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
|
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "mpqstr.h"
#include "obj.h"
#include "runtime0.h"
#include "map.h"
#if MICROPY_ENABLE_FLOAT
typedef struct _mp_obj_complex_t {
mp_obj_base_t base;
mp_float_t real;
mp_float_t imag;
} mp_obj_complex_t;
mp_obj_t mp_obj_new_complex(mp_float_t real, mp_float_t imag);
void complex_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in) {
mp_obj_complex_t *o = o_in;
if (o->real == 0) {
print(env, "%.8gj", o->imag);
} else {
print(env, "(%.8g+%.8gj)", o->real, o->imag);
}
}
// args are reverse in the array
static mp_obj_t complex_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args) {
switch (n_args) {
case 0:
return mp_obj_new_complex(0, 0);
case 1:
// TODO allow string as first arg and parse it
if (MP_OBJ_IS_TYPE(args[0], &complex_type)) {
return args[0];
} else {
return mp_obj_new_complex(mp_obj_get_float(args[0]), 0);
}
case 2:
{
mp_float_t real, imag;
if (MP_OBJ_IS_TYPE(args[1], &complex_type)) {
mp_obj_get_complex(args[1], &real, &imag);
} else {
real = mp_obj_get_float(args[1]);
imag = 0;
}
if (MP_OBJ_IS_TYPE(args[0], &complex_type)) {
mp_float_t real2, imag2;
mp_obj_get_complex(args[0], &real2, &imag2);
real -= imag2;
imag += real2;
} else {
imag += mp_obj_get_float(args[0]);
}
return mp_obj_new_complex(real, imag);
}
default:
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "complex takes at most 2 arguments, %d given", (void*)(machine_int_t)n_args));
}
}
static mp_obj_t complex_unary_op(int op, mp_obj_t o_in) {
mp_obj_complex_t *o = o_in;
switch (op) {
case RT_UNARY_OP_NOT: if (o->real != 0 || o->imag != 0) { return mp_const_true;} else { return mp_const_false; }
case RT_UNARY_OP_POSITIVE: return o_in;
case RT_UNARY_OP_NEGATIVE: return mp_obj_new_complex(-o->real, -o->imag);
default: return MP_OBJ_NULL; // op not supported
}
}
static mp_obj_t complex_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
mp_float_t lhs_real, lhs_imag, rhs_real, rhs_imag;
mp_obj_complex_get(lhs_in, &lhs_real, &lhs_imag);
mp_obj_complex_get(rhs_in, &rhs_real, &rhs_imag);
switch (op) {
case RT_BINARY_OP_ADD:
case RT_BINARY_OP_INPLACE_ADD:
lhs_real += rhs_real;
lhs_imag += rhs_imag;
break;
case RT_BINARY_OP_SUBTRACT:
case RT_BINARY_OP_INPLACE_SUBTRACT:
lhs_real -= rhs_real;
lhs_imag -= rhs_imag;
break;
case RT_BINARY_OP_MULTIPLY:
case RT_BINARY_OP_INPLACE_MULTIPLY:
{
mp_float_t real = lhs_real * rhs_real - lhs_imag * rhs_imag;
lhs_imag = lhs_real * rhs_imag + lhs_imag * rhs_real;
lhs_real = real;
break;
}
/* TODO floor(?) the value
case RT_BINARY_OP_FLOOR_DIVIDE:
case RT_BINARY_OP_INPLACE_FLOOR_DIVIDE: val = lhs_val / rhs_val; break;
*/
/* TODO
case RT_BINARY_OP_TRUE_DIVIDE:
case RT_BINARY_OP_INPLACE_TRUE_DIVIDE: val = lhs_val / rhs_val; break;
*/
return NULL; // op not supported
}
return mp_obj_new_complex(lhs_real, lhs_imag);
}
const mp_obj_type_t complex_type = {
{ &mp_const_type },
"complex",
complex_print, // print
complex_make_new, // make_new
NULL, // call_n
complex_unary_op, // unary_op
complex_binary_op, // binary_op
NULL, // getiter
NULL, // iternext
{ { NULL, NULL }, }, // method list
};
mp_obj_t mp_obj_new_complex(mp_float_t real, mp_float_t imag) {
mp_obj_complex_t *o = m_new_obj(mp_obj_complex_t);
o->base.type = &complex_type;
o->real = real;
o->imag = imag;
return o;
}
void mp_obj_complex_get(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag) {
assert(MP_OBJ_IS_TYPE(self_in, &complex_type));
mp_obj_complex_t *self = self_in;
*real = self->real;
*imag = self->imag;
}
#endif
|
