-
Notifications
You must be signed in to change notification settings - Fork 0
/
matrix.c
174 lines (134 loc) · 3.39 KB
/
matrix.c
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
167
168
169
170
171
172
173
/* matrix.c: Matrix operations
Copyright 2003, 2005 Bjoern Butscher, Hendrik Weimer
This file is part of libquantum
libquantum is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
libquantum is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with libquantum; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA
*/
#include <stdlib.h>
#include <stdio.h>
#include "matrix.h"
#include "config.h"
#include "complex.h"
#include "error.h"
/* Statistics of the memory consumption */
unsigned long quantum_memman(long change)
{
static long mem = 0, max = 0;
mem += change;
if(mem > max)
max = mem;
return mem;
}
/* Create a new COLS x ROWS matrix */
quantum_matrix
quantum_new_matrix(int cols, int rows)
{
quantum_matrix m;
m.rows = rows;
m.cols = cols;
m.t = calloc(cols * rows, sizeof(COMPLEX_FLOAT));
#if (DEBUG_MEM)
printf("allocating %i bytes of memory for %ix%i matrix at 0x%X\n",
sizeof(COMPLEX_FLOAT) * cols * rows, cols, rows, (int) m.t);
#endif
if(!m.t)
quantum_error(QUANTUM_ENOMEM);
quantum_memman(sizeof(COMPLEX_FLOAT) * cols * rows);
return m;
}
/* Delete a matrix */
void
quantum_delete_matrix(quantum_matrix *m)
{
#if (DEBUG_MEM)
printf("freeing %i bytes of memory for %ix%i matrix at 0x%X\n",
sizeof(COMPLEX_FLOAT) * m->cols * m->rows, m->cols, m->rows,
(int) m->t);
#endif
free(m->t);
quantum_memman(-sizeof(COMPLEX_FLOAT) * m->cols * m->rows);
m->t=0;
}
/* Print the contents of a matrix to stdout */
void
quantum_print_matrix(quantum_matrix m)
{
int i, j, z=0;
int print_imag = 0;
/* int l; */
for(i=0; i<m.rows; i++)
{
for(j=0; j<m.cols; j++)
{
if(quantum_imag(M(m, j, i))/quantum_real(M(m, j, i)) > 1e-3)
print_imag = 1;
}
}
while ((1 << z++) < m.rows);
z--;
for(i=0; i<m.rows; i++)
{
/* for (l=z-1; l>=0; l--)
{
if ((l % 4 == 3))
printf(" ");
printf("%i", (i >> l) & 1);
} */
for(j=0; j<m.cols; j++)
{
if(print_imag)
printf("%3.3f%+.3fi ", quantum_real(M(m, j, i)),
quantum_imag(M(m, j, i)));
else
// printf("%3.3f ", quantum_real(M(m, j, i)));
printf("%+.1f ", quantum_real(M(m, j, i)));
}
printf("\n");
}
printf("\n");
}
/* Matrix multiplication */
quantum_matrix quantum_mmult(quantum_matrix A, quantum_matrix B)
{
int i, j, k;
quantum_matrix C;
if(A.cols != B.rows)
quantum_error(QUANTUM_EMSIZE);
C = quantum_new_matrix(B.cols, A.rows);
for(i=0; i<B.cols; i++)
{
for(j=0; j<A.rows; j++)
{
for(k=0; k<B.rows; k++)
M(C, i, j) += M(A, k, j) * M(B, i, k);
}
}
return C;
}
/* Compute the adjoint of a matrix */
void
quantum_adjoint(quantum_matrix *m)
{
int i, j;
COMPLEX_FLOAT tmp;
quantum_matrix A = *m;
for(i=0; i<m->cols; i++)
{
for(j=0;j<i;j++)
{
tmp = M(A, i, j);
M(A, i, j) = quantum_conj(M(A, j, i));
M(A, j, i) = quantum_conj(tmp);
}
}
}