functions.h File Reference

#include "std_include.h"
#include "Matrix.h"
#include "gpuarray.h"
#include <set>

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Macros
#define	HOSTDEVICE   inline __attribute__((always_inline))

Functions
HOSTDEVICE Dscalar	Det2x2 (const Dscalar &x11, const Dscalar &x12, const Dscalar &x21, const Dscalar &x22)
	Calculate the determinant of a 2x2 matrix.
HOSTDEVICE void	Circumcenter (const Dscalar2 &x1, const Dscalar2 &x2, Dscalar2 &xc)
	Calculates the circumcenter of the circle passing through x1, x2 and the origin.
HOSTDEVICE void	Circumcenter (const Dscalar2 &x1, const Dscalar2 &x2, const Dscalar2 &x3, Dscalar2 &xc)
	Calculates the circumcenter through x1,x2,x3.
template<typename T >
	__attribute__ ((always_inline)) void removeDuplicateVectorElements(vector< T > &data)
	remove duplicate elements from a vector, preserving the order, using sets More...
newData	resize (n-1)
ArrayHandle< T >	h1 (newData, access_location::host, access_mode::overwrite)
	for (int i=0;i< n;++i) = h.data[i]
newData	resize (n-indices.size())
	__attribute__ ((always_inline)) void printDscalar2(Dscalar2 a)
	print a Dscalar2 to screen
newData	resize (n+extraElements)
ArrayHandle< T >	hnew (newData, access_location::host, access_mode::overwrite)
data	swap (newData)
	if (Nvector > Narray) copydata.resize(Nvector)
ArrayHandle< T >	handle (copydata, access_location::host, access_mode::overwrite)
ArrayHandle< T >	handle (data, access_location::host, access_mode::read)
copydata	resize (n)
HOSTDEVICE void	Circumcircle (const Dscalar2 &x1, const Dscalar2 &x2, Dscalar2 &xc, Dscalar &radius)
	Get the circumcenter and radius, given one of the points on the circumcircle is the origin...
HOSTDEVICE void	Circumcircle (const Dscalar2 &x1, const Dscalar2 &x2, const Dscalar2 &x3, Dscalar2 &xc, Dscalar &radius)
	Get the circumcenter and radius given three distinct points on the circumcirle.
HOSTDEVICE Dscalar	dot (const Dscalar2 &p1, const Dscalar2 &p2)
	The dot product between two vectors of length two.
HOSTDEVICE Dscalar	norm (const Dscalar2 &p)
	The norm of a 2-component vector.
HOSTDEVICE bool	inAnnulus (const Dscalar2 &p1, const Dscalar &rmin, const Dscalar &rmax)
	test if a point lies in an annulus, given the inner and outer radii
HOSTDEVICE Dscalar	SignedPolygonAreaPart (const Dscalar2 &p1, const Dscalar2 &p2)
	Calculate the area of a triangle with a vertex at the origin.
HOSTDEVICE Dscalar	TriangleArea (const Dscalar2 &p1, const Dscalar2 &p2)
	Calculate the area of a triangle with a vertex at the origin.
HOSTDEVICE void	getdhdr (Matrix2x2 &dhdr, const Dscalar2 &rij, const Dscalar2 &rik)
	Calculate matrix of derivatives needed in the 2D Voronoi model. More...
HOSTDEVICE void	getdhdgamma (Dscalar2 &dhdg, const Dscalar2 &rij, const Dscalar2 &rik)
	Calculate the derivative of a Voronoi vertex w/r/t shear strain. More...
HOSTDEVICE int	computeSign (Dscalar x)
	compute the sign of a Dscalar, and return zero if x = 0
HOSTDEVICE Dscalar	computeSignNoCast (Dscalar x)
	compute the sign of a Dscalar, and return zero if x = 0...but return a Dscalar to avoid expensive casts on the GPU
HOSTDEVICE void	computeForceSetVertexModel (const Dscalar2 &vcur, const Dscalar2 &vlast, const Dscalar2 &vnext, const Dscalar &Adiff, const Dscalar &Pdiff, Dscalar2 &dEdv)
	compute a force on a vertex from changing cell vertices More...
HOSTDEVICE int	Quadrant (Dscalar x, Dscalar y)
	Calculate which quadrant the point (x,y) is in.

Variables
int	index
GPUArray< T >	newData
int	idx = 0
	data = newData
vector< int >	indices
int	n = data.getNumElements()
int	vectorIndex = 0
int	extraElements
GPUArray< T > &	copydata
int	Nvector = data.size()