I keep getting a stack fault error when trying to run my GA. It compiles fine. No idea what is causing it. Im using borland C++ 5.02.
Here is my code:
Code:#include <iostream.h> #include <fstream.h> #include <cstring.h> #include <stdio.h> #include <stdlib.h> #include <time.h> #include <math.h> #include <ctype.h> #define Population 100 #define Dimension 3 #define Chrome_Length 5 #define Lval 1.5 #define Mval 10 #define Crossover_Rate 700 #define Mutation_Rate 100 #define Lifecycle 100 #define file "C:\\Average.csv" //Function Prototypes void Random_Number_Generator(int MAX, float Numbers[Population][Dimension]); //genrates poulation void Binary_Conversion(int Binary[Population][Chrome_Length*Dimension],float Positivenumberss[Population][Dimension]); //conversion for decimal into binary void Positive_Conversion (float Numbers[Population][Dimension],float Positivenumberss[Population] [Dimension]); //converts initial population into positive numbers void Calculate_Fitness(float Numbers[Population][Dimension],float fitness[Population]); //calculates the fitness of the population void Select_Parents(int Binary [Population][Chrome_Length*Dimension],float fitness[Population],float total, int parents [Population] [Chrome_Length * Dimension], int children [Population][Chrome_Length*Dimension]); //selects the parents void Crossover (int children [Population] [Chrome_Length * Dimension]); //Crossover function void Mutation (int children [Population] [Chrome_Length * Dimension]); //Mutation function void Decimal_Converter(int children [Population] [Chrome_Length * Dimension], float Numbers2 [Population] [Dimension]); // converts children to decimal void Negative_Conversion(float Numbers2 [Population][Dimension],float Numbers [Population][Dimension]); //conversion for decimal numbers into negative numbers float Average_Fitness(float fitness [Population]); // calculates the average fitness float Fittest_Chrome(float fitness [Population]); // searches for the fittest chromasome void main() { float Numbers [Population][Dimension]; // array called numbers to store the population float Numbers2 [Population] [Dimension]; // array to store decimal numbers that need to be converted to negative int Binary [Population][Chrome_Length*Dimension]; // two dimesional array called binary int MAX=pow(2,Chrome_Length)-1; // calculates the maximum value of a given Chrome_Length. Value is 2^cl -1 float Positivenumberss[Population][Dimension]; // array to store decimal numbers to be converted to binary float Fitness[Population]; // an array for the fitness values float Total = 0; // variable used in calculating the total fitness int Parents [Population] [Chrome_Length*Dimension]; // two dimensional array to store parents selected for breeding int Children [Population] [Chrome_Length*Dimension]; // two dimensioanl array to store children bread from selected parents float Average; // variable for the average fitness of a population float Fittest; // variable for the fittest chromasome int n = 1; // variable used to count the number of generations cout.setf(ios::fixed); // function that tells the compiler to output numbers to the screen using fixed point notation cout.setf(ios::showpoint); // function that tells the compiler to always show the decimal point when outputting floating point numbers cout.precision(1); // sets the number of decimal places of floating point numbers srand ( time(NULL) ); // seeds the random number generator using the system clock Random_Number_Generator(MAX,Numbers); // call to the function that generates the initial population ofstream outfile(file, ios::app); // specifies that when ouputing data to csv file, the file should be ammended and not overwritten outfile<<"Generation"<<','<<"Average Fitness"<<','<<"Fittest Chromasome"<<endl; // outputs three column headings to the csv file outfile<<endl; for (int i=0;i<Lifecycle; i++) // loop that sets the numbers of time the GA will go though it's lifecycle { Binary_Conversion(Binary,Positivenumberss); // function that converts decimal numbers into binary Calculate_Fitness(Numbers,Fitness ); // function that measures the fitness of the members of the population Select_Parents(Binary,Fitness,Total,Parents,Children); // function that selects the parents for breeding Crossover(Children); // function that performs Crossover Mutation(Children); // function that performs Mutation Decimal_Converter(Children,Numbers2); // function that converts binary numbers into decimal Positive_Conversion(Numbers,Positivenumberss); // function that converts negative decimal into positive numbers Negative_Conversion(Numbers2,Numbers); // function that converts positve decimal numbers back into negative outfile<<n<<','; // writes the value of counter n to the csv file Average = Average_Fitness(Fitness); // sets the variable average equal to the value returned by the average fitness outfile<<Average<<','; // writes the value of average to the csv file Fittest = Fittest_Chrome(Fitness); // sets the varialbe fittest to equal the value returned by the fittest chromasome outfile<<Fittest<<endl; // writes the value of fittest to the csv file n++; //increments the variable n by one } } //Function inplementations void Random_Number_Generator(int MAX, float Numbers[Population][Dimension]) { float random; // declaring float variable random for (int i=0;i<Population; i++) { for (int j=0;j<Dimension;j++) { random = (rand()%MAX)*1.00; // generate a random number between 0 and MAX random=random /Mval; // divide the random number by Mval random=random -Lval; // take Lval away from the random number Numbers[i][j] = random; //stores the random number in the numbers array } } } void Positive_Conversion (float Numbers[Population][Dimension],float Positivenumberss[Population] [Dimension]) { float decimal; // declare float variable decimal for (int i=0;i<Population; i++) // for each of the population { for (int j=0; j<Dimension;j++) // for each dimension { decimal = Numbers[i][j]; // decimal equals the value [i] [j] in the numbers array decimal=decimal + Lval; // add Lval to the value decimal decimal=decimal * Mval; // multiply decimal by Mval Positivenumberss[i][j]= decimal; // set the value at position [i] [j] in the Positivenumberss array equal to the value of decimal } } } void Binary_Conversion(int Binary[Population][Chrome_Length*Dimension],float Positivenumberss[Population][Dimension]) { int decci; //declaring integer variable for (int i=0; i<Population; i++) { int pos=0; // declaring integer pos and initialising it to zero for (int d =0; d < Dimension; d++) { decci = Positivenumberss[i][d]; // set decci equal to the value at position [i] [d] in the Positivenumberss array for (int j = 0; j < Chrome_Length; j++) // for each bit in the chromasome { int CurrSigBit = pow (2,(Chrome_Length -j-1)); // declare an integer CurrSigBbit and set its value equal to 2^(cl-1) if(CurrSigBit <= decci) // if the value of CurrSigBit is less than or equal to decci { Binary[i][pos] = 1; // set the [i] [pos] position in the binary array to a 1 decci = decci - CurrSigBit; // minus CurrSigBit from decci } else { Binary [i] [pos] = 0; // else set the [i] [pos] position in the binary array to a 0 } pos++; // increment the pos variable by one } } } } void Calculate_Fitness(float Numbers[Population][Dimension],float fitness[Population]) { float total; // declare a float variable total for (int j=0;j<Population; j++) // for each of the population { total = 0; // set value of total to zero for (int i=0;i<Dimension; i++) // for each dimension { total=total + pow (Numbers [j][i],2); // add the square of the value at position [j] [i] in the Numbers array to total } 1000/(total+1); fitness[j]=10000/(total+1); // setting the value at position [j] in the fitness array to equal cout<<fitness[j]<<"INDIVIDUAL FITNESS VALUES"; // outputs the value in the fitness array to the screen cout<<endl; // start outputting data to the screen on a new line } } void Select_Parents(int Binary [Population][Chrome_Length*Dimension] , float fitness[Population], float total,int parents [Population] [Chrome_Length * Dimension], int children [Population][Chrome_Length*Dimension]) { float random_number; // declaring a float variable random_number long int score; // declaring a long integer variable score float temp; // declaring a float variable temp for (int j=0;j<Population; j++) // for each of the population { total = total+ fitness[j]; // add the value a position [j] in the fitness aray to total } cout<<endl; // output blank space to screen cout<<" Total Fitness = " <<total<<endl; // outputs the value of total to the screen for (int i=0;i<Population; i++) // for each of the population { temp=rand()%RAND_MAX; // setting the variable temp equal to a random number between 0 and RAND_MAX (the compilers maximum random_number = (temp/RAND_MAX) * total; // setting the value of random_number equal to (temp divided by RNAD_MAX) multiplied by the value of total cout<<" The Random Number Is "<<random_number<<endl; // ouputs the random number to the screen score =0; // sets the value of score to zero for (int j=0;j<Population; j++) // for each member of the population { score = score + fitness[j]; // add the value in the [j]th position in the fitness array to score cout<<score; // output the value of score cout<<endl; // output on new line if (random_number<score) // if the value random_number less that the value score { for (int k=0;k<Chrome_Length * Dimension;k++) // for each bit in the child { parents [i] [k] = Binary [j][k]; // set the value at position [i] [k] in the parents array to the value at position [j] [k] in the binary array children [i] [k] = Binary [j] [k]; // set the value at position [i] [k] in the children array to the value at position [j] [k] in the binary array } j = (Population) +1; // set the value of j to Population plus one cout<<endl; // output data on new line } } } } void Crossover (int children [Population] [Chrome_Length * Dimension]) { float random_number; // declaring float variable random_number float randy; // declaring float variable randy int temp; // declaring integer variable temp int crosspoint = Chrome_Length * Dimension -2; // declaring crosspoint and setting value to Chrome_Length multiplied by dimension minus two srand ( time(NULL) ); // seeding the random number generator for (int i=0; i< Population; i= i+2) // for every pair in population { random_number = (rand()%1000)*1.00; // set the value of random_number equal to a random number between 0 and 1000 multiplied by one cout<<random_number<<" R"<<" i "<< i<<endl; // output random_number and i to the screen and then start anew line if(random_number <= Crossover_Rate) // if random_number is less than or eqaul to the Crossover_Rate { randy = (rand()%crosspoint)*1.00; // set the value of randy to a random number between 0 and crosspoint cout<<randy<<" Randy"; // output the value of randy to the screen cout<<endl; // start a new line for (int k=randy;k<Chrome_Length*Dimension;k++) // for the pair chosen above { temp = children [i] [k]; // set the value of temp to the value in the children array at position [i] [k] children [i] [k] = children [i+1] [k]; // set the value at position [i] [k] in the children array equal to the value at position [i+1] [k] in the children array children [i+1] [k] = temp; // set the value at position [i+1] [k] in the children array equal to temp } } } } void Mutation (int children [Population] [Chrome_Length * Dimension]) { float random; // declare float variable random srand ( time(NULL) ); // seed the random number generator for ( int i =0; i<Population; i++) // for each of the population { for ( int j=0; j<Chrome_Length*Dimension; j++) // for each bit in a child { random = (rand()%1000); // set random equal to a random number between 0 and 1000 if ((random <= Mutation_Rate) && (children [i] [j] ==0)) // if random is less than or equal to the Mutation_Rate and at position [i] [j] in the children array is a 0 { children [i] [j] =1; // set at position [i] [j] in the children array to a 1 } else if ((random <= Mutation_Rate) && (children [i] [j]==1)) // else if the value of random is less than or equal to Mutation_Rate and the bit at position [i] [j] in the children array is a 1 { children [i] [j] = 0; // set the bit at position [i] [j] in the children array to a 0 } } } } void Decimal_Converter(int children [Population] [Chrome_Length*Dimension], float Numbers2 [Population] [Dimension]) { for(int i = 0; i < Population; i++) // for each of the population { int pos = 0; // declare and set the integer variable position to zero for(int k = 0; k < Dimension; k++) // for each dimension { int n = 1; // declare and set an integer variable n to 1 float Score = 0; // declare and set a float variable score to 0 float number; // declare a float variable number for(int j = pos; j < Chrome_Length + pos; j++) // for each binary bit { if(children[i][j] == 1) // if the bit at position [i] [j] in the children array is a 1 { number = pow(2,(Chrome_Length - n)); // set the value of number equal to 2^(Chrome_Length-n) Score = Score + number; // add number to the value of score } n++; // increment the value of n by one } Numbers2[i][k] = Score; // set the value at position [i] [k] in the array Numbers2 equal to the value of score pos = pos + Chrome_Length; // add the value of Chrome_Length to pos } } } void Negative_Conversion(float Numbers2 [Population][Dimension],float Numbers [Population][Dimension]) { float decimal; // delcare floar variable decimal cout<<endl; // start new line on screen for (int i=0;i<Population; i++) // for each of the population { for (int j=0; j<Dimension;j++) // for each dimension { decimal = Numbers2[i][j]; // set the value of deciaml equal to the value at posiyion [i [j] in the Numbers2 array decimal = (decimal / Mval) - Lval; // divide the value of deciaml by Mval then subtract Lval Numbers2[i][j]=decimal; // set the value at position [i] [j] in the Numbers2 array equal to the value of decimal Numbers [i] [j] = Numbers2 [i] [j]; // set the value at position [i] [j] in the numbers array equal to the value at position [i] [j] in the Numbers2 array } } } float Average_Fitness(float fitness [Population]) // function definition for Average_Fitness { float total=0; // declaring float variable total equal to zero float average; // declaring float variable average for (int j=0;j<Population; j++) // for each of the population { total = total + fitness[j]; // add the value at position [j] in fitness array to total } average = total/Population; // set the value of average to the value of total divided by the value of Population cout<<" Total Fitness: "<<total; // output the value of total to the screen cout<<"Average Fitness: "<<average; // output the value of average to the screen return average; // return the value of average to the main function } float Fittest_Chrome(float fitness [Population]) // function declaration for Fittest_Chrome { float fittest = 0; // declaring a float variable fittest and setting it to 0 for(int i = 0; i < Population; i++) // for each member of the population { if(fitness[i] > fittest) // if the value at position [i] in the fitness array is greater than the value of fittest { fittest = fitness[i]; // set the value of fittest equal to the value at position [i] in the fitness array } } cout<<" Fittest Chromasome: "<<fittest; // output the value of fittest to the screen return fittest; // return the value of fittest to the main function }
