1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#include <stdio.h>
#include "common.h"
#ifdef FUNCTION_PROFILE
#include "functable.h"
#endif
#ifdef XDOUBLE
#define ERROR_NAME "QTRTRI"
#elif defined(DOUBLE)
#define ERROR_NAME "DTRTRI"
#else
#define ERROR_NAME "STRTRI"
#endif
static blasint (*trtri_single[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) ={
TRTRI_UU_SINGLE, TRTRI_UN_SINGLE, TRTRI_LU_SINGLE, TRTRI_LN_SINGLE,
};
#ifdef SMP
static blasint (*trtri_parallel[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) ={
TRTRI_UU_PARALLEL, TRTRI_UN_PARALLEL, TRTRI_LU_PARALLEL, TRTRI_LN_PARALLEL,
};
#endif
extern void dtrtri_lapack_(char *UPLO, char *DIAG, int *N, double *a, int *ldA, int *Info);
int NAME(char *UPLO, char *DIAG, blasint *N, FLOAT *a, blasint *ldA, blasint *Info){
blas_arg_t args;
blasint uplo_arg = *UPLO;
blasint diag_arg = *DIAG;
blasint uplo, diag;
blasint info;
FLOAT *buffer;
#ifdef PPC440
extern
#endif
FLOAT *sa, *sb;
PRINT_DEBUG_NAME;
args.n = *N;
args.a = (void *)a;
args.lda = *ldA;
TOUPPER(uplo_arg);
TOUPPER(diag_arg);
uplo = -1;
if (uplo_arg == 'U') uplo = 0;
if (uplo_arg == 'L') uplo = 1;
diag = -1;
if (diag_arg == 'U') diag = 0;
if (diag_arg == 'N') diag = 1;
info = 0;
if (args.lda < MAX(1,args.n)) info = 5;
if (args.n < 0) info = 3;
if (diag < 0) info = 2;
if (uplo < 0) info = 1;
if (info) {
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
*Info = - info;
return 0;
}
*Info = 0;
if (args.n == 0) return 0;
if (diag) {
if (AMIN_K(args.n, args.a, args.lda + 1) == ZERO) {
*Info = IAMIN_K(args.n, args.a, args.lda + 1);
return 0;
}
}
IDEBUG_START;
FUNCTION_PROFILE_START();
#ifndef PPC440
buffer = (FLOAT *)blas_memory_alloc(1);
sa = (FLOAT *)((BLASLONG)buffer + GEMM_OFFSET_A);
sb = (FLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
#endif
#ifdef SMP
args.nthreads = num_cpu_avail(4);
if (args.nthreads == 1) {
#endif
#if DOUBLE
// double trtri_U single thread error
// call dtrtri from lapack for a walk around.
if(uplo==0){
dtrtri_lapack_(UPLO, DIAG, N, a, ldA, Info);
return 0;
}
#endif
*Info = (trtri_single[(uplo << 1) | diag])(&args, NULL, NULL, sa, sb, 0);
#ifdef SMP
} else {
*Info = (trtri_parallel[(uplo << 1) | diag])(&args, NULL, NULL, sa, sb, 0);
}
#endif
#ifndef PPC440
blas_memory_free(buffer);
#endif
FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, .5 * args.n * args.n,
args.n * (1./3. + args.n * ( 1./2. + args.n * 1./6.))
+ args.n * (1./3. + args.n * (-1./2. + args.n * 1./6.)));
IDEBUG_END;
return 0;
}
|
