ft_utility.h

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/*
****************************
 
FasTensor (FT) Copyright (c) 2021, The Regents of the University of
California, through Lawrence Berkeley National Laboratory (subject to
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If you have questions about your rights to use or distribute this software,
please contact Berkeley Lab's Intellectual Property Office at
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NOTICE.  This Software was developed under funding from the U.S. Department
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its behalf a paid-up, nonexclusive, irrevocable, worldwide license in the
Software to reproduce, distribute copies to the public, prepare derivative 
works, and perform publicly and display publicly, and to permit others to do so.
 
 
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*** License Agreement ***
 
FasTensor (FT) Copyright (c) 2021, The Regents of the University of
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receipt of any required approvals from the U.S. Dept. of Energy). 
All rights reserved.
 
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*/
 
#ifndef ARRAY_UDF_UTILITY_H
#define ARRAY_UDF_UTILITY_H
 
#include <vector>
#include <type_traits>
#include <cstring>
#include <cmath>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <tuple>
#include <string>
#include <sstream>
#include <algorithm>
#include <iterator>
#include <iostream>
#include <utility>
#include <variant>
#include <dirent.h>
 
#include "ft_type.h"
#include "ft_utility_macro.h"
 
#if __cplusplus > 201402L
#include "cista.h"
#endif
 
#define V2VOIDP(vv) static_cast<void *>(vv.data())
 
extern int ft_rank;
 
std::string realpathEx(std::string path);
 
std::vector<std::string> GetDirFileList(std::string dir_str_p);
 
int ExtractEndpointTypeInfo(std::string endpoint_type_info, AuEndpointType &endpoint_type, std::string &endpoint_info);
 
int file_exist(const char *filename);
 
std::string ExtractFileName(const std::string &fullPath);
 
std::string ExtractPath(const std::string &fullPath);
 
template <typename T>
inline void PrintVector(std::string name, std::vector<T> v)
{
    int n = v.size();
    if (name != "")
        std::cout << "Rank " << ft_rank << ", " << name << ": ";
 
    if (!n)
    {
        std::cout << std::endl;
        return;
    }
 
    if (n > 8)
    {
        for (int i = 0; i < 4; i++)
        {
            std::cout << v[i] << ",";
        }
        std::cout << " ... ";
        for (int i = n - 4; i < n - 1; i++)
        {
            std::cout << v[i] << ",";
        }
        std::cout << v[n - 1];
    }
    else
    {
        for (int i = 0; i < n - 1; i++)
        {
            std::cout << v[i] << ",";
        }
        std::cout << v[n - 1];
    }
    std::cout << std::endl;
}
 
template <typename T>
inline void PrintVV(std::string name, std::vector<std::vector<T>> v)
{
    int n = v.size();
    if (name != "")
        std::cout << "Rank " << ft_rank << ", " << name << ": ";
 
    if (!n)
    {
        std::cout << std::endl;
        return;
    }
 
    if (n > 8)
    {
        for (int i = 0; i < 4; i++)
        {
            PrintVector("", v[i]);
        }
        std::cout << " ... \n";
        for (int i = n - 4; i < n; i++)
        {
            PrintVector("", v[i]);
        }
    }
    else
    {
        for (int i = 0; i < n - 1; i++)
        {
            PrintVector("", v[i]);
        }
    }
    std::cout << std::endl;
}
 
template <typename T>
inline void PrintScalar(std::string name, T v)
{
    if (name != "")
        std::cout << "Rank " << ft_rank << ", " << name << ": "
                  << ": " << v << std::endl;
}
 
template <typename T>
inline void PrintString(std::string name)
{
    if (name != "")
        std::cout << "Rank " << ft_rank << ", " << name << std::endl;
}
 
inline unsigned long long RowMajorOrder(std::vector<unsigned long long> dsize, std::vector<unsigned long long> coordinate)
{
    unsigned long long offset = coordinate[0];
    int n = dsize.size();
    for (int i = 1; i < n; i++)
    {
        offset = offset * dsize[i] + coordinate[i];
    }
    return offset;
}
 
inline std::vector<unsigned long long> RowMajorOrderReverse(unsigned long long offset, std::vector<unsigned long long> dsize)
{
    int n = dsize.size();
    std::vector<unsigned long long> original_coordinate;
    original_coordinate.resize(n);
    //unsigned long long reminder;
    for (unsigned long long i = n - 1; i >= 1; i--)
    {
        original_coordinate[i] = offset % dsize[i];
        offset = offset / dsize[i];
    }
    //Last dimenstion
    original_coordinate[0] = offset;
 
    return original_coordinate;
}
 
template <class T1, class T2>
inline void InsertAttribute2VirtualArrayVector(const std::vector<T1> &attribute_vector, AuEndpointDataType union_index, std::vector<T2> &virtual_array_vector, int attribute_index)
{
    assert(attribute_vector.size() == virtual_array_vector.size());
    size_t n = attribute_vector.size();
    for (size_t i = 0; i < n; i++)
    {
        T1 attribute_vector_value = attribute_vector[i];
        int m_index = 0;
        cista::for_each_field(virtual_array_vector[i], [&m_index, attribute_index, attribute_vector_value, union_index](auto &&m) {
            if (m_index == attribute_index)
            {
                switch (union_index)
                {
                case AU_SHORT:
                {
                    m = std::get<AU_SHORT>(attribute_vector_value);
                    break;
                }
                case AU_INT:
                {
                    m = std::get<AU_INT>(attribute_vector_value);
                    break;
                }
                case AU_LONG:
                {
                    m = std::get<AU_LONG>(attribute_vector_value);
                    break;
                }
                case AU_LONG_LONG:
                {
                    m = std::get<AU_LONG_LONG>(attribute_vector_value);
                    break;
                }
                case AU_USHORT:
                {
                    m = std::get<AU_USHORT>(attribute_vector_value);
                    break;
                }
                case AU_UINT:
                {
                    m = std::get<AU_UINT>(attribute_vector_value);
                    break;
                }
                case AU_ULONG:
                {
                    m = std::get<AU_ULONG>(attribute_vector_value);
                    break;
                }
                case AU_ULLONG:
                {
                    m = std::get<AU_ULLONG>(attribute_vector_value);
                    break;
                }
                case AU_FLOAT:
                {
                    m = std::get<AU_FLOAT>(attribute_vector_value);
                    break;
                }
                case AU_DOUBLE:
                {
                    m = std::get<AU_DOUBLE>(attribute_vector_value);
                    break;
                }
                default:
                    std::cout << "Unsupported datatype in " << __FILE__ << " : " << __LINE__ << std::endl;
                    std::flush(std::cout);
                    std::exit(EXIT_FAILURE);
                }
                return;
            }
            m_index++;
        });
    }
}
 
template <>
inline void InsertAttribute2VirtualArrayVector<AuEndpointDataTypeUnion, std::complex<double>>(const std::vector<AuEndpointDataTypeUnion> &attribute_vector, AuEndpointDataType union_index, std::vector<std::complex<double>> &virtual_array_vector, int attribute_index)
{
    AU_EXIT("std::complex does not work with cista::for_each_field now");
}
 
#define ExtractAttributeFromVirtualArrayVector_HELPER(ELEMENT_TYPE)                                                       \
    {                                                                                                                     \
        ELEMENT_TYPE *attribute_data_typed = (ELEMENT_TYPE *)attribute_data_void_pointer;                                 \
        for (size_t i = 0; i < n; i++)                                                                                    \
        {                                                                                                                 \
            int m_index = 0;                                                                                              \
            ELEMENT_TYPE temp_attribute_value;                                                                            \
            cista::for_each_field(virtual_array_vector[i], [&m_index, attribute_index, &temp_attribute_value](auto &&m) { \
                if (m_index == attribute_index)                                                                           \
                {                                                                                                         \
                    temp_attribute_value = m;                                                                             \
                }                                                                                                         \
                m_index++;                                                                                                \
            });                                                                                                           \
            attribute_data_typed[i] = temp_attribute_value;                                                               \
        }                                                                                                                 \
    }
 
template <class T2>
inline void *ExtractAttributeFromVirtualArrayVector(std::vector<T2> &virtual_array_vector, int attribute_index, AuEndpointDataType element_type, int element_type_size)
{
 
    size_t n = virtual_array_vector.size();
    void *attribute_data_void_pointer = malloc(n * element_type_size);
 
    switch (element_type)
    {
    case AU_SHORT:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(short);
        break;
    }
    case AU_INT:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(int);
        break;
    }
    case AU_LONG:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(long);
        break;
    }
    case AU_LONG_LONG:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(long long);
        break;
    }
    case AU_USHORT:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(unsigned short);
        break;
    }
    case AU_UINT:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(unsigned int);
        break;
    }
    case AU_ULONG:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(unsigned long);
        break;
    }
    case AU_ULLONG:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(unsigned long long);
        break;
    }
    case AU_FLOAT:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(float);
        break;
    }
    case AU_DOUBLE:
    {
        ExtractAttributeFromVirtualArrayVector_HELPER(double);
        break;
    }
    default:
        std::cout << "Unsupported datatype in " << __FILE__ << " : " << __LINE__ << std::endl;
        std::flush(std::cout);
        std::exit(EXIT_FAILURE);
    }
    return attribute_data_void_pointer;
}
 
template <>
inline void *ExtractAttributeFromVirtualArrayVector<std::complex<double>>(std::vector<std::complex<double>> &virtual_array_vector, int attribute_index, AuEndpointDataType element_type, int element_type_size)
{
    AU_EXIT("std::complex<double> does work with cista::to_tuple<");
}
 
#include <vector>
#include <iterator>
#include <iostream>
#include <string>
#include <sstream>
#include <iomanip>
template <typename T>
std::string Vector2String(const std::vector<T> &vec)
{
    std::ostringstream vts;
    vts << std::setprecision(17); //force high prevision for float
    if (!vec.empty())
    {
        // Convert all but the last element to avoid a trailing ","
        std::copy(vec.begin(), std::prev(vec.end(), 1),
                  std::ostream_iterator<T>(vts, ","));
 
        // Now add the last element with no delimiter
        vts << vec.back();
    }
    return vts.str();
}
 
template <typename T>
void String2Vector(const std::string &str, std::vector<T> &vec_new)
{
    std::stringstream ss(str);
    vec_new.clear();
    for (T i; ss >> i;)
    {
        vec_new.push_back(i);
        if (ss.peek() == ',')
            ss.ignore();
    }
}
 
#endif