fixes due to min/max...

This commit is contained in:
alemuntoni 2021-03-11 19:21:56 +01:00
parent 5d49dfd69b
commit b07c7d0894
2 changed files with 21 additions and 16 deletions

View File

@ -1,3 +1,8 @@
include(../common.pri)
TARGET = trimesh_sampling
SOURCES += trimesh_sampling.cpp
# Awful..
win32{
DEFINES += NOMINMAX
}

View File

@ -494,18 +494,6 @@ static math::MarsenneTwisterRNG &SamplingRandomGenerator()
return rnd;
}
class MarsenneTwisterURBG
{
public:
MarsenneTwisterURBG(unsigned int max) : _max(max) {}
typedef unsigned int result_type;
unsigned int min() const {return 0;}
unsigned int max() const {return _max;}
unsigned int operator()() {return RandomInt(_max);}
private:
unsigned int _max;
};
// Returns an integer random number in the [0,i-1] interval using the improve Marsenne-Twister method.
// this functor is needed for passing it to the std functions.
static unsigned int RandomInt(unsigned int i)
@ -513,6 +501,18 @@ static unsigned int RandomInt(unsigned int i)
return (SamplingRandomGenerator().generate(i));
}
class MarsenneTwisterURBG
{
public:
typedef unsigned int result_type;
MarsenneTwisterURBG(result_type max) : _max(max) {}
result_type min() const {return 0;}
result_type max() const {return _max;}
result_type operator()() {return SamplingRandomGenerator().generate(_max);}
private:
result_type _max;
};
// Returns a random number in the [0,1) real interval using the improved Marsenne-Twister method.
static double RandomDouble01()
{
@ -725,7 +725,7 @@ static void FillAndShuffleFacePointerVector(MeshType & m, std::vector<FacePointe
assert((int)faceVec.size()==m.fn);
//unsigned int (*p_myrandom)(unsigned int) = RandomInt;
std::shuffle(faceVec.begin(),faceVec.end(), MarsenneTwisterURBG(faceVec.size()));
std::shuffle(faceVec.begin(),faceVec.end(), MarsenneTwisterURBG((unsigned int)faceVec.size()));
}
static void FillAndShuffleVertexPointerVector(MeshType & m, std::vector<VertexPointer> &vertVec)
{
@ -735,7 +735,7 @@ static void FillAndShuffleVertexPointerVector(MeshType & m, std::vector<VertexPo
assert((int)vertVec.size()==m.vn);
//unsigned int (*p_myrandom)(unsigned int) = RandomInt;
std::shuffle(vertVec.begin(),vertVec.end(), MarsenneTwisterURBG(vertVec.size()));
std::shuffle(vertVec.begin(),vertVec.end(), MarsenneTwisterURBG((unsigned int)vertVec.size()));
}
/// Sample the vertices in a uniform way. Each vertex has the same probabiltiy of being chosen.
@ -1941,7 +1941,7 @@ static void PoissonDiskPruning(VertexSampler &ps, MeshType &montecarloMesh,
InitRadiusHandleFromQuality(montecarloMesh, rH, diskRadius, pp.radiusVariance, pp.invertQuality);
//unsigned int (*p_myrandom)(unsigned int) = RandomInt;
std::shuffle(montecarloSHT.AllocatedCells.begin(),montecarloSHT.AllocatedCells.end(), MarsenneTwisterURBG(montecarloSHT.AllocatedCells.size()));
std::shuffle(montecarloSHT.AllocatedCells.begin(),montecarloSHT.AllocatedCells.end(), MarsenneTwisterURBG((unsigned int)montecarloSHT.AllocatedCells.size()));
int t1 = clock();
pp.pds.montecarloSampleNum = montecarloMesh.vn;
pp.pds.sampleNum =0;
@ -2075,7 +2075,7 @@ static void HierarchicalPoissonDisk(MeshType &origMesh, VertexSampler &ps, MeshT
}
// shuffle active cells
//unsigned int (*p_myrandom)(unsigned int) = RandomInt;
std::shuffle(montecarloSHT.AllocatedCells.begin(),montecarloSHT.AllocatedCells.end(), MarsenneTwisterURBG(montecarloSHT.AllocatedCells.size()));
std::shuffle(montecarloSHT.AllocatedCells.begin(),montecarloSHT.AllocatedCells.end(), MarsenneTwisterURBG((unsigned int)montecarloSHT.AllocatedCells.size()));
// generate a sample inside C by choosing one of the contained pre-generated samples
//////////////////////////////////////////////////////////////////////////////////////////