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61 lines
970 B
61 lines
970 B
#include <iostream>
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#include <cstdlib>
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#include <stdio.h>
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using namespace std;
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void array_alloc(double **arr, long arrsize)
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{
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try
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{
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arr = new double* [arrsize];
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arr[0] = new double [arrsize*arrsize];
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for(long i = 1; i < arrsize; i++)
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arr[i] = arr[i-1] + arrsize;
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}
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catch (bad_alloc& ex)
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{
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cerr << "Could not allocate memory for array" << endl;
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exit(1);
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}
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}
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void array_destroy(double **arr)
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{
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delete [] arr[0];
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delete [] arr;
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}
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int main(int argc, char *argv[])
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{
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double **A=NULL;//, **B=NULL, **C=NULL;
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long rozmiar=0;
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char *endptr;
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if (argc < 3)
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{
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cerr << "Usage: " << argv[0] << " <n> <size>" << endl;
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exit(1);
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}
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rozmiar = strtol(argv[2], &endptr, 10);
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if (*endptr)
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{
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cerr << "Invalid array size format" << endl;
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exit(1);
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}
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if (rozmiar <= 0)
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{
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cerr << "The number of matrix dimension must be positive" << endl;
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exit(1);
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}
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array_alloc(A, rozmiar);
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getchar();
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//jeszcze czyszczenie pamięci
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exit(0);
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}
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