VmathArray.hpp File Reference

#include <LibUtilities/BasicUtils/SharedArray.hpp>
#include <LibUtilities/BasicUtils/Vmath.hpp>

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Namespaces
namespace	Vmath

Functions
template<class T >
void	Vmath::Fill (int n, const T alpha, Array< OneD, T > &x, const int incx)
	Fill a vector with a constant value.
template<class T >
void	Vmath::FillWhiteNoise (int n, const T eps, Array< OneD, T > &x, const int incx, int outseed)
template<class T >
void	Vmath::Vmul (int n, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	Multiply vector z = x*y.
template<class T >
void	Vmath::Vmul (int n, const Array< TwoD, NekDouble >::const_reference &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
template<class T >
void	Vmath::Smul (int n, const T alpha, const Array< OneD, const T > &x, const int incx, Array< OneD, T > &y, const int incy)
	Scalar multiply y = alpha*y.
template<class T >
void	Vmath::Vdiv (int n, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	Multiply vector z = x/y.
template<class T >
void	Vmath::Sdiv (int n, const T alpha, const Array< OneD, const T > &x, const int incx, Array< OneD, T > &y, const int incy)
	Scalar multiply y = alpha/y.
template<class T >
void	Vmath::Vadd (int n, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	Add vector z = x+y.
template<class T >
void	Vmath::Sadd (int n, const T alpha, const Array< OneD, const T > &x, const int incx, Array< OneD, T > &y, const int incy)
	Add vector y = alpha + x.
template<class T >
void	Vmath::Vsub (int n, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	Subtract vector z = x-y.
template<class T >
void	Vmath::Zero (int n, Array< OneD, T > &x, const int incx)
	Zero vector.
template<class T >
void	Vmath::Neg (int n, Array< OneD, T > &x, const int incx)
	Negate x = -x.
template<class T >
void	Vmath::Vlog (int n, const Array< OneD, const T > &x, const int incx, Array< OneD, T > &y, const int incy)
template<class T >
void	Vmath::Vexp (int n, const Array< OneD, const T > &x, const int incx, Array< OneD, T > &y, const int incy)
template<class T >
void	Vmath::Vpow (int n, const Array< OneD, const T > &x, const int incx, const T f, Array< OneD, T > &y, const int incy)
template<class T >
void	Vmath::Vsqrt (int n, const Array< OneD, const T > &x, const int incx, Array< OneD, T > &y, const int incy)
	sqrt y = sqrt(x)
template<class T >
void	Vmath::Vabs (int n, const Array< OneD, const T > &x, const int incx, Array< OneD, T > &y, const int incy)
	vabs: y = |x|
template<class T >
void	Vmath::Vvtvp (int n, const Array< OneD, const T > &w, const int incw, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	vvtvp (vector times vector plus vector): z = w*x + y
template<class T >
void	Vmath::Vvtvp (int n, const Array< TwoD, NekDouble >::const_reference &w, const int incw, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
template<class T >
void	Vmath::Svtvp (int n, const T alpha, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	svtvp (scalar times vector plus vector): z = alpha*x + y
template<class T >
void	Vmath::Svtvm (int n, const T alpha, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	svtvp (scalar times vector plus vector): z = alpha*x + y
template<class T >
void	Vmath::Vvtvm (int n, const Array< OneD, const T > &w, const int incw, const Array< OneD, const T > &x, const int incx, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	vvtvm (vector times vector minus vector): z = w*x - y
template<class T >
void	Vmath::Vvtvvtp (int n, const Array< OneD, const T > &v, int incv, const Array< OneD, const T > &w, int incw, const Array< OneD, const T > &x, int incx, const Array< OneD, const T > &y, int incy, Array< OneD, T > &z, int incz)
	vvtvvtp (vector times vector plus vector times vector): z = v*w + y*z
template<class T >
void	Vmath::Svtsvtp (int n, const T alpha, const Array< OneD, const T > &x, const int incx, const T beta, const Array< OneD, const T > &y, const int incy, Array< OneD, T > &z, const int incz)
	svtsvtp (scalar times vector plus scalar times vector): z = alpha*x + beta*y
template<class T >
void	Vmath::Gathr (int n, const Array< OneD, const T > &x, const Array< OneD, const int > &y, Array< OneD, T > &z)
	Gather vector z[i] = x[y[i]].
template<class T >
void	Vmath::Scatr (int n, const Array< OneD, const T > &x, const Array< OneD, const int > &y, Array< OneD, T > &z)
	Scatter vector z[y[i]] = x[i].
template<class T >
void	Vmath::Assmb (int n, const Array< OneD, T > &x, const Array< OneD, int > &y, Array< OneD, T > &z)
	Assemble z[y[i]] += x[i]; z should be zero'd first.
template<class T >
T	Vmath::Vsum (int n, const Array< OneD, const T > &x, const int incx)
	Subtract return sum(x)
template<class T >
int	Vmath::Imax (int n, const Array< OneD, const T > &x, const int incx)
	Return the index of the maximum element in x.
template<class T >
T	Vmath::Vmax (int n, const Array< OneD, const T > &x, const int incx)
	Return the maximum element in x – called vmax to avoid conflict with max.
template<class T >
int	Vmath::Iamax (int n, const Array< OneD, const T > &x, const int incx)
	Return the index of the maximum absolute element in x.
template<class T >
T	Vmath::Vamax (int n, const Array< OneD, const T > &x, const int incx)
	Return the maximum absolute element in x called vamax to avoid conflict with max.
template<class T >
int	Vmath::Imin (int n, const Array< OneD, const T > &x, const int incx)
	Return the index of the minimum element in x.
template<class T >
T	Vmath::Vmin (int n, const Array< OneD, const T > &x, const int incx)
	Return the minimum element in x - called vmin to avoid conflict with min.
template<class T >
T	Vmath::Dot (int n, const Array< OneD, const T > &w, const Array< OneD, const T > &x)
template<class T >
T	Vmath::Dot (int n, const Array< OneD, const T > &w, const int incw, const Array< OneD, const T > &x, const int incx)
template<class T >
T	Vmath::Dot2 (int n, const Array< OneD, const T > &w, const Array< OneD, const T > &x, const Array< OneD, const int > &y)
template<class T >
T	Vmath::Ddot (int n, const Array< OneD, const T > &w, const int incw, const Array< OneD, const T > &x, const int incx, const Array< OneD, const int > &y, const int incy)
template<class T >
void	Vmath::Vcopy (int n, const Array< OneD, const T > &x, int incx, Array< OneD, T > &y, int const incy)
template<class T >
void	Vmath::Reverse (int n, const Array< OneD, const T > &x, int incx, Array< OneD, T > &y, int const incy)