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import os
import psutil
process = psutil.Process(os.getpid())
print('Ram usage: {:.2f} MB' .format(process.memory_info().rss/1000000))
import time
start_time=time.time()#Start
print(" time: {:.3f} sec".format(time.time()-start_time))#end
ostringstream ostrfrequency; //@@@declaring output string stream ---
ostrfrequency << frequency; //@@@Sending a number as a stream output---
string strfrequency = ostrfrequency.str(); //@@@the str() converts number into string-
# Read matrix frustration
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@---
//@@@ Read matrix frustration //@@@ ---
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ---
double** read_initial_2D_double(string Filename, int x,int y) //@@@ ---
{ //@@@ ---
double** data_2D = new double* [x]; //@@@ ---
for (int i = 0; i < x; i++) //@@@ ---
data_2D[i] = new double[y]; //@@@ ---
ifstream file("Input/Frequency=0.1Degree=60.txt"); //@@@ ---
if (!file) //@@@ ---
{ //@@@ ---
cout << "Matrix file is not here!" << endl; //@@@ ---
return data_2D; //@@@ ---
} //@@@ ---
else //@@@ ---
{ //@@@ ---
for (int i = 0; i < x; i++) //@@@ ---
{ //@@@ ---
for (int j = 0; j < y; j++) //@@@ ---
{ //@@@ ---
double elem = 0.0; //@@@ ---
file >> elem; //@@@ ---
data_2D[i][j] = elem; //@@@ ---
} //@@@ ---
} //@@@ ---
} //@@@ ---
cout << Filename + "\t\tloaded" << endl; //@@@ ---
return data_2D; //@@@ ---
} //@@@ ---
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@---
#include <tuple>// for tuple
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@---
//@@@ count rows file in .txt //@@@ ---
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ---
tuple<int, int> count_rows_file(string file1) { //@@@ ---
int rows = 0, cols = 0; //@@@ ---
string line, item; //@@@ ---
ifstream file(file1); //@@@ ---
while (getline(file, line)) //@@@ ---
{ //@@@ ---
rows++; //@@@ ---
if (rows == 1) //@@@First row only: ---
{ //@@@determine the number of columns ---
stringstream ss(line); //@@@Set up up a stream from this line ---
while (ss >> item) cols++; //@@@Each item delineated by spaces ---
} //@@@adds one to cols ---
} //@@@ ---
file.close(); //@@@ ---
cout << "\nFile had " << rows << " rows and " << cols << " columns\n" << endl; //@@@ ---
return {rows,cols}; //@@@ ---
} //@@@ ---
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@---
int main()
{
int rows, cols;
tie(rows, cols) = count_rows_file("Input/Frequency=0.1Degree=60.txt"); //tie=constexpr tuple
cout << rows << ',' << cols << endl;
return 0;
}
or
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@---
//@@@ count rows file in .txt //@@@ ---
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ---
int count_rows_file(string file1) //@@@ ---
{ //@@@ ---
int rows = 0, cols = 0; //@@@ ---
string line, item; //@@@ ---
ifstream file(file1); //@@@ ---
while (getline(file, line)) //@@@ ---
{ //@@@ ---
rows++; //@@@ ---
if (rows == 1) //@@@First row only: ---
{ //@@@determine the number of columns ---
stringstream ss(line); //@@@Set up up a stream from this line ---
while (ss >> item) cols++; //@@@Each item delineated by spaces ---
} //@@@adds one to cols ---
} //@@@ ---
file.close(); //@@@ ---
cout << "\nFile had " << rows << " rows and " << cols << " columns\n" << endl; //@@@ ---
return rows; //@@@ ---
} //@@@ ---
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@---
#include<iostream>
clock_t t= clock(); //start
cout<<"\nTime taken by program is :\t"<< ((double)clock() - t) / CLOCKS_PER_SEC << " sec\n";//stop
#include<iostream>
void add(double** a) {
for (int i = 0; i < 10; i++) {
for (int j = 0; j< 4; j++) {
a[i][j] += 2;
}
}
}
int main() {
double** arr = new double* [10];
for (int i = 0; i < 10; i++) {
arr[i] = new double[4]{ NULL };
}
add(arr);
for (int i = 0; i < 10; i++) {
for (int j = 0; j < 4; j++) {
cout << arr[i][j] << '\t';
}
cout << endl;
}
}
#include <iostream>
enum class Type
{
INT,
FLOAT,
CSTRING
};
void printValue(void *ptr, Type type)
{
switch (type)
{
case Type::INT:
std::cout << *static_cast<int*>(ptr) << '\n'; // cast to int pointer and perform indirection
break;
case Type::FLOAT:
std::cout << *static_cast<float*>(ptr) << '\n'; // cast to float pointer and perform indirection
break;
case Type::CSTRING:
std::cout << static_cast<char*>(ptr) << '\n'; // cast to char pointer (no indirection)
// std::cout knows to treat char* as a C-style string
// if we were to perform indirection through the result, then we'd just print the single char that ptr is pointing to
break;
}
}
int main()
{
int nValue{ 5 };
float fValue{ 7.5f };
char szValue[]{ "Mollie" };
printValue(&nValue, Type::INT);
printValue(&fValue, Type::FLOAT);
printValue(szValue, Type::CSTRING);
return 0;
}
#include<iostream>
#include"Header.h"
#define size_matrix 200 //size of matrix clom and row
#define address "matrix-SF-DAG1src-13.txt"
using namespace std;
int main() {
matrix = matrix_vector(size_matrix, szValue);
return 0;
}
#include<iostream> //for cout
#include<vector> //for vector
#include <fstream>
#include <string>
typedef std::vector<int> vector_1d_int; //define type of vector integer one dimensional
typedef std::vector<vector_1d_int> vector_2d_int; //define type of vector integer two dimensional
vector_2d_int matrix_vector(int size_matrix, void* ptr) {
vector_2d_int matrix_2d; //create vector integer two dimensional(matrix_2d)
std::ifstream ifile(static_cast<char*>(ptr)); //read address of file .txt
if (ifile.is_open()) { //if file was available
vector_1d_int matrix_1d; //create vector integer one dimensional(matrix_1d)
int num; //create integer number(num)
while (ifile >> num) { //Set the read number of the file to the defined integer(num)
matrix_1d.push_back(num); //set defined integer(num) into the One after the last cell vector integer one dimensional(matrix_1d)
if (matrix_1d.size() == size_matrix) { //if size of vector is full
matrix_2d.push_back(matrix_1d); //set vector integer one dimensional(matrix_1d) into the One after the last cell vector integer tow dimensional(matrix_2d)
matrix_1d.clear(); //clean all cels of vector integer one dimensional(matrix_1d) and delete it
}
}
}
else { //else if file wasn't available
std::cout << "There was an error opening the input file!\n"; //print "..."
exit(1); //means program(process) terminate normally unsuccessfully..
}
return matrix_2d;
std::cout << matrix_2d[5][4] << std::endl;
matrix_2d.clear();
}
#include<iostream>
#define size_matrix 200
enum class Type
{
S,
M,
C,
D
};
double* calpoint(double* a, Type type, double b)
{
double* c = new double[size_matrix] {0};
switch (type)
{
case Type::S:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] + b;
}
break;
case Type::M:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] - b;
}
break;
case Type::C:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] * b;
}
break;
case Type::D:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] / b;
}
break;
}
return c;
}
double* calpoint(double* a, Type type, double* b)
{
double* c = new double[size_matrix] {0};
switch (type)
{
case Type::S:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] + b[i];
}
break;
case Type::M:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] - b[i];
}
break;
case Type::C:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] * b[i];
}
break;
case Type::D:
for (int i = 0; i < size_matrix; i++) {
c[i] = a[i] / b[i];
}
break;
}
return c;
}
int main()
{
double* a = new double[size_matrix] {0};
double* b = new double[size_matrix] {0};//or double b=5;
double* c = new double[size_matrix] {0};
c = calpoint(a, Type::S, b);
for (int i = 0; i < size_matrix; i++) {
cout << c[i] << endl;
}
}
A = fscanf(fopen('Omega.txt','r'),'%f')