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functional.hpp
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42
43#ifndef OPENCV_CUDA_FUNCTIONAL_HPP
44#define OPENCV_CUDA_FUNCTIONAL_HPP
45
46#include <functional>
47#include "saturate_cast.hpp"
48#include "vec_traits.hpp"
49#include "type_traits.hpp"
50
56
57namespace cv { namespace cuda { namespace device
58{
59 // Function Objects
60 template<typename Argument, typename Result> struct unary_function
61 {
62 typedef Argument argument_type;
63 typedef Result result_type;
64 };
65 template<typename Argument1, typename Argument2, typename Result> struct binary_function
66 {
67 typedef Argument1 first_argument_type;
68 typedef Argument2 second_argument_type;
69 typedef Result result_type;
70 };
71
72 // Arithmetic Operations
73 template <typename T> struct plus : binary_function<T, T, T>
74 {
75 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
76 typename TypeTraits<T>::ParameterType b) const
77 {
78 return a + b;
79 }
80 __host__ __device__ __forceinline__ plus() {}
81 __host__ __device__ __forceinline__ plus(const plus&) {}
82 };
83
84 template <typename T> struct minus : binary_function<T, T, T>
85 {
86 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
87 typename TypeTraits<T>::ParameterType b) const
88 {
89 return a - b;
90 }
91 __host__ __device__ __forceinline__ minus() {}
92 __host__ __device__ __forceinline__ minus(const minus&) {}
93 };
94
95 template <typename T> struct multiplies : binary_function<T, T, T>
96 {
97 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
98 typename TypeTraits<T>::ParameterType b) const
99 {
100 return a * b;
101 }
102 __host__ __device__ __forceinline__ multiplies() {}
103 __host__ __device__ __forceinline__ multiplies(const multiplies&) {}
104 };
105
106 template <typename T> struct divides : binary_function<T, T, T>
107 {
108 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
109 typename TypeTraits<T>::ParameterType b) const
110 {
111 return a / b;
112 }
113 __host__ __device__ __forceinline__ divides() {}
114 __host__ __device__ __forceinline__ divides(const divides&) {}
115 };
116
117 template <typename T> struct modulus : binary_function<T, T, T>
118 {
119 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
120 typename TypeTraits<T>::ParameterType b) const
121 {
122 return a % b;
123 }
124 __host__ __device__ __forceinline__ modulus() {}
125 __host__ __device__ __forceinline__ modulus(const modulus&) {}
126 };
127
128 template <typename T> struct negate : unary_function<T, T>
129 {
130 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a) const
131 {
132 return -a;
133 }
134 __host__ __device__ __forceinline__ negate() {}
135 __host__ __device__ __forceinline__ negate(const negate&) {}
136 };
137
138 // Comparison Operations
139 template <typename T> struct equal_to : binary_function<T, T, bool>
140 {
141 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
142 typename TypeTraits<T>::ParameterType b) const
143 {
144 return a == b;
145 }
146 __host__ __device__ __forceinline__ equal_to() {}
147 __host__ __device__ __forceinline__ equal_to(const equal_to&) {}
148 };
149
150 template <typename T> struct not_equal_to : binary_function<T, T, bool>
151 {
152 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
153 typename TypeTraits<T>::ParameterType b) const
154 {
155 return a != b;
156 }
157 __host__ __device__ __forceinline__ not_equal_to() {}
158 __host__ __device__ __forceinline__ not_equal_to(const not_equal_to&) {}
159 };
160
161 template <typename T> struct greater : binary_function<T, T, bool>
162 {
163 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
164 typename TypeTraits<T>::ParameterType b) const
165 {
166 return a > b;
167 }
168 __host__ __device__ __forceinline__ greater() {}
169 __host__ __device__ __forceinline__ greater(const greater&) {}
170 };
171
172 template <typename T> struct less : binary_function<T, T, bool>
173 {
174 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
175 typename TypeTraits<T>::ParameterType b) const
176 {
177 return a < b;
178 }
179 __host__ __device__ __forceinline__ less() {}
180 __host__ __device__ __forceinline__ less(const less&) {}
181 };
182
183 template <typename T> struct greater_equal : binary_function<T, T, bool>
184 {
185 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
186 typename TypeTraits<T>::ParameterType b) const
187 {
188 return a >= b;
189 }
190 __host__ __device__ __forceinline__ greater_equal() {}
191 __host__ __device__ __forceinline__ greater_equal(const greater_equal&) {}
192 };
193
194 template <typename T> struct less_equal : binary_function<T, T, bool>
195 {
196 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
197 typename TypeTraits<T>::ParameterType b) const
198 {
199 return a <= b;
200 }
201 __host__ __device__ __forceinline__ less_equal() {}
202 __host__ __device__ __forceinline__ less_equal(const less_equal&) {}
203 };
204
205 // Logical Operations
206 template <typename T> struct logical_and : binary_function<T, T, bool>
207 {
208 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
209 typename TypeTraits<T>::ParameterType b) const
210 {
211 return a && b;
212 }
213 __host__ __device__ __forceinline__ logical_and() {}
214 __host__ __device__ __forceinline__ logical_and(const logical_and&) {}
215 };
216
217 template <typename T> struct logical_or : binary_function<T, T, bool>
218 {
219 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a,
220 typename TypeTraits<T>::ParameterType b) const
221 {
222 return a || b;
223 }
224 __host__ __device__ __forceinline__ logical_or() {}
225 __host__ __device__ __forceinline__ logical_or(const logical_or&) {}
226 };
227
228 template <typename T> struct logical_not : unary_function<T, bool>
229 {
230 __device__ __forceinline__ bool operator ()(typename TypeTraits<T>::ParameterType a) const
231 {
232 return !a;
233 }
234 __host__ __device__ __forceinline__ logical_not() {}
235 __host__ __device__ __forceinline__ logical_not(const logical_not&) {}
236 };
237
238 // Bitwise Operations
239 template <typename T> struct bit_and : binary_function<T, T, T>
240 {
241 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
242 typename TypeTraits<T>::ParameterType b) const
243 {
244 return a & b;
245 }
246 __host__ __device__ __forceinline__ bit_and() {}
247 __host__ __device__ __forceinline__ bit_and(const bit_and&) {}
248 };
249
250 template <typename T> struct bit_or : binary_function<T, T, T>
251 {
252 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
253 typename TypeTraits<T>::ParameterType b) const
254 {
255 return a | b;
256 }
257 __host__ __device__ __forceinline__ bit_or() {}
258 __host__ __device__ __forceinline__ bit_or(const bit_or&) {}
259 };
260
261 template <typename T> struct bit_xor : binary_function<T, T, T>
262 {
263 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType a,
264 typename TypeTraits<T>::ParameterType b) const
265 {
266 return a ^ b;
267 }
268 __host__ __device__ __forceinline__ bit_xor() {}
269 __host__ __device__ __forceinline__ bit_xor(const bit_xor&) {}
270 };
271
272 template <typename T> struct bit_not : unary_function<T, T>
273 {
274 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType v) const
275 {
276 return ~v;
277 }
278 __host__ __device__ __forceinline__ bit_not() {}
279 __host__ __device__ __forceinline__ bit_not(const bit_not&) {}
280 };
281
282 // Generalized Identity Operations
283 template <typename T> struct identity : unary_function<T, T>
284 {
285 __device__ __forceinline__ typename TypeTraits<T>::ParameterType operator()(typename TypeTraits<T>::ParameterType x) const
286 {
287 return x;
288 }
289 __host__ __device__ __forceinline__ identity() {}
290 __host__ __device__ __forceinline__ identity(const identity&) {}
291 };
292
293 template <typename T1, typename T2> struct project1st : binary_function<T1, T2, T1>
294 {
295 __device__ __forceinline__ typename TypeTraits<T1>::ParameterType operator()(typename TypeTraits<T1>::ParameterType lhs, typename TypeTraits<T2>::ParameterType rhs) const
296 {
297 return lhs;
298 }
299 __host__ __device__ __forceinline__ project1st() {}
300 __host__ __device__ __forceinline__ project1st(const project1st&) {}
301 };
302
303 template <typename T1, typename T2> struct project2nd : binary_function<T1, T2, T2>
304 {
305 __device__ __forceinline__ typename TypeTraits<T2>::ParameterType operator()(typename TypeTraits<T1>::ParameterType lhs, typename TypeTraits<T2>::ParameterType rhs) const
306 {
307 return rhs;
308 }
309 __host__ __device__ __forceinline__ project2nd() {}
310 __host__ __device__ __forceinline__ project2nd(const project2nd&) {}
311 };
312
313 // Min/Max Operations
314
315#define OPENCV_CUDA_IMPLEMENT_MINMAX(name, type, op) \
316 template <> struct name<type> : binary_function<type, type, type> \
317 { \
318 __device__ __forceinline__ type operator()(type lhs, type rhs) const {return op(lhs, rhs);} \
319 __host__ __device__ __forceinline__ name() {}\
320 __host__ __device__ __forceinline__ name(const name&) {}\
321 };
322
323 template <typename T> struct maximum : binary_function<T, T, T>
324 {
325 __device__ __forceinline__ T operator()(typename TypeTraits<T>::ParameterType lhs, typename TypeTraits<T>::ParameterType rhs) const
326 {
327 return max(lhs, rhs);
328 }
329 __host__ __device__ __forceinline__ maximum() {}
330 __host__ __device__ __forceinline__ maximum(const maximum&) {}
331 };
332
333 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, uchar, ::max)
334 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, schar, ::max)
335 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, char, ::max)
336 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, ushort, ::max)
337 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, short, ::max)
338 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, int, ::max)
339 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, uint, ::max)
340 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, float, ::fmax)
341 OPENCV_CUDA_IMPLEMENT_MINMAX(maximum, double, ::fmax)
342
343 template <typename T> struct minimum : binary_function<T, T, T>
344 {
345 __device__ __forceinline__ T operator()(typename TypeTraits<T>::ParameterType lhs, typename TypeTraits<T>::ParameterType rhs) const
346 {
347 return min(lhs, rhs);
348 }
349 __host__ __device__ __forceinline__ minimum() {}
350 __host__ __device__ __forceinline__ minimum(const minimum&) {}
351 };
352
353 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, uchar, ::min)
354 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, schar, ::min)
355 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, char, ::min)
356 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, ushort, ::min)
357 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, short, ::min)
358 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, int, ::min)
359 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, uint, ::min)
360 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, float, ::fmin)
361 OPENCV_CUDA_IMPLEMENT_MINMAX(minimum, double, ::fmin)
362
363#undef OPENCV_CUDA_IMPLEMENT_MINMAX
364
365 // Math functions
366
367 template <typename T> struct abs_func : unary_function<T, T>
368 {
369 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType x) const
370 {
371 return abs(x);
372 }
373
374 __host__ __device__ __forceinline__ abs_func() {}
375 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
376 };
377 template <> struct abs_func<unsigned char> : unary_function<unsigned char, unsigned char>
378 {
379 __device__ __forceinline__ unsigned char operator ()(unsigned char x) const
380 {
381 return x;
382 }
383
384 __host__ __device__ __forceinline__ abs_func() {}
385 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
386 };
387 template <> struct abs_func<signed char> : unary_function<signed char, signed char>
388 {
389 __device__ __forceinline__ signed char operator ()(signed char x) const
390 {
391 return ::abs((int)x);
392 }
393
394 __host__ __device__ __forceinline__ abs_func() {}
395 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
396 };
397 template <> struct abs_func<char> : unary_function<char, char>
398 {
399 __device__ __forceinline__ char operator ()(char x) const
400 {
401 return ::abs((int)x);
402 }
403
404 __host__ __device__ __forceinline__ abs_func() {}
405 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
406 };
407 template <> struct abs_func<unsigned short> : unary_function<unsigned short, unsigned short>
408 {
409 __device__ __forceinline__ unsigned short operator ()(unsigned short x) const
410 {
411 return x;
412 }
413
414 __host__ __device__ __forceinline__ abs_func() {}
415 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
416 };
417 template <> struct abs_func<short> : unary_function<short, short>
418 {
419 __device__ __forceinline__ short operator ()(short x) const
420 {
421 return ::abs((int)x);
422 }
423
424 __host__ __device__ __forceinline__ abs_func() {}
425 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
426 };
427 template <> struct abs_func<unsigned int> : unary_function<unsigned int, unsigned int>
428 {
429 __device__ __forceinline__ unsigned int operator ()(unsigned int x) const
430 {
431 return x;
432 }
433
434 __host__ __device__ __forceinline__ abs_func() {}
435 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
436 };
437 template <> struct abs_func<int> : unary_function<int, int>
438 {
439 __device__ __forceinline__ int operator ()(int x) const
440 {
441 return ::abs(x);
442 }
443
444 __host__ __device__ __forceinline__ abs_func() {}
445 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
446 };
447 template <> struct abs_func<float> : unary_function<float, float>
448 {
449 __device__ __forceinline__ float operator ()(float x) const
450 {
451 return ::fabsf(x);
452 }
453
454 __host__ __device__ __forceinline__ abs_func() {}
455 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
456 };
457 template <> struct abs_func<double> : unary_function<double, double>
458 {
459 __device__ __forceinline__ double operator ()(double x) const
460 {
461 return ::fabs(x);
462 }
463
464 __host__ __device__ __forceinline__ abs_func() {}
465 __host__ __device__ __forceinline__ abs_func(const abs_func&) {}
466 };
467
468#define OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(name, func) \
469 template <typename T> struct name ## _func : unary_function<T, float> \
470 { \
471 __device__ __forceinline__ float operator ()(typename TypeTraits<T>::ParameterType v) const \
472 { \
473 return func ## f(v); \
474 } \
475 __host__ __device__ __forceinline__ name ## _func() {} \
476 __host__ __device__ __forceinline__ name ## _func(const name ## _func&) {} \
477 }; \
478 template <> struct name ## _func<double> : unary_function<double, double> \
479 { \
480 __device__ __forceinline__ double operator ()(double v) const \
481 { \
482 return func(v); \
483 } \
484 __host__ __device__ __forceinline__ name ## _func() {} \
485 __host__ __device__ __forceinline__ name ## _func(const name ## _func&) {} \
486 };
487
488#define OPENCV_CUDA_IMPLEMENT_BIN_FUNCTOR(name, func) \
489 template <typename T> struct name ## _func : binary_function<T, T, float> \
490 { \
491 __device__ __forceinline__ float operator ()(typename TypeTraits<T>::ParameterType v1, typename TypeTraits<T>::ParameterType v2) const \
492 { \
493 return func ## f(v1, v2); \
494 } \
495 __host__ __device__ __forceinline__ name ## _func() {} \
496 __host__ __device__ __forceinline__ name ## _func(const name ## _func&) {} \
497 }; \
498 template <> struct name ## _func<double> : binary_function<double, double, double> \
499 { \
500 __device__ __forceinline__ double operator ()(double v1, double v2) const \
501 { \
502 return func(v1, v2); \
503 } \
504 __host__ __device__ __forceinline__ name ## _func() {} \
505 __host__ __device__ __forceinline__ name ## _func(const name ## _func&) {} \
506 };
507
508 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(sqrt, ::sqrt)
509 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(exp, ::exp)
510 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(exp2, ::exp2)
511 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(exp10, ::exp10)
512 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(log, ::log)
513 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(log2, ::log2)
514 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(log10, ::log10)
515 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(sin, ::sin)
516 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(cos, ::cos)
517 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(tan, ::tan)
518 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(asin, ::asin)
519 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(acos, ::acos)
520 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(atan, ::atan)
521 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(sinh, ::sinh)
522 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(cosh, ::cosh)
523 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(tanh, ::tanh)
524 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(asinh, ::asinh)
525 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(acosh, ::acosh)
526 OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR(atanh, ::atanh)
527
528 OPENCV_CUDA_IMPLEMENT_BIN_FUNCTOR(hypot, ::hypot)
529 OPENCV_CUDA_IMPLEMENT_BIN_FUNCTOR(atan2, ::atan2)
530 OPENCV_CUDA_IMPLEMENT_BIN_FUNCTOR(pow, ::pow)
531
532 #undef OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR
533 #undef OPENCV_CUDA_IMPLEMENT_UN_FUNCTOR_NO_DOUBLE
534 #undef OPENCV_CUDA_IMPLEMENT_BIN_FUNCTOR
535
536 template<typename T> struct hypot_sqr_func : binary_function<T, T, float>
537 {
538 __device__ __forceinline__ T operator ()(typename TypeTraits<T>::ParameterType src1, typename TypeTraits<T>::ParameterType src2) const
539 {
540 return src1 * src1 + src2 * src2;
541 }
542 __host__ __device__ __forceinline__ hypot_sqr_func() {}
543 __host__ __device__ __forceinline__ hypot_sqr_func(const hypot_sqr_func&) {}
544 };
545
546 // Saturate Cast Functor
547 template <typename T, typename D> struct saturate_cast_func : unary_function<T, D>
548 {
549 __device__ __forceinline__ D operator ()(typename TypeTraits<T>::ParameterType v) const
550 {
551 return saturate_cast<D>(v);
552 }
553 __host__ __device__ __forceinline__ saturate_cast_func() {}
554 __host__ __device__ __forceinline__ saturate_cast_func(const saturate_cast_func&) {}
555 };
556
557 // Threshold Functors
558 template <typename T> struct thresh_binary_func : unary_function<T, T>
559 {
560 __host__ __device__ __forceinline__ thresh_binary_func(T thresh_, T maxVal_) : thresh(thresh_), maxVal(maxVal_) {}
561
562 __device__ __forceinline__ T operator()(typename TypeTraits<T>::ParameterType src) const
563 {
564 return (src > thresh) * maxVal;
565 }
566
567 __host__ __device__ __forceinline__ thresh_binary_func() {}
568 __host__ __device__ __forceinline__ thresh_binary_func(const thresh_binary_func& other)
569 : thresh(other.thresh), maxVal(other.maxVal) {}
570
571 T thresh;
572 T maxVal;
573 };
574
575 template <typename T> struct thresh_binary_inv_func : unary_function<T, T>
576 {
577 __host__ __device__ __forceinline__ thresh_binary_inv_func(T thresh_, T maxVal_) : thresh(thresh_), maxVal(maxVal_) {}
578
579 __device__ __forceinline__ T operator()(typename TypeTraits<T>::ParameterType src) const
580 {
581 return (src <= thresh) * maxVal;
582 }
583
584 __host__ __device__ __forceinline__ thresh_binary_inv_func() {}
585 __host__ __device__ __forceinline__ thresh_binary_inv_func(const thresh_binary_inv_func& other)
586 : thresh(other.thresh), maxVal(other.maxVal) {}
587
588 T thresh;
589 T maxVal;
590 };
591
592 template <typename T> struct thresh_trunc_func : unary_function<T, T>
593 {
594 explicit __host__ __device__ __forceinline__ thresh_trunc_func(T thresh_, T maxVal_ = 0) : thresh(thresh_) {CV_UNUSED(maxVal_);}
595
596 __device__ __forceinline__ T operator()(typename TypeTraits<T>::ParameterType src) const
597 {
598 return minimum<T>()(src, thresh);
599 }
600
601 __host__ __device__ __forceinline__ thresh_trunc_func() {}
602 __host__ __device__ __forceinline__ thresh_trunc_func(const thresh_trunc_func& other)
603 : thresh(other.thresh) {}
604
605 T thresh;
606 };
607
608 template <typename T> struct thresh_to_zero_func : unary_function<T, T>
609 {
610 explicit __host__ __device__ __forceinline__ thresh_to_zero_func(T thresh_, T maxVal_ = 0) : thresh(thresh_) {CV_UNUSED(maxVal_);}
611
612 __device__ __forceinline__ T operator()(typename TypeTraits<T>::ParameterType src) const
613 {
614 return (src > thresh) * src;
615 }
616
617 __host__ __device__ __forceinline__ thresh_to_zero_func() {}
618 __host__ __device__ __forceinline__ thresh_to_zero_func(const thresh_to_zero_func& other)
619 : thresh(other.thresh) {}
620
621 T thresh;
622 };
623
624 template <typename T> struct thresh_to_zero_inv_func : unary_function<T, T>
625 {
626 explicit __host__ __device__ __forceinline__ thresh_to_zero_inv_func(T thresh_, T maxVal_ = 0) : thresh(thresh_) {CV_UNUSED(maxVal_);}
627
628 __device__ __forceinline__ T operator()(typename TypeTraits<T>::ParameterType src) const
629 {
630 return (src <= thresh) * src;
631 }
632
633 __host__ __device__ __forceinline__ thresh_to_zero_inv_func() {}
634 __host__ __device__ __forceinline__ thresh_to_zero_inv_func(const thresh_to_zero_inv_func& other)
635 : thresh(other.thresh) {}
636
637 T thresh;
638 };
639
640 // Function Object Adaptors
641 template <typename Predicate> struct unary_negate : unary_function<typename Predicate::argument_type, bool>
642 {
643 explicit __host__ __device__ __forceinline__ unary_negate(const Predicate& p) : pred(p) {}
644
645 __device__ __forceinline__ bool operator()(typename TypeTraits<typename Predicate::argument_type>::ParameterType x) const
646 {
647 return !pred(x);
648 }
649
650 __host__ __device__ __forceinline__ unary_negate() {}
651 __host__ __device__ __forceinline__ unary_negate(const unary_negate& other) : pred(other.pred) {}
652
653 Predicate pred;
654 };
655
656 template <typename Predicate> __host__ __device__ __forceinline__ unary_negate<Predicate> not1(const Predicate& pred)
657 {
658 return unary_negate<Predicate>(pred);
659 }
660
661 template <typename Predicate> struct binary_negate : binary_function<typename Predicate::first_argument_type, typename Predicate::second_argument_type, bool>
662 {
663 explicit __host__ __device__ __forceinline__ binary_negate(const Predicate& p) : pred(p) {}
664
665 __device__ __forceinline__ bool operator()(typename TypeTraits<typename Predicate::first_argument_type>::ParameterType x,
666 typename TypeTraits<typename Predicate::second_argument_type>::ParameterType y) const
667 {
668 return !pred(x,y);
669 }
670
671 __host__ __device__ __forceinline__ binary_negate() {}
672 __host__ __device__ __forceinline__ binary_negate(const binary_negate& other) : pred(other.pred) {}
673
674 Predicate pred;
675 };
676
677 template <typename BinaryPredicate> __host__ __device__ __forceinline__ binary_negate<BinaryPredicate> not2(const BinaryPredicate& pred)
678 {
679 return binary_negate<BinaryPredicate>(pred);
680 }
681
682 template <typename Op> struct binder1st : unary_function<typename Op::second_argument_type, typename Op::result_type>
683 {
684 __host__ __device__ __forceinline__ binder1st(const Op& op_, const typename Op::first_argument_type& arg1_) : op(op_), arg1(arg1_) {}
685
686 __device__ __forceinline__ typename Op::result_type operator ()(typename TypeTraits<typename Op::second_argument_type>::ParameterType a) const
687 {
688 return op(arg1, a);
689 }
690
691 __host__ __device__ __forceinline__ binder1st() {}
692 __host__ __device__ __forceinline__ binder1st(const binder1st& other) : op(other.op), arg1(other.arg1) {}
693
694 Op op;
695 typename Op::first_argument_type arg1;
696 };
697
698 template <typename Op, typename T> __host__ __device__ __forceinline__ binder1st<Op> bind1st(const Op& op, const T& x)
699 {
700 return binder1st<Op>(op, typename Op::first_argument_type(x));
701 }
702
703 template <typename Op> struct binder2nd : unary_function<typename Op::first_argument_type, typename Op::result_type>
704 {
705 __host__ __device__ __forceinline__ binder2nd(const Op& op_, const typename Op::second_argument_type& arg2_) : op(op_), arg2(arg2_) {}
706
707 __forceinline__ __device__ typename Op::result_type operator ()(typename TypeTraits<typename Op::first_argument_type>::ParameterType a) const
708 {
709 return op(a, arg2);
710 }
711
712 __host__ __device__ __forceinline__ binder2nd() {}
713 __host__ __device__ __forceinline__ binder2nd(const binder2nd& other) : op(other.op), arg2(other.arg2) {}
714
715 Op op;
716 typename Op::second_argument_type arg2;
717 };
718
719 template <typename Op, typename T> __host__ __device__ __forceinline__ binder2nd<Op> bind2nd(const Op& op, const T& x)
720 {
721 return binder2nd<Op>(op, typename Op::second_argument_type(x));
722 }
723
724 // Functor Traits
725 template <typename F> struct IsUnaryFunction
726 {
727 typedef char Yes;
728 struct No {Yes a[2];};
729
730 template <typename T, typename D> static Yes check(unary_function<T, D>);
731 static No check(...);
732
733 static F makeF();
734
735 enum { value = (sizeof(check(makeF())) == sizeof(Yes)) };
736 };
737
738 template <typename F> struct IsBinaryFunction
739 {
740 typedef char Yes;
741 struct No {Yes a[2];};
742
743 template <typename T1, typename T2, typename D> static Yes check(binary_function<T1, T2, D>);
744 static No check(...);
745
746 static F makeF();
747
748 enum { value = (sizeof(check(makeF())) == sizeof(Yes)) };
749 };
750
751 namespace functional_detail
752 {
753 template <size_t src_elem_size, size_t dst_elem_size> struct UnOpShift { enum { shift = 1 }; };
754 template <size_t src_elem_size> struct UnOpShift<src_elem_size, 1> { enum { shift = 4 }; };
755 template <size_t src_elem_size> struct UnOpShift<src_elem_size, 2> { enum { shift = 2 }; };
756
757 template <typename T, typename D> struct DefaultUnaryShift
758 {
759 enum { shift = UnOpShift<sizeof(T), sizeof(D)>::shift };
760 };
761
762 template <size_t src_elem_size1, size_t src_elem_size2, size_t dst_elem_size> struct BinOpShift { enum { shift = 1 }; };
763 template <size_t src_elem_size1, size_t src_elem_size2> struct BinOpShift<src_elem_size1, src_elem_size2, 1> { enum { shift = 4 }; };
764 template <size_t src_elem_size1, size_t src_elem_size2> struct BinOpShift<src_elem_size1, src_elem_size2, 2> { enum { shift = 2 }; };
765
766 template <typename T1, typename T2, typename D> struct DefaultBinaryShift
767 {
768 enum { shift = BinOpShift<sizeof(T1), sizeof(T2), sizeof(D)>::shift };
769 };
770
771 template <typename Func, bool unary = IsUnaryFunction<Func>::value> struct ShiftDispatcher;
772 template <typename Func> struct ShiftDispatcher<Func, true>
773 {
774 enum { shift = DefaultUnaryShift<typename Func::argument_type, typename Func::result_type>::shift };
775 };
776 template <typename Func> struct ShiftDispatcher<Func, false>
777 {
778 enum { shift = DefaultBinaryShift<typename Func::first_argument_type, typename Func::second_argument_type, typename Func::result_type>::shift };
779 };
780 }
781
782 template <typename Func> struct DefaultTransformShift
783 {
784 enum { shift = functional_detail::ShiftDispatcher<Func>::shift };
785 };
786
787 template <typename Func> struct DefaultTransformFunctorTraits
788 {
789 enum { simple_block_dim_x = 16 };
790 enum { simple_block_dim_y = 16 };
791
792 enum { smart_block_dim_x = 16 };
793 enum { smart_block_dim_y = 16 };
794 enum { smart_shift = DefaultTransformShift<Func>::shift };
795 };
796
797 template <typename Func> struct TransformFunctorTraits : DefaultTransformFunctorTraits<Func> {};
798
799#define OPENCV_CUDA_TRANSFORM_FUNCTOR_TRAITS(type) \
800 template <> struct TransformFunctorTraits< type > : DefaultTransformFunctorTraits< type >
801}}} // namespace cv { namespace cuda { namespace cudev
802
804
805#endif // OPENCV_CUDA_FUNCTIONAL_HPP
cv::T
InputArrayOfArrays InputArrayOfArrays InputOutputArray InputOutputArray InputOutputArray InputOutputArray Size InputOutputArray InputOutputArray T
Definition calib3d.hpp:1867
cv::F
InputArrayOfArrays InputArrayOfArrays InputOutputArray InputOutputArray InputOutputArray InputOutputArray Size InputOutputArray InputOutputArray OutputArray OutputArray F
Definition calib3d.hpp:1867
value
int CvScalar value
Definition core_c.h:720
src2
const CvArr const CvArr * src2
Definition core_c.h:994
src1
const CvArr * src1
Definition core_c.h:993
x
const CvArr CvArr * x
Definition core_c.h:1195
y
const CvArr * y
Definition core_c.h:1187
schar
signed char schar
Definition interface.h:48
uint
uint32_t uint
Definition interface.h:42
uchar
unsigned char uchar
Definition interface.h:51
ushort
unsigned short ushort
Definition interface.h:52
cv::abs
softfloat abs(softfloat a)
Absolute value.
Definition softfloat.hpp:444
std::max
T max(T... args)
std::min
T min(T... args)
cv
"black box" representation of the file storage associated with a file on disk.
Definition calib3d.hpp:441
std::not1
T not1(T... args)
std::not2
T not2(T... args)