-
Notifications
You must be signed in to change notification settings - Fork 11
Expand file tree
/
Copy pathhelpers.cpp
More file actions
416 lines (389 loc) · 12 KB
/
helpers.cpp
File metadata and controls
416 lines (389 loc) · 12 KB
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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
/*
Copyright (c) 2014-2015, ArrayFire
Copyright (c) 2015 Gábor Mező aka unbornchikken (gabor.mezo@outlook.com)
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* 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.
* Neither the name of the ArrayFire nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER 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.
*/
#include "ext.h"
#include "helpers.h"
#include "errors.h"
#include "arraywrapper.h"
#include "symbols.h"
using namespace std;
using namespace v8;
using namespace node;
pair<af::dtype, unsigned> GetDTypeInfo(unsigned udtype)
{
unsigned sizeOf;
af::dtype dtype;
switch (udtype)
{
case 0:
dtype = f32;
sizeOf = 32 / 8;
break;
case 1:
dtype = c32;
sizeOf = 32 / 8;
break;
case 2:
dtype = f64;
sizeOf = 64 / 8;
break;
case 3:
dtype = c64;
sizeOf = 64 / 8;
break;
case 4:
dtype = b8;
sizeOf = 8 / 8;
break;
case 5:
dtype = s32;
sizeOf = 32 / 8;
break;
case 6:
dtype = u32;
sizeOf = 32 / 8;
break;
case 7:
dtype = u8;
sizeOf = 8 / 8;
break;
case 8:
dtype = s64;
sizeOf = 64 / 8;
break;
case 9:
dtype = u64;
sizeOf = 64 / 8;
break;
default:
ARRAYFIRE_THROW("DType is out of range.");
}
return move(make_pair(dtype, sizeOf));
}
std::pair<af::dtype, unsigned> GetDTypeInfo(v8::Local<v8::Value> value)
{
if (value->IsNumber())
{
return GetDTypeInfo(value->Uint32Value());
}
ARRAYFIRE_THROW("Value is not a number.");
}
string ErrToString(af_err err)
{
switch (err)
{
case AF_ERR_INTERNAL:
return "Internal error (AF_ERR_INTERNAL).";
break;
case AF_ERR_NO_MEM:
return "Not enough memory error (AF_ERR_NO_MEM).";
break;
case AF_ERR_DRIVER:
return "Driver error (AF_ERR_DRIVER).";
break;
case AF_ERR_RUNTIME:
return "Runtime error (AF_ERR_RUNTIME).";
break;
case AF_ERR_INVALID_ARRAY:
return "Invalid array error (AF_ERR_INVALID_ARRAY).";
break;
case AF_ERR_ARG:
return "Argument error (AF_ERR_ARG).";
break;
case AF_ERR_SIZE:
return "Size error (AF_ERR_SIZE).";
break;
case AF_ERR_DIFF_TYPE:
return "Diff type error (AF_ERR_DIFF_TYPE).";
break;
case AF_ERR_NOT_SUPPORTED:
return "Operation is not supported (AF_ERR_NOT_SUPPORTED).";
break;
case AF_ERR_NOT_CONFIGURED:
return "Not configured error (AF_ERR_NOT_CONFIGURED).";
break;
default:
return "Uknown ArrayFire error (AF_ERR_UNKNOWN).";
};
}
v8::Local<v8::Object> WrapPointer(void* ptr)
{
Nan::EscapableHandleScope scope;
return scope.Escape(Nan::NewBuffer((char*)ptr, 0, [](char*v1, void*v2) {}, nullptr).ToLocalChecked());
}
af::dim4 ToDim4(v8::Local<v8::Object> obj)
{
Local<Array> dims;
if (obj->IsArray())
{
dims = obj.As<Array>();
}
else
{
auto member = obj->Get(Nan::New(Symbols::Values));
if (member->IsArray())
{
dims = member.As<Array>();
}
else
{
ARRAYFIRE_THROW_ARG_IS_NOT_A_DIM4();
}
}
int dim0 = 1;
int dim1 = 1;
int dim2 = 1;
int dim3 = 1;
if (dims->Length() > 0)
{
dim0 = dims->Get(0)->Uint32Value();
}
if (dims->Length() > 1)
{
dim1 = dims->Get(1)->Uint32Value();
}
if (dims->Length() > 2)
{
dim2 = dims->Get(2)->Uint32Value();
}
if (dims->Length() > 3)
{
dim3 = dims->Get(3)->Uint32Value();
}
return move(af::dim4(dim0, dim1, dim2, dim3));
}
af::dim4 ToDim4(v8::Local<v8::Value> value)
{
if (value->IsObject())
{
return ToDim4(value.As<Object>());
}
ARRAYFIRE_THROW_ARG_IS_NOT_AN_OBJ();
}
af::seq ToSeq(v8::Local<v8::Object> obj)
{
auto begin = obj->Get(Nan::New(Symbols::Begin));
auto end = obj->Get(Nan::New(Symbols::End));
auto step = obj->Get(Nan::New(Symbols::Step));
auto isGFor = obj->Get(Nan::New(Symbols::IsGFor));
if (begin->IsNumber() && end->IsNumber())
{
double stepValue = 1;
if (step->IsNumber())
{
stepValue = step->NumberValue();
}
bool isGForValue = false;
if (isGFor->IsBoolean())
{
isGForValue = isGFor->BooleanValue();
}
if (isGForValue)
{
return move(af::seq(af::seq(begin->NumberValue(), end->NumberValue(), stepValue), isGForValue));
}
return move(af::seq(begin->NumberValue(), end->NumberValue(), stepValue));
}
ARRAYFIRE_THROW_ARG_IS_NOT_A_SEQ();
}
af::seq ToSeq(v8::Local<v8::Value> value)
{
if (value->IsObject())
{
return ToSeq(value.As<Object>());
}
ARRAYFIRE_THROW_ARG_IS_NOT_AN_OBJ();
}
af::index ToIndex(v8::Local<v8::Value> value)
{
if (value->IsNull())
{
return af::span;
}
if (value->IsNumber())
{
return af::index(value->Int32Value());
}
if (value->IsString())
{
String::Utf8Value str(value);
if (strcmp(*str, "span") == 0)
{
return af::span;
}
else if (strcmp(*str, "end") == 0)
{
return af::end;
}
}
if (value->IsObject())
{
auto pArray = ArrayWrapper::TryGetArray(value);
if (pArray)
{
return af::index(*pArray);
}
return ToSeq(value.As<Object>());
}
ARRAYFIRE_THROW_ARG_IS_NOT_AN_INDEX();
}
af::af_cdouble ToDComplex(v8::Local<v8::Object> obj)
{
auto imag = obj->Get(Nan::New(Symbols::Imag));
auto real = obj->Get(Nan::New(Symbols::Real));
if (imag->IsNumber() && real->IsNumber())
{
return { real->NumberValue(), imag->NumberValue() };
}
ARRAYFIRE_THROW_ARG_IS_NOT_A_CPLX();
}
af::af_cdouble ToDComplex(v8::Local<v8::Value> value)
{
if (value->IsObject())
{
return ToDComplex(value.As<Object>());
}
ARRAYFIRE_THROW_ARG_IS_NOT_AN_OBJ();
}
af::af_cfloat ToFComplex(v8::Local<v8::Object> obj)
{
auto imag = obj->Get(Nan::New(Symbols::Imag));
auto real = obj->Get(Nan::New(Symbols::Real));
if (imag->IsNumber() && real->IsNumber())
{
return { (float)real->NumberValue(), (float)imag->NumberValue() };
}
ARRAYFIRE_THROW_ARG_IS_NOT_A_CPLX();
}
af::af_cfloat ToFComplex(v8::Local<v8::Value> value)
{
if (value->IsObject())
{
return ToFComplex(value.As<Object>());
}
ARRAYFIRE_THROW_ARG_IS_NOT_AN_OBJ();
}
v8::Local<v8::Object> ToV8Complex(const af::af_cdouble& value)
{
auto obj = Nan::New<Object>();
obj->Set(Nan::New(Symbols::Imag), Nan::New(value.imag));
obj->Set(Nan::New(Symbols::Real), Nan::New(value.real));
return obj;
}
v8::Local<v8::Object> ToV8Complex(const af::af_cfloat& value)
{
auto obj = Nan::New<Object>();
obj->Set(Nan::New(Symbols::Imag), Nan::New(value.imag));
obj->Set(Nan::New(Symbols::Real), Nan::New(value.real));
return obj;
}
std::pair<af::dim4, af::dtype> ParseDimAndTypeArgs(const Nan::FunctionCallbackInfo<v8::Value>& info, int assumedArgsLength, int argsFollowingDims, int dimsStartAt)
{
if (assumedArgsLength == -1)
{
assumedArgsLength = info.Length();
if (info[assumedArgsLength - 1]->IsFunction())
{
// Async
assumedArgsLength--;
}
}
af::dim4 dims(1, 1, 1, 1);
bool any = false;
for (int idx = dimsStartAt; idx < ((assumedArgsLength - 1) - argsFollowingDims); idx++)
{
int dimIdx = idx - dimsStartAt;
assert(dimIdx < 4);
any = true;
if (dimIdx == 0 && info[idx]->IsObject())
{
dims = move(ToDim4(info[idx].As<Object>()));
break;
}
dims[dimIdx] = info[idx]->Int32Value();
}
if (any)
{
af::dtype type = GetDTypeInfo(info[assumedArgsLength - 1 + dimsStartAt]->Uint32Value()).first;
return move(make_pair(move(dims), type));
}
ARRAYFIRE_THROW("Cannot extract dimensions and dtype from argumens.");
}
Nan::Callback* GetCallback(const Nan::FunctionCallbackInfo<v8::Value>& info)
{
if (info.Length() && info[info.Length() - 1]->IsFunction())
{
return new Nan::Callback(info[info.Length() - 1].As<Function>());
}
ARRAYFIRE_THROW_CB_EXPECTED();
}
v8::Local<v8::Object> ToV8Features(const af::features& feat)
{
auto obj = Nan::New<Object>();
obj->Set(Nan::New(Symbols::NumFeatures), Nan::New((unsigned)feat.getNumFeatures()));
obj->Set(Nan::New(Symbols::X), ArrayWrapper::New(feat.getX()));
obj->Set(Nan::New(Symbols::Y), ArrayWrapper::New(feat.getY()));
obj->Set(Nan::New(Symbols::Score), ArrayWrapper::New(feat.getScore()));
obj->Set(Nan::New(Symbols::Orientation), ArrayWrapper::New(feat.getOrientation()));
obj->Set(Nan::New(Symbols::Size), ArrayWrapper::New(feat.getSize()));
return obj;
}
RegionIndex ToRegionIndex(v8::Local<v8::Object> obj)
{
auto cn = obj->GetConstructorName();
if (cn->Equals(Nan::New(Symbols::RowClass)))
{
return make_tuple(Region::Row, obj->Get(Nan::New(Symbols::Index))->Uint32Value(), (unsigned)0);
}
else if (cn->Equals(Nan::New(Symbols::RowsClass)))
{
return make_tuple(Region::Rows, obj->Get(Nan::New(Symbols::FirstIndex))->Uint32Value(), obj->Get(Nan::New(Symbols::LastIndex))->Uint32Value());
}
else if (cn->Equals(Nan::New(Symbols::ColClass)))
{
return make_tuple(Region::Col, obj->Get(Nan::New(Symbols::Index))->Uint32Value(), (unsigned)0);
}
else if (cn->Equals(Nan::New(Symbols::ColsClass)))
{
return make_tuple(Region::Cols, obj->Get(Nan::New(Symbols::FirstIndex))->Uint32Value(), obj->Get(Nan::New(Symbols::LastIndex))->Uint32Value());
}
else if (cn->Equals(Nan::New(Symbols::SliceClass)))
{
return make_tuple(Region::Slice, obj->Get(Nan::New(Symbols::Index))->Uint32Value(), (unsigned)0);
}
else if (cn->Equals(Nan::New(Symbols::SlicesClass)))
{
return make_tuple(Region::Slices, obj->Get(Nan::New(Symbols::FirstIndex))->Uint32Value(), obj->Get(Nan::New(Symbols::LastIndex))->Uint32Value());
}
return make_tuple(Region::None, (unsigned)0, (unsigned)0);
}
RegionIndex ToRegionIndex(v8::Local<v8::Value> value)
{
if (value->IsObject())
{
return ToRegionIndex(value.As<Object>());
}
return make_tuple(Region::None, (unsigned)0, (unsigned)0);
}