general.h

#ifndef GENERAL_H_
#define GENERAL_H_

#include <cmath>
#include <complex>
#include <cstring>
#include <ctime>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <map>
#include <string>
#include <vector>

using namespace std;

// JSON
#include <nlohmann/json.hpp>
using nlohmann::json;
using namespace nlohmann;

// Packages
#include "fftw3-mpi.h"
#include "fftw3.h" // this includes the serial fftw as well as mpi header files! See https://fftw.org/doc/MPI-Files-and-Data-Types.html

#include "H5Cpp.h"

#include "reader.h"

#include <Eigen/Dense>
using namespace Eigen;

#include "mpi.h"
#include "sys/stat.h"

#endif

#ifndef FANS_MALLOC_H
#define FANS_MALLOC_H

/* Usage: V *data = FANS_malloc<V>(n); */
template <class V>
inline V *FANS_malloc(std::size_t n)
{
    if (n == 0)
        throw std::invalid_argument("FANS_malloc: zero-byte request");
    void *p = fftw_malloc(n * sizeof(V)); // SIMD-friendly alignment
    if (!p)
        throw std::bad_alloc();
    return static_cast<V *>(p);
}
template <class V>
inline void FANS_free(V *p)
{
    fftw_free(p);
}
#endif // FANS_MALLOC_H

// #define EIGEN_RUNTIME_NO_MALLOC