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tamaas/src/core/surface_complex.hh
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surface_complex.hh
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/**
* @file
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Tamaas is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Tamaas. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef SURFACE_COMPLEX_H
#define SURFACE_COMPLEX_H
/* -------------------------------------------------------------------------- */
#include "grid_hermitian.hh"
#include "surface.hh"
#include <thrust/complex.h>
__BEGIN_TAMAAS__
/**
* @deprecated should use GridHermitian instead
* @brief Square 2D complex surface
*/
template <typename T>
class SurfaceComplex : public GridHermitian<T, 2> {
public:
SurfaceComplex(UInt a, Real L);
using GridHermitian<T, 2>::GridHermitian;
using GridHermitian<T, 2>::operator=;
using GridHermitian<T, 2>::operator();
//! make a surface real by taking norm as real part and imaginary 0
void makeItRealBySquare();
//! make it real by summing the imaginary and real parts
void makeItRealBySum();
//! make a surface real by taking norm as real part and imaginary 0
void makeItRealByAbs();
//! get real part
Surface<T> real() const;
//! get imaginary part
Surface<T> imag() const;
UInt size() const { return this->n[0]; }
UInt getL() const { return 1.; }
void setGridSize(UInt s);
virtual const SurfaceComplex<T>& getWrappedNumpy() { return *this; };
#define SURF_OPERATOR(op) \
inline void operator op(const Surface<T>& other); \
inline void operator op(const SurfaceComplex<T>& other)
SURF_OPERATOR(+=);
SURF_OPERATOR(*=);
SURF_OPERATOR(-=);
SURF_OPERATOR(/=);
#undef SURF_OPERATOR
};
/* -------------------------------------------------------------------------- */
template <typename T>
void SurfaceComplex<T>::setGridSize(UInt s) {
this->n[0] = s;
this->n[1] = s / 2 + 1;
this->resize(this->n);
}
/* -------------------------------------------------------------------------- */
template <typename T>
Surface<T> SurfaceComplex<T>::real() const {
Surface<T> res(this->size(), this->getL());
UInt n = this->size();
for (UInt i = 0; i < n; ++i)
for (UInt j = 0; j < n; ++j) {
res(i, j) = (*this)(i, j).real();
}
return res;
}
/* -------------------------------------------------------------------------- */
template <typename T>
Surface<T> SurfaceComplex<T>::imag() const {
Surface<T> res(this->size(), this->getL());
UInt n = this->size();
for (UInt i = 0; i < n; ++i)
for (UInt j = 0; j < n; ++j) {
res(i, j) = (*this)(i, j).imag();
}
return res;
}
/* -------------------------------------------------------------------------- */
template <typename T>
void SurfaceComplex<T>::makeItRealBySquare() {
Loop::loop([] CUDA_LAMBDA(complex<T> & x) { x *= thrust::conj(x); }, *this);
}
/* -------------------------------------------------------------------------- */
template <typename T>
void SurfaceComplex<T>::makeItRealByAbs() {
Loop::loop([] CUDA_LAMBDA(complex<T> & x) { x = thrust::abs(x); }, *this);
}
/* -------------------------------------------------------------------------- */
template <typename T>
void SurfaceComplex<T>::makeItRealBySum() {
Loop::loop([] CUDA_LAMBDA(complex<T> & x) { x = x.real() + x.imag(); },
*this);
}
/* -------------------------------------------------------------------------- */
template <typename T>
SurfaceComplex<T>::SurfaceComplex(UInt a, Real L) : GridHermitian<T, 2>() {
this->n = GridHermitian<T, 2>::hermitianDimensions({{a, a}});
this->resize(this->n);
}
/* -------------------------------------------------------------------------- */
#define SURF_OP_IMPL(op) \
template <typename T> \
inline void SurfaceComplex<T>::operator op(const Surface<T>& other) { \
TAMAAS_ASSERT(this->n[0] == other.sizes()[0] && \
this->n[1] == other.sizes()[1] / 2 + 1, \
"surface size does not match"); \
_Pragma("omp parallel for") for (UInt i = 0; i < this->n[0]; \
i++) for (UInt j = 0; j < this->n[1]; \
j++) (*this)(i, j)op other(i, \
j); \
} \
template <typename T> \
inline void SurfaceComplex<T>::operator op(const SurfaceComplex<T>& other) { \
Grid<complex<T>, 2>::operator op(other); \
}
SURF_OP_IMPL(+=);
SURF_OP_IMPL(*=);
SURF_OP_IMPL(-=);
SURF_OP_IMPL(/=);
#undef SURF_OP_IMPL
__END_TAMAAS__
#endif /* SURFACE_COMPLEX_H */
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