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2 /* Copyright 2009, 2010 The University of Texas at Austin. */
3 /* All rights reserved. */
5 /* Redistribution and use in source and binary forms, with or */
6 /* without modification, are permitted provided that the following */
7 /* conditions are met: */
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16 /* provided with the distribution. */
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19 /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
20 /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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34 /* documentation are those of the authors and should not be */
35 /* interpreted as representing official policies, either expressed */
36 /* or implied, of The University of Texas at Austin. */
37 /*********************************************************************/
42 #ifdef FUNCTION_PROFILE
43 #include "functable.h"
47 #define ERROR_NAME "QTRSV "
49 #define ERROR_NAME "DTRSV "
51 #define ERROR_NAME "STRSV "
54 static int (*trsv[])(BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, void *) = {
56 qtrsv_NUU, qtrsv_NUN, qtrsv_NLU, qtrsv_NLN,
57 qtrsv_TUU, qtrsv_TUN, qtrsv_TLU, qtrsv_TLN,
59 dtrsv_NUU, dtrsv_NUN, dtrsv_NLU, dtrsv_NLN,
60 dtrsv_TUU, dtrsv_TUN, dtrsv_TLU, dtrsv_TLN,
62 strsv_NUU, strsv_NUN, strsv_NLU, strsv_NLN,
63 strsv_TUU, strsv_TUN, strsv_TLU, strsv_TLN,
69 void NAME(char *UPLO, char *TRANS, char *DIAG,
70 blasint *N, FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX){
72 char uplo_arg = *UPLO;
73 char trans_arg = *TRANS;
74 char diag_arg = *DIAG;
96 if (trans_arg == 'N') trans = 0;
97 if (trans_arg == 'T') trans = 1;
98 if (trans_arg == 'R') trans = 0;
99 if (trans_arg == 'C') trans = 1;
101 if (diag_arg == 'U') unit = 0;
102 if (diag_arg == 'N') unit = 1;
104 if (uplo_arg == 'U') uplo = 0;
105 if (uplo_arg == 'L') uplo = 1;
109 if (incx == 0) info = 8;
110 if (lda < MAX(1, n)) info = 6;
112 if (unit < 0) info = 3;
113 if (trans < 0) info = 2;
114 if (uplo < 0) info = 1;
117 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
123 void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo,
124 enum CBLAS_TRANSPOSE TransA, enum CBLAS_DIAG Diag,
125 blasint n, FLOAT *a, blasint lda, FLOAT *x, blasint incx) {
127 int trans, uplo, unit;
138 if (order == CblasColMajor) {
139 if (Uplo == CblasUpper) uplo = 0;
140 if (Uplo == CblasLower) uplo = 1;
142 if (TransA == CblasNoTrans) trans = 0;
143 if (TransA == CblasTrans) trans = 1;
144 if (TransA == CblasConjNoTrans) trans = 0;
145 if (TransA == CblasConjTrans) trans = 1;
147 if (Diag == CblasUnit) unit = 0;
148 if (Diag == CblasNonUnit) unit = 1;
152 if (incx == 0) info = 8;
153 if (lda < MAX(1, n)) info = 6;
155 if (unit < 0) info = 3;
156 if (trans < 0) info = 2;
157 if (uplo < 0) info = 1;
160 if (order == CblasRowMajor) {
161 if (Uplo == CblasUpper) uplo = 1;
162 if (Uplo == CblasLower) uplo = 0;
164 if (TransA == CblasNoTrans) trans = 1;
165 if (TransA == CblasTrans) trans = 0;
166 if (TransA == CblasConjNoTrans) trans = 1;
167 if (TransA == CblasConjTrans) trans = 0;
169 if (Diag == CblasUnit) unit = 0;
170 if (Diag == CblasNonUnit) unit = 1;
174 if (incx == 0) info = 8;
175 if (lda < MAX(1, n)) info = 6;
177 if (unit < 0) info = 3;
178 if (trans < 0) info = 2;
179 if (uplo < 0) info = 1;
183 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
193 FUNCTION_PROFILE_START();
195 if (incx < 0 ) x -= (n - 1) * incx;
197 buffer = (FLOAT *)blas_memory_alloc(1);
199 (trsv[(trans<<2) | (uplo<<1) | unit])(n, a, lda, x, incx, buffer);
201 blas_memory_free(buffer);
203 FUNCTION_PROFILE_END(1, n * n / 2 + n, n * n);