Datasets:
shibing624
/
source_code

Dataset card Data Studio Files Community
2
text
stringlengths
0
2.2M
0,
0,
4,
4,
1,
};
std::vector<float> costs = {
0.25, 0.25, // Both boxes are contained in first box
};
fl::Variable labelArr = {af::array(5, 2, labels.data()), false};
fl::Variable predArr = {af::array(5, 2, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result(0, 0).array().scalar<float>(), costs[0]);
EXPECT_EQ(result(1, 0).array().scalar<float>(), costs[1]);
}
TEST(BoxUtils, IOUBatched) {
std::vector<float> preds = {1, 1, 3, 3, 1, 0, 1, 2, 3, 1};
std::vector<float> labels = {
0,
0,
4,
4,
1,
0,
0,
4,
4,
1,
};
std::vector<float> costs = {
0.25, 0.25, // Both boxes are contained in first box
};
fl::Variable labelArr = {af::array(5, 1, 2, labels.data()), false};
fl::Variable predArr = {af::array(5, 1, 2, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result(0, 0, 0).array().scalar<float>(), costs[0]);
EXPECT_EQ(result(0, 0, 1).array().scalar<float>(), costs[1]);
}
//// Test GIOU
//// The first box is further away from the second box and should have a smaller
//// score
TEST(BoxUtils, GIOU) {
std::vector<float> preds = {0, 0, 1, 1, 1, 1, 1, 2, 2, 1};
std::vector<float> labels = {2, 2, 3, 3, 1};
fl::Variable labelArr = {af::array(5, 1, labels.data()), false};
fl::Variable predArr = {af::array(5, 2, preds.data()), false};
fl::Variable result = generalizedBoxIou(predArr, labelArr);
EXPECT_LT(result(0, 0).array().scalar<float>(), result(1, 0).scalar<float>());
}
/*
* Copyright (c) 2006-2010 Erin Catto http://www.box2d.org
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#include "b2EdgeAndPolygonContact.h"
#include "../../Common/b2BlockAllocator.h"
#include "../b2Fixture.h"
#include <new>
using namespace std;
b2Contact* b2EdgeAndPolygonContact::Create(b2Fixture* fixtureA, int32, b2Fixture* fixtureB, int32, b2BlockAllocator* allocator)
{
void* mem = allocator->Allocate(sizeof(b2EdgeAndPolygonContact));
return new (mem) b2EdgeAndPolygonContact(fixtureA, fixtureB);
}
void b2EdgeAndPolygonContact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
{
((b2EdgeAndPolygonContact*)contact)->~b2EdgeAndPolygonContact();
allocator->Free(contact, sizeof(b2EdgeAndPolygonContact));
}
b2EdgeAndPolygonContact::b2EdgeAndPolygonContact(b2Fixture* fixtureA, b2Fixture* fixtureB)
: b2Contact(fixtureA, 0, fixtureB, 0)
{
b2Assert(m_fixtureA->GetType() == b2Shape::e_edge);
b2Assert(m_fixtureB->GetType() == b2Shape::e_polygon);
}
void b2EdgeAndPolygonContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
{