# PhasicFlow: src/phasicFlow/triSurface/triangleFunctions.hpp Source File
PhasicFlow is an open-source parallel DEM (discrete element method) package for simulating granular flow. It is developed in C++ and can be exectued on both GPU (like CUDA) and CPU.

triangleFunctions.hpp
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/*------------------------------- phasicFlow ---------------------------------
O C enter of
O O E ngineering and
O O M ultiscale modeling of
OOOOOOO F luid flow
------------------------------------------------------------------------------
Copyright (C): www.cemf.ir
email: hamid.r.norouzi AT gmail.com
------------------------------------------------------------------------------
Licence:
This file is part of phasicFlow code. It is a free software for simulating
granular and multiphase flows. You can redistribute it and/or modify it under
the terms of GNU General Public License v3 or any other later versions.
phasicFlow is distributed to help others in their research in the field of
granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-----------------------------------------------------------------------------*/
#ifndef __triangleFunctions_hpp__
#define __triangleFunctions_hpp__
#include "types.hpp"
namespace pFlow::triangle
{
INLINE_FUNCTION_HD
real surface( const realx3& p1, const realx3& p2, const realx3& p3)
{
realx3 V1 = p2 - p1;
realx3 V2 = p3 - p1;
return abs((cross(V1,V2)).length()/(real)2.0);
}
INLINE_FUNCTION_HD
realx3 normal(const realx3& p1, const realx3& p2, const realx3& p3)
{
auto n = cross(p2-p1, p3-p1);
if( equal(n.length(), 0.0) )
return realx3(0);
else
return normalize(n);
}
INLINE_FUNCTION_HD
bool valid
(
const realx3& p1,
const realx3& p2,
const realx3& p3
)
{
return !equal(cross(p2-p1, p3-p1).length(), 0.0);
}
}
#endif
normalize
INLINE_FUNCTION_HD triple< T > normalize(const triple< T > &v1)
pFlow::real
float real
Definition: builtinTypes.hpp:45
types.hpp
pFlow::triangle::valid
INLINE_FUNCTION_HD bool valid(const realx3 &p1, const realx3 &p2, const realx3 &p3)
Definition: triangleFunctions.hpp:49
pFlow::equal
INLINE_FUNCTION_HD bool equal(const box &b1, const box &b2, real tol=smallValue)
Definition: box.hpp:135
pFlow::triangle::normal
INLINE_FUNCTION_HD realx3 normal(const realx3 &p1, const realx3 &p2, const realx3 &p3)
Definition: triangleFunctions.hpp:38
pFlow::realx3
triple< real > realx3
Definition: types.hpp:43
pFlow::triangle
Definition: triangleFunctions.hpp:26
cross
INLINE_FUNCTION_HD triple< T > cross(const triple< T > &v1, const triple< T > &v2)
length
INLINE_FUNCTION_HD T length(const triple< T > &v1)
pFlow::abs
Vector< T, Allocator > abs(const Vector< T, Allocator > &v)
Definition: VectorMath.hpp:84
n
uint32 n
Definition: NBSLoop.hpp:24
INLINE_FUNCTION_HD
#define INLINE_FUNCTION_HD
Definition: pFlowMacros.hpp:55
pFlow::triple< real >
pFlow::triangle::surface
INLINE_FUNCTION_HD real surface(const realx3 &p1, const realx3 &p2, const realx3 &p3)
Definition: triangleFunctions.hpp:30