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224 lines
6.8 KiB
C++
224 lines
6.8 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/simd/Grid_vector_unops.h
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution
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directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef GRID_VECTOR_UNOPS
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#define GRID_VECTOR_UNOPS
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#include <cmath>
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namespace Grid {
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template <class scalar>
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struct SqrtRealFunctor {
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scalar operator()(const scalar &a) const { return sqrt(real(a)); }
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};
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template <class scalar>
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struct RSqrtRealFunctor {
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scalar operator()(const scalar &a) const {
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return scalar(1.0 / sqrt(real(a)));
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}
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};
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template <class scalar>
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struct CosRealFunctor {
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scalar operator()(const scalar &a) const { return cos(real(a)); }
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};
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template <class scalar>
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struct SinRealFunctor {
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scalar operator()(const scalar &a) const { return sin(real(a)); }
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};
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template <class scalar>
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struct AcosRealFunctor {
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scalar operator()(const scalar &a) const { return acos(real(a)); }
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};
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template <class scalar>
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struct AsinRealFunctor {
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scalar operator()(const scalar &a) const { return asin(real(a)); }
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};
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template <class scalar>
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struct LogRealFunctor {
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scalar operator()(const scalar &a) const { return log(real(a)); }
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};
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template <class scalar>
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struct ExpFunctor {
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scalar operator()(const scalar &a) const { return exp(a); }
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};
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template <class scalar>
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struct NotFunctor {
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scalar operator()(const scalar &a) const { return (!a); }
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};
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template <class scalar>
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struct AbsRealFunctor {
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scalar operator()(const scalar &a) const { return std::abs(real(a)); }
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};
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template <class scalar>
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struct PowRealFunctor {
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double y;
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PowRealFunctor(double _y) : y(_y){};
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scalar operator()(const scalar &a) const { return pow(real(a), y); }
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};
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template <class scalar>
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struct ModIntFunctor {
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Integer y;
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ModIntFunctor(Integer _y) : y(_y){};
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scalar operator()(const scalar &a) const { return Integer(a) % y; }
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};
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template <class scalar>
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struct DivIntFunctor {
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Integer y;
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DivIntFunctor(Integer _y) : y(_y){};
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scalar operator()(const scalar &a) const { return Integer(a) / y; }
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};
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template <class scalar>
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struct RealFunctor {
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scalar operator()(const scalar &a) const { return std::real(a); }
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};
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template <class scalar>
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struct ImagFunctor {
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scalar operator()(const scalar &a) const { return std::imag(a); }
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};
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template <class S, class V>
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inline Grid_simd<S, V> real(const Grid_simd<S, V> &r) {
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return SimdApply(RealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> imag(const Grid_simd<S, V> &r) {
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return SimdApply(ImagFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> sqrt(const Grid_simd<S, V> &r) {
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return SimdApply(SqrtRealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> rsqrt(const Grid_simd<S, V> &r) {
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return SimdApply(RSqrtRealFunctor<S>(), r);
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}
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template <class Scalar>
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inline Scalar rsqrt(const Scalar &r) {
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return (RSqrtRealFunctor<Scalar>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> cos(const Grid_simd<S, V> &r) {
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return SimdApply(CosRealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> sin(const Grid_simd<S, V> &r) {
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return SimdApply(SinRealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> acos(const Grid_simd<S, V> &r) {
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return SimdApply(AcosRealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> asin(const Grid_simd<S, V> &r) {
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return SimdApply(AsinRealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> log(const Grid_simd<S, V> &r) {
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return SimdApply(LogRealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> abs(const Grid_simd<S, V> &r) {
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return SimdApply(AbsRealFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> exp(const Grid_simd<S, V> &r) {
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return SimdApply(ExpFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> Not(const Grid_simd<S, V> &r) {
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return SimdApply(NotFunctor<S>(), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> pow(const Grid_simd<S, V> &r, double y) {
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return SimdApply(PowRealFunctor<S>(y), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> mod(const Grid_simd<S, V> &r, Integer y) {
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return SimdApply(ModIntFunctor<S>(y), r);
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}
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template <class S, class V>
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inline Grid_simd<S, V> div(const Grid_simd<S, V> &r, Integer y) {
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return SimdApply(DivIntFunctor<S>(y), r);
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}
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////////////////////////////////////////////////////////////////////////////
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// Allows us to assign into **conformable** real vectors from complex
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////////////////////////////////////////////////////////////////////////////
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template <class scalar>
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struct AndFunctor {
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scalar operator()(const scalar &x, const scalar &y) const { return x & y; }
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};
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template <class scalar>
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struct OrFunctor {
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scalar operator()(const scalar &x, const scalar &y) const { return x | y; }
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};
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template <class scalar>
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struct AndAndFunctor {
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scalar operator()(const scalar &x, const scalar &y) const { return x && y; }
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};
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template <class scalar>
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struct OrOrFunctor {
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scalar operator()(const scalar &x, const scalar &y) const { return x || y; }
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};
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////////////////////////////////
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// Calls to simd binop functors
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////////////////////////////////
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template <class S, class V>
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inline Grid_simd<S, V> operator&(const Grid_simd<S, V> &x,
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const Grid_simd<S, V> &y) {
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return SimdApplyBinop(AndFunctor<S>(), x, y);
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}
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template <class S, class V>
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inline Grid_simd<S, V> operator&&(const Grid_simd<S, V> &x,
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const Grid_simd<S, V> &y) {
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return SimdApplyBinop(AndAndFunctor<S>(), x, y);
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}
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template <class S, class V>
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inline Grid_simd<S, V> operator|(const Grid_simd<S, V> &x,
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const Grid_simd<S, V> &y) {
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return SimdApplyBinop(OrFunctor<S>(), x, y);
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}
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template <class S, class V>
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inline Grid_simd<S, V> operator||(const Grid_simd<S, V> &x,
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const Grid_simd<S, V> &y) {
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return SimdApplyBinop(OrOrFunctor<S>(), x, y);
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}
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}
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#endif
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