1 /*********************************************************************/
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: */
9 /* 1. Redistributions of source code must retain the above */
10 /* copyright notice, this list of conditions and the following */
13 /* 2. Redistributions in binary form must reproduce the above */
14 /* copyright notice, this list of conditions and the following */
15 /* disclaimer in the documentation and/or other materials */
16 /* provided with the distribution. */
18 /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
19 /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
20 /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
21 /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
22 /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
23 /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
24 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
25 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
26 /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
27 /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
28 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
29 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
30 /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
31 /* POSSIBILITY OF SUCH DAMAGE. */
33 /* The views and conclusions contained in the software and */
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 "QTBSV "
49 #define ERROR_NAME "DTBSV "
51 #define ERROR_NAME "STBSV "
54 static int (*tbsv[])(BLASLONG, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, void *) = {
56 qtbsv_NUU, qtbsv_NUN, qtbsv_NLU, qtbsv_NLN,
57 qtbsv_TUU, qtbsv_TUN, qtbsv_TLU, qtbsv_TLN,
59 dtbsv_NUU, dtbsv_NUN, dtbsv_NLU, dtbsv_NLN,
60 dtbsv_TUU, dtbsv_TUN, dtbsv_TLU, dtbsv_TLN,
62 stbsv_NUU, stbsv_NUN, stbsv_NLU, stbsv_NLN,
63 stbsv_TUU, stbsv_TUN, stbsv_TLU, stbsv_TLN,
69 void NAME(char *UPLO, char *TRANS, char *DIAG,
70 blasint *N, blasint *K,
71 FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX){
73 char uplo_arg = *UPLO;
74 char trans_arg = *TRANS;
75 char diag_arg = *DIAG;
98 if (trans_arg == 'N') trans = 0;
99 if (trans_arg == 'T') trans = 1;
100 if (trans_arg == 'R') trans = 0;
101 if (trans_arg == 'C') trans = 1;
103 if (diag_arg == 'U') unit = 0;
104 if (diag_arg == 'N') unit = 1;
106 if (uplo_arg == 'U') uplo = 0;
107 if (uplo_arg == 'L') uplo = 1;
111 if (incx == 0) info = 9;
112 if (lda < k + 1) info = 7;
115 if (unit < 0) info = 3;
116 if (trans < 0) info = 2;
117 if (uplo < 0) info = 1;
120 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
126 void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo,
127 enum CBLAS_TRANSPOSE TransA, enum CBLAS_DIAG Diag,
128 blasint n, blasint k, FLOAT *a, blasint lda, FLOAT *x, blasint incx) {
130 int trans, uplo, unit;
141 if (order == CblasColMajor) {
142 if (Uplo == CblasUpper) uplo = 0;
143 if (Uplo == CblasLower) uplo = 1;
145 if (TransA == CblasNoTrans) trans = 0;
146 if (TransA == CblasTrans) trans = 1;
147 if (TransA == CblasConjNoTrans) trans = 0;
148 if (TransA == CblasConjTrans) trans = 1;
150 if (Diag == CblasUnit) unit = 0;
151 if (Diag == CblasNonUnit) unit = 1;
155 if (incx == 0) info = 9;
156 if (lda < k + 1) info = 7;
159 if (unit < 0) info = 3;
160 if (trans < 0) info = 2;
161 if (uplo < 0) info = 1;
164 if (order == CblasRowMajor) {
165 if (Uplo == CblasUpper) uplo = 1;
166 if (Uplo == CblasLower) uplo = 0;
168 if (TransA == CblasNoTrans) trans = 1;
169 if (TransA == CblasTrans) trans = 0;
170 if (TransA == CblasConjNoTrans) trans = 1;
171 if (TransA == CblasConjTrans) trans = 0;
173 if (Diag == CblasUnit) unit = 0;
174 if (Diag == CblasNonUnit) unit = 1;
178 if (incx == 0) info = 9;
179 if (lda < k + 1) info = 7;
182 if (unit < 0) info = 3;
183 if (trans < 0) info = 2;
184 if (uplo < 0) info = 1;
188 BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
198 FUNCTION_PROFILE_START();
200 if (incx < 0 ) x -= (n - 1) * incx;
202 buffer = (FLOAT *)blas_memory_alloc(1);
204 (tbsv[(trans<<2) | (uplo<<1) | unit])(n, k, a, lda, x, incx, buffer);
206 blas_memory_free(buffer);
208 FUNCTION_PROFILE_END(1, n * k / 2 + n, n * k);