liba 0.1.15

An algorithm library based on C/C++
Documentation 
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

#include "a.h"
#include "a/trajpoly7.h"

static JSClassID liba_trajpoly7_class_id;

static void liba_trajpoly7_finalizer(JSRuntime *rt, JSValue val)
{
    js_free_rt(rt, JS_GetOpaque(val, liba_trajpoly7_class_id));
}

static JSClassDef liba_trajpoly7_class = {"trajpoly7", .finalizer = liba_trajpoly7_finalizer};

static JSValue liba_trajpoly7_ctor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv)
{
    JSValue proto, clazz = JS_UNDEFINED;
    a_trajpoly7 *const self = (a_trajpoly7 *)js_mallocz(ctx, sizeof(a_trajpoly7));
    if (!self) { return JS_EXCEPTION; }
    double args[] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
    if (argc > (int)A_LEN(args)) { argc = (int)A_LEN(args); }
    for (int i = 0; i < 3; ++i)
    {
        if (JS_ToFloat64(ctx, &args[i], argv[i])) { goto fail; }
    }
    for (int i = 3; i < argc; ++i)
    {
        if (JS_ToFloat64(ctx, &args[i], argv[i])) { goto fail; }
    }
    a_trajpoly7_gen(self, (a_float)args[0],
                    (a_float)args[1], (a_float)args[2],
                    (a_float)args[3], (a_float)args[4],
                    (a_float)args[5], (a_float)args[6],
                    (a_float)args[7], (a_float)args[8]);
    proto = JS_GetPropertyStr(ctx, new_target, "prototype");
    if (JS_IsException(proto)) { goto fail; }
    clazz = JS_NewObjectProtoClass(ctx, proto, liba_trajpoly7_class_id);
    JS_FreeValue(ctx, proto);
    if (JS_IsException(clazz)) { goto fail; }
    JS_SetOpaque(clazz, self);
    return clazz;
fail:
    js_free(ctx, self);
    JS_FreeValue(ctx, clazz);
    return JS_EXCEPTION;
}

static JSValue liba_trajpoly7_gen(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
    a_trajpoly7 *const self = (a_trajpoly7 *)JS_GetOpaque2(ctx, this_val, liba_trajpoly7_class_id);
    if (!self) { return JS_EXCEPTION; }
    double args[] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
    if (argc > (int)A_LEN(args)) { argc = (int)A_LEN(args); }
    for (int i = 0; i < 3; ++i)
    {
        if (JS_ToFloat64(ctx, &args[i], argv[i])) { return JS_EXCEPTION; }
    }
    for (int i = 3; i < argc; ++i)
    {
        if (JS_ToFloat64(ctx, &args[i], argv[i])) { return JS_EXCEPTION; }
    }
    a_trajpoly7_gen(self, (a_float)args[0],
                    (a_float)args[1], (a_float)args[2],
                    (a_float)args[3], (a_float)args[4],
                    (a_float)args[5], (a_float)args[6],
                    (a_float)args[7], (a_float)args[8]);
    return JS_UNDEFINED;
}

static JSValue liba_trajpoly7_pos(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
    (void)argc;
    a_trajpoly7 *const self = (a_trajpoly7 *)JS_GetOpaque2(ctx, this_val, liba_trajpoly7_class_id);
    if (!self) { return JS_EXCEPTION; }
    double x;
    if (JS_ToFloat64(ctx, &x, argv[0])) { return JS_EXCEPTION; }
    a_float pos = a_trajpoly7_pos(self, (a_float)x);
    return JS_NewFloat64(ctx, (double)pos);
}

static JSValue liba_trajpoly7_vel(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
    (void)argc;
    a_trajpoly7 *const self = (a_trajpoly7 *)JS_GetOpaque2(ctx, this_val, liba_trajpoly7_class_id);
    if (!self) { return JS_EXCEPTION; }
    double x;
    if (JS_ToFloat64(ctx, &x, argv[0])) { return JS_EXCEPTION; }
    a_float vel = a_trajpoly7_vel(self, (a_float)x);
    return JS_NewFloat64(ctx, (double)vel);
}

static JSValue liba_trajpoly7_acc(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
    (void)argc;
    a_trajpoly7 *const self = (a_trajpoly7 *)JS_GetOpaque2(ctx, this_val, liba_trajpoly7_class_id);
    if (!self) { return JS_EXCEPTION; }
    double x;
    if (JS_ToFloat64(ctx, &x, argv[0])) { return JS_EXCEPTION; }
    a_float acc = a_trajpoly7_acc(self, (a_float)x);
    return JS_NewFloat64(ctx, (double)acc);
}

static JSValue liba_trajpoly7_jer(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
    (void)argc;
    a_trajpoly7 *const self = (a_trajpoly7 *)JS_GetOpaque2(ctx, this_val, liba_trajpoly7_class_id);
    if (!self) { return JS_EXCEPTION; }
    double x;
    if (JS_ToFloat64(ctx, &x, argv[0])) { return JS_EXCEPTION; }
    a_float jer = a_trajpoly7_jer(self, (a_float)x);
    return JS_NewFloat64(ctx, (double)jer);
}

enum
{
    self_p,
    self_v,
    self_a,
    self_j,
};

static JSValue liba_trajpoly7_get(JSContext *ctx, JSValueConst this_val, int magic)
{
    a_trajpoly7 *const self = (a_trajpoly7 *)JS_GetOpaque2(ctx, this_val, liba_trajpoly7_class_id);
    if (!self) { return JS_EXCEPTION; }
    switch (magic)
    {
    case self_p: return js_array_num_new(ctx, self->p, A_LEN(self->p));
    case self_v: return js_array_num_new(ctx, self->v, A_LEN(self->v));
    case self_a: return js_array_num_new(ctx, self->a, A_LEN(self->a));
    case self_j: return js_array_num_new(ctx, self->j, A_LEN(self->j));
    default: return JS_UNDEFINED;
    }
}

static JSCFunctionListEntry const liba_trajpoly7_proto[] = {
    JS_PROP_STRING_DEF("[Symbol.toStringTag]", "a.trajpoly7", 0),
    JS_CGETSET_MAGIC_DEF("p", liba_trajpoly7_get, NULL, self_p),
    JS_CGETSET_MAGIC_DEF("v", liba_trajpoly7_get, NULL, self_v),
    JS_CGETSET_MAGIC_DEF("a", liba_trajpoly7_get, NULL, self_a),
    JS_CGETSET_MAGIC_DEF("j", liba_trajpoly7_get, NULL, self_j),
    JS_CFUNC_DEF("gen", 9, liba_trajpoly7_gen),
    JS_CFUNC_DEF("pos", 1, liba_trajpoly7_pos),
    JS_CFUNC_DEF("vel", 1, liba_trajpoly7_vel),
    JS_CFUNC_DEF("acc", 1, liba_trajpoly7_acc),
    JS_CFUNC_DEF("jer", 1, liba_trajpoly7_jer),
};

int js_liba_trajpoly7_init(JSContext *ctx, JSModuleDef *m)
{
    JS_NewClassID(&liba_trajpoly7_class_id);
    JS_NewClass(JS_GetRuntime(ctx), liba_trajpoly7_class_id, &liba_trajpoly7_class);

    JSValue const proto = JS_NewObject(ctx);
    JS_SetPropertyFunctionList(ctx, proto, liba_trajpoly7_proto, A_LEN(liba_trajpoly7_proto));

    JSValue const clazz = JS_NewCFunction2(ctx, liba_trajpoly7_ctor, "trajpoly7", 9, JS_CFUNC_constructor, 0);
    JS_SetConstructor(ctx, clazz, proto);
    JS_SetClassProto(ctx, liba_trajpoly7_class_id, proto);

    return JS_SetModuleExport(ctx, m, "trajpoly7", clazz);
}