mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-15 18:15:52 +08:00
155 lines
3.7 KiB
C++
155 lines
3.7 KiB
C++
/*
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Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
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last modification: $LastChangedDate$ (revision $Rev$)
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 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 Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef JKQTPARRAYTOOLS_H_INCLUDED
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#define JKQTPARRAYTOOLS_H_INCLUDED
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#include <stdint.h>
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#include <cmath>
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#include <stdlib.h>
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#include <string.h>
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#include <iostream>
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#include <stdio.h>
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#include <limits>
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#include <vector>
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#include <utility>
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#include <cfloat>
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#include <ostream>
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#include <iomanip>
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#include <sstream>
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#include "jkqtmath/jkqtmath_imexport.h"
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#ifdef _OPENMP
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# include <omp.h>
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#endif
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#ifndef __LINUX__
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# if defined(linux)
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# define __LINUX__
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# endif
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#endif
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#ifdef __LINUX__
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#include <malloc.h>
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#include <stdlib.h>
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#endif
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#ifndef JKQTP_ALIGNMENT_BYTES
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#define JKQTP_ALIGNMENT_BYTES 32
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#endif
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/*! \brief swap two elements \a l and \a r in an array \a a
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\ingroup jkqtptools_math_array
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*/
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template <class T>
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inline void jkqtpArraySwap(T* a, long long l, long long r){
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const T tmp=a[l];
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a[l]=a[r];
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a[r]=tmp;
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}
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/*! \brief swap two elements \a l and \a r in an array \a a
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\ingroup jkqtptools_math_array
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*/
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template <class T>
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inline void jkqtpArraySwapV(std::vector<T>& a, long long l, long long r){
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const T tmp=a[l];
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a[l]=a[r];
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a[r]=tmp;
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}
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/*! \brief duplicate an array of data
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\ingroup jkqtptools_math_array
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\note use free() to free the memory!!!
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*/
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template <class T>
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inline T* jkqtpArrayDuplicate(const T* dataIn, long long N) {
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// std::cout<<"statisticsDuplicateArray("<<dataIn<<", "<<N<<")\n";
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if (N<=0 || !dataIn) return nullptr;
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T* out=static_cast<T*>(malloc(N*sizeof(T)));
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if (out) memcpy(out, dataIn, N*sizeof(T));
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return out;
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}
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/*! \brief this class ensures that the given pointer is freed when the class is destroyed.
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\ingroup jkqtptools_math_array
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*/
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template<typename T>
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class JKQTPArrayScopedPointer {
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public:
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inline explicit JKQTPArrayScopedPointer(T* pnt) {
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pntr=pnt;
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}
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inline explicit JKQTPArrayScopedPointer() {
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pntr=nullptr;
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}
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inline explicit JKQTPArrayScopedPointer(const JKQTPArrayScopedPointer& other) {
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pntr=other.pntr;
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}
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~JKQTPArrayScopedPointer() {
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if (pntr) free(pntr);
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}
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inline JKQTPArrayScopedPointer<T>& operator=(T* p) {
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pntr=p;
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return *this;
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}
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inline JKQTPArrayScopedPointer<T>& operator=(const JKQTPArrayScopedPointer<T>& p) {
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pntr=p.pntr;
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return *this;
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}
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inline T& operator*() const { return *pntr; }
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inline T* operator->() const { return pntr; }
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inline T* data() const { return pntr; }
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inline T& operator[](long long i) {
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return pntr[i];
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}
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inline const T& operator[](long long i) const {
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return pntr[i];
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}
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private:
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T* pntr;
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};
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#endif // JKQTPARRAYTOOLS_H_INCLUDED
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