;
179 if (TransA == CblasConjNoTrans) trans = 3;
180 if (TransA == CblasConjTrans) trans = 2;
182 if (Diag == CblasUnit) unit = 0;
183 if (Diag == CblasNonUnit) unit = 1;
187 if (incx == 0) info = 9;
188 if (lda < k + 1) info = 7;
191 if (unit < 0) info = 3;
192 if (trans < 0) info = 2;
193 if (uplo < 0) info = 1;
197 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
207 FUNCTION_PROFILE_START();
209 if (incx < 0 ) x -= (n - 1) * incx * 2;
211 buffer = (FLOAT *)blas_memory_alloc(1);
213 (tbsv[(trans<<2) | (uplo<<1) | unit])(n, k, a, lda, x, incx, buffer);
215 blas_memory_free(buffer);
217 FUNCTION_PROFILE_END(4, n * k / 2 + n, n * k);