Hi can anyone help me convert these codes into java and let me know which classes are to have?

// Clustering.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <string.h>
#include "MersenneTwister.h"

#define CATAGORICAL_CONST   30.0
#define MAX_FILENAME_SIZE   500

#define MAX_BUFFER_SIZE 500
#define MAX_STRING_SIZE 100
#define MAX_TOKENS      100

#define MAX_POPULATION  20

#define TOKEN_UNUSED            0
#define TOKEN_LINEAR_INTEGER    1
#define TOKEN_LINEAR_FLOAT      2   
#define TOKEN_NOMINAL           3

#define MAX_RECORDS 10000

#define MAX_NUMBER_OF_PEAKS     10
#define FREQUENCY_100           101

#define SAMPLE_SIZE     300

struct Field
{
    char  text[MAX_STRING_SIZE];
    float value;
};

struct Chromosome
{
    int  fitness;
    bool genes[MAX_TOKENS];
};

char InputBuffer [MAX_BUFFER_SIZE];

char Tokens[MAX_TOKENS][MAX_STRING_SIZE];

int FieldType[MAX_TOKENS];

float MinFieldType[MAX_TOKENS];
float MaxFieldType[MAX_TOKENS];

Field Records[MAX_RECORDS][MAX_TOKENS];

int   allocated_cluster[MAX_RECORDS];

bool g[MAX_TOKENS];

Chromosome population[MAX_POPULATION];
Chromosome child;

int number_of_points;
int number_of_features;

int number_of_troughs;
int troughs[MAX_NUMBER_OF_PEAKS];
int depths [MAX_NUMBER_OF_PEAKS];

int number_of_peaks;
int peaks[MAX_NUMBER_OF_PEAKS];
int heights[MAX_NUMBER_OF_PEAKS];

int total_number_of_records;

int freq_100 [FREQUENCY_100 ];

int freq_100_int[FREQUENCY_100];
int freq_100_ave[FREQUENCY_100];

int next_cluster = -1;

int cluster_sizes[MAX_RECORDS];

MTRand random;

int get_next_cluster()
{
    next_cluster++;

    return next_cluster;
}

void init_g()
{
    int i;

    for (i=0; i<MAX_TOKENS; i++)
    {
        g[i] = true;
    }
}

void initFieldType()
{
    int i;

    for (i=0; i<MAX_TOKENS; i++)
    {
        FieldType[i] = TOKEN_UNUSED;
    }
}

void initAllocatedCluster()
{
    int i;

    for (i=0; i<MAX_RECORDS; i++)
    {
        allocated_cluster[i] = -1;
    }
}

void initClusterSizes()
{
    int i;

    for (i=0; i<MAX_RECORDS; i++)
    {
        cluster_sizes[i] = 0;
    }
}

bool getline(FILE *fp, char *buffer)
{
    bool rc;
    bool collect;
    char c;
    int  i;

    rc = false;
    collect = true;

    i = 0;
    while (collect)
    {
        c = getc(fp);

        switch (c)
        {
        case EOF:
            if (i > 0)
            {
                rc = true;
            }
            collect = false;
            break;

        case '\n':
            if (i > 0)
            {
                rc = true;
                collect = false;
                buffer[i] = '\0';
            }
            break;

        default:
            buffer[i] = c;
            i++;
            break;
        }
    }

    return (rc);
}

int getTokens(char* buffer, char seperator)
{
    int i;
    int j;
    int k;

    if (buffer[0] == '\0') return 0;

    for (i=0; i<MAX_TOKENS; i++)
    {
        for (j=0; j<MAX_STRING_SIZE; j++)
        {
            Tokens[i][j] = '\0';
        }
    }

    i = 0;
    j = 0;
    k = 0;

    while (buffer[i] != '\0')
    {
        if (buffer[i] == seperator)
        {
            j++;
            k = 0;
        }
        else
        {
            Tokens[j][k] = buffer[i];
            k++;
        }

        i++;
    }

    return j+1;
}

bool isInteger(char* string)
{
    int size;
    int i;

    size = strlen(string);

    if (size > 0)
    {
        if (string[0] == '?') return false;

        for (i=0; i<size; i++)
        {
            if ((string[i] < '0') || (string[i] > '9'))
            {
                return false;
            }
        }
    }
    else
    {
        return false;
    }

    return true;
}

bool isFloat(char* string)
{
    int number_of_digits = 0;
    int number_of_dots = 0;
    int size;
    int i;

    size = strlen(string);

    if (size > 0)
    {
        if (string[0] == '?') return false;

        for (i=0; i<size; i++)
        {
            switch (string[i])
            {
            case '0':
            case '1':
            case '2':
            case '3':
            case '4':
            case '5':
            case '6':
            case '7':
            case '8':
            case '9':
                number_of_digits++;
                break;

            case '.':
                number_of_dots++;
                break;

            default:
                return false;
                break;
            }
        }
    }
    else
    {
        return false;
    }

    if ((number_of_dots == 1) && (number_of_digits > 0))
    {
        return true;
    }
    else
    {
        return false;
    }
}

bool isText(char* string)
{
    int size;
    int i;

    size = strlen(string);

    if (size > 0)
    {
        if (string[0] == '?') return false;

        for (i=0; i<size; i++)
        {
            if (((string[i] >= 'a') && (string[i] <= 'z')) || ((string[i] >= 'A') && (string[i] <= 'Z')))
            {
                return true;
            }
        }
    }
    else
    {
        return false;
    }

    return false;
}

void setFieldType(char* filename, bool titles_present)
{
    FILE *ifp;
    int  number_of_lines = 0;
    int  number_of_tokens;
    int  i;

    if ( ( ifp = fopen( filename, "r" ) ) != NULL ) 
    {
        while (getline(ifp, InputBuffer))
        {
            if ((!titles_present) || (number_of_lines > 0))
            {
                number_of_tokens = getTokens(InputBuffer, ',');

                if (number_of_tokens > 0)
                {
                    for (i=0; i<number_of_tokens; i++)
                    {
                        switch (FieldType[i])
                        {
                        case TOKEN_UNUSED:
                            if (isText(Tokens[i])) FieldType[i]    = TOKEN_NOMINAL;
                            if (isInteger(Tokens[i])) FieldType[i] = TOKEN_LINEAR_INTEGER;
                            if (isFloat(Tokens[i])) FieldType[i]   = TOKEN_LINEAR_FLOAT;
                            break;

                        case TOKEN_LINEAR_INTEGER:
                            if (isText(Tokens[i])) FieldType[i]  = TOKEN_NOMINAL;
                            if (isFloat(Tokens[i])) FieldType[i] = TOKEN_LINEAR_FLOAT;
                            break;

                        case TOKEN_LINEAR_FLOAT:
                            if (isText(Tokens[i])) FieldType[i] = TOKEN_NOMINAL;
                            break;

                        case TOKEN_NOMINAL:
                            break;

                        default:
                            break;
                        }
                    }
                }
            }
            number_of_lines++;
        }
        fclose(ifp);
    }
    else
    {
        printf("\n");
        printf("\n  ABORTING >> Data File %s not found.  ", filename);
        printf("\n");
    }
}

void setMinMax(char* filename, bool titles_present)
{
    FILE *ifp;
    bool init_min_max = true;
    int  number_of_lines = 0;
    int  number_of_tokens;
    int  i;
    float value;
    long  d_value;

    if ( ( ifp = fopen( filename, "r" ) ) != NULL ) 
    {
        while (getline(ifp, InputBuffer))
        {
            if ((!titles_present) || (number_of_lines > 0))
            {
                number_of_tokens = getTokens(InputBuffer, ',');

                if (number_of_tokens > 0)
                {
                    for (i=0; i<number_of_tokens; i++)
                    {
                        switch (FieldType[i])
                        {
                        case TOKEN_UNUSED:
                            break;

                        case TOKEN_LINEAR_INTEGER:
                            if (sscanf(Tokens[i], "%d", &d_value) == 1)
                            {
                                value = (float)d_value;

                                if (init_min_max)
                                {
                                    MinFieldType[i] = value;
                                    MaxFieldType[i] = value;
                                }
                                else
                                {
                                    if (MinFieldType[i] > value) MinFieldType[i] = value;
                                    if (MaxFieldType[i] < value) MaxFieldType[i] = value;
                                }
                            }
                            break;

                        case TOKEN_LINEAR_FLOAT:
                            if (sscanf(Tokens[i], "%f", &value) == 1)
                            {
                                if (init_min_max)
                                {
                                    MinFieldType[i] = value;
                                    MaxFieldType[i] = value;
                                }
                                else
                                {
                                    if (MinFieldType[i] > value) MinFieldType[i] = value;
                                    if (MaxFieldType[i] < value) MaxFieldType[i] = value;
                                }
                            }
                            break;

                        case TOKEN_NOMINAL:
                            break;

                        default:
                            break;
                        }
                    }
                }
                init_min_max = false;
            }
            number_of_lines++;
        }
        fclose(ifp);

        // Cater for 0..1 being a nominal value

        for (i=0; i<number_of_tokens; i++)
        {
            switch (FieldType[i])
            {
            case TOKEN_UNUSED:
                break;

            case TOKEN_LINEAR_INTEGER:
                if ((MinFieldType[i] == 0) && (MaxFieldType[i] == 1))
                {
                    FieldType[i] = TOKEN_NOMINAL;
                }
                break;

            case TOKEN_LINEAR_FLOAT:
                break;

            case TOKEN_NOMINAL:
                break;

            default:
                break;
            }
        }
    }
    else
    {
        printf("\n");
        printf("\n  ABORTING >> Data File %s not found.  ", filename);
        printf("\n");
    }
}

int printFieldType()
{
    int number_of_fields = 0;
    int i;

    printf("\n");

    for (i=0; i<MAX_TOKENS; i++)
    {
        switch (FieldType[i])
        {
        case TOKEN_UNUSED:
            break;

        case TOKEN_LINEAR_INTEGER:
            printf("Field %d is LINEAR (%d ... %d)\n", i, (long)MinFieldType[i], (long)MaxFieldType[i]);
            number_of_fields++;
            break;

        case TOKEN_LINEAR_FLOAT:
            printf("Field %d is LINEAR (%f ... %f)\n", i, MinFieldType[i], MaxFieldType[i]);
            number_of_fields++;
            break;

        case TOKEN_NOMINAL:
            printf("Field %d is NOMINAL\n", i);
            number_of_fields++;
            break;

        default:
            break;
        }
    }
    printf("\n");
    printf("There are %d fields\n", number_of_fields);
    printf("\n");

    return number_of_fields;
}

int readNumberOfRecords(char* filename, bool titles_present)
{
    FILE *ifp;
    int  number_of_lines = 0;
    int  number_of_records = 0;
    int  number_of_tokens;
    int  i;
    float f_value;
    long  d_value;
    bool  record_okay;

    if ( ( ifp = fopen( filename, "r" ) ) != NULL ) 
    {
        printf("\n");
        printf("Reading Number Of Records in %s\n", filename);

        while (getline(ifp, InputBuffer))
        {
            if ((!titles_present) || (number_of_lines > 0))
            {
                number_of_tokens = getTokens(InputBuffer, ',');

                if (number_of_tokens > 0)
                {
                    record_okay = true;

                    for (i=0; i<number_of_tokens; i++)
                    {
                        if (strcmp(Tokens[i], "?") == 0) record_okay = false;

                        strcpy(Records[number_of_records][i].text, Tokens[i]);

                        switch (FieldType[i])
                        {
                        case TOKEN_UNUSED:
                            break;

                        case TOKEN_LINEAR_INTEGER:
                            if (sscanf(Tokens[i], "%d", &d_value) != 1)
                            {
                                record_okay = false;
                            }
                            break;

                        case TOKEN_LINEAR_FLOAT:
                            if (sscanf(Tokens[i], "%f", &f_value) != 1)
                            {
                                record_okay = false;
                            }
                            break;

                        case TOKEN_NOMINAL:
                            break;

                        default:
                            break;
                        }
                    }
                    if (record_okay) number_of_records++;
                }
            }
            number_of_lines++;
        }
        fclose(ifp);

        printf("... %d records read\n", number_of_records);
        printf("\n");
    }
    else
    {
        printf("\n");
        printf("\n  ABORTING >> Data File %s not found.  ", filename);
        printf("\n");
    }

    return number_of_records;
}

int readSampleData(char* filename, bool titles_present)
{
    FILE *ifp;
    int  number_of_lines = 0;
    int  number_of_records = 0;
    int  number_of_tokens;
    int  i;
    float f_value;
    long  d_value;
    bool  record_okay;
    double sample_limit;

    sample_limit = (double)SAMPLE_SIZE / (double)total_number_of_records;

    if ( ( ifp = fopen( filename, "r" ) ) != NULL ) 
    {
        printf("\n");
        printf("Reading sample data from %s\n", filename);

        while (getline(ifp, InputBuffer))
        {
            if ((!titles_present) || (number_of_lines > 0))
            {
                number_of_tokens = getTokens(InputBuffer, ',');

                if (number_of_tokens > 0)
                {
                    record_okay = true;

                    for (i=0; i<number_of_tokens; i++)
                    {
                        if (strcmp(Tokens[i], "?") == 0) record_okay = false;

                        strcpy(Records[number_of_records][i].text, Tokens[i]);

                        switch (FieldType[i])
                        {
                        case TOKEN_UNUSED:
                            break;

                        case TOKEN_LINEAR_INTEGER:
                            if (sscanf(Tokens[i], "%d", &d_value) == 1)
                            {
                                f_value = (float)d_value;
                                Records[number_of_records][i].value = f_value;
                            }
                            else
                            {
                                record_okay = false;
                            }
                            break;

                        case TOKEN_LINEAR_FLOAT:
                            if (sscanf(Tokens[i], "%f", &f_value) == 1)
                            {
                                Records[number_of_records][i].value = f_value;
                            }
                            else
                            {
                                record_okay = false;
                            }
                            break;

                        case TOKEN_NOMINAL:
                            break;

                        default:
                            break;
                        }
                    }
                    if (record_okay) 
                    {
                        if (random() < sample_limit)
                        {
                            number_of_records++;
                        }
                    }
                }
            }
            number_of_lines++;
        }
        fclose(ifp);

        printf("... %d records read\n", number_of_records);
        printf("\n");
    }
    else
    {
        printf("\n");
        printf("\n  ABORTING >> Data File %s not found.  ", filename);
        printf("\n");
    }

    return number_of_records;
}

int readData(char* filename, bool titles_present)
{
    FILE *ifp;
    int  number_of_lines = 0;
    int  number_of_records = 0;
    int  number_of_tokens;
    int  i;
    float f_value;
    long  d_value;
    bool  record_okay;

    if ( ( ifp = fopen( filename, "r" ) ) != NULL ) 
    {
        printf("\n");
        printf("Reading %s\n", filename);

        if (number_of_records >= MAX_RECORDS) return MAX_RECORDS;  // Safety check

        while (getline(ifp, InputBuffer))
        {
            if ((!titles_present) || (number_of_lines > 0))
            {
                number_of_tokens = getTokens(InputBuffer, ',');

                if (number_of_tokens > 0)
                {
                    record_okay = true;

                    for (i=0; i<number_of_tokens; i++)
                    {
                        if (strcmp(Tokens[i], "?") == 0) record_okay = false;

                        strcpy(Records[number_of_records][i].text, Tokens[i]);

                        switch (FieldType[i])
                        {
                        case TOKEN_UNUSED:
                            break;

                        case TOKEN_LINEAR_INTEGER:
                            if (sscanf(Tokens[i], "%d", &d_value) == 1)
                            {
                                f_value = (float)d_value;
                                Records[number_of_records][i].value = f_value;
                            }
                            else
                            {
                                record_okay = false;
                            }
                            break;

                        case TOKEN_LINEAR_FLOAT:
                            if (sscanf(Tokens[i], "%f", &f_value) == 1)
                            {
                                Records[number_of_records][i].value = f_value;
                            }
                            else
                            {
                                record_okay = false;
                            }
                            break;

                        case TOKEN_NOMINAL:
                            break;

                        default:
                            break;
                        }
                    }
                    if (record_okay) number_of_records++;
                }
            }
            number_of_lines++;
        }
        fclose(ifp);

        printf("... %d records read\n", number_of_records);
        printf("\n");
    }
    else
    {
        printf("\n");
        printf("\n  ABORTING >> Data File %s not found.  ", filename);
        printf("\n");
    }

    return number_of_records;
}

int map100(float value, float min_value, float max_value)
{
    int map_value;

    map_value = (int)((100.0 * value) / (max_value - min_value));
//  map_value = (int)((100.0 * (value - min_value)) / (max_value - min_value));

    return map_value;
}

float dissimilarity_linear(float a, float b, float min_value, float max_value)
{
    float diss;

    if (a > b)
    {
        diss = (float)map100((a - b), min_value, max_value);

        if (diss < 0.0)
        {
            //printf("dissimilarity_linear(a > b): a = %f, b = %f, min_value = %f, max_value = %f\n", a, b, min_value, max_value);
            return 100;
        }
        else
        {
            return diss;
        }
    }
    else
    {
        diss = (float)map100((b - a), min_value, max_value);

        if (diss < 0.0)
        {
            //printf("dissimilarity_linear(a <= b): a = %f, b = %f, min_value = %f, max_value = %f\n", a, b, min_value, max_value);
            return 100;
        }
        else
        {
            return diss;
        }
    }
}

float dissimilarity_catagorical(char* a, char* b)
{
    if (strcmp(a,b) == 0)
    {
        return 0.0;
    }
    else
    {
        return CATAGORICAL_CONST;
    }
}

int distance(bool* g, int a, int b)
{
    int i;
    float sum_of_values = 0.0;
    float sum_of_mins = 0.0;
    float sum_of_maxs = 0.0;
    float dist;

    for (i=0; i<number_of_features; i++)
    {
        if (g[i])
        {
            switch (FieldType[i])
            {
            case TOKEN_UNUSED:
                break;

            case TOKEN_LINEAR_INTEGER:
            case TOKEN_LINEAR_FLOAT:
                //printf("distance: a = %d, b = %d, i = %d\n", a, b, i);
                sum_of_values = sum_of_values + dissimilarity_linear(Records[a][i].value, Records[b][i].value, MinFieldType[i], MaxFieldType[i]);
                sum_of_maxs = sum_of_maxs + 100.0;
                break;

            case TOKEN_NOMINAL:
                sum_of_values = sum_of_values + dissimilarity_catagorical(Records[a][i].text, Records[b][i].text);
                sum_of_maxs = sum_of_maxs + CATAGORICAL_CONST;
                break;

            default:
                break;
            }
        }
    }

    if (sum_of_maxs > 0.0)
    {
        dist = map100(sum_of_values, sum_of_mins, sum_of_maxs);

        if (dist >= 0.0)
        {
            return dist;
        }
        else
        {
            //printf("distance:  number_of_features = %d\n", number_of_features);
            //printf("distance:  dist = %d, sum_of_values = %d, sum_of_mins= %d, sum_of_maxs= %d\n", dist, sum_of_values, sum_of_mins, sum_of_maxs);
            return 100;
        }
    }
    else
    {
        return 100;
    }
}

void get_freq_100(bool* g)
{
    double max;
    int i;
    int j;
    int index;

    for (i=0; i<FREQUENCY_100; i++)
    {
        freq_100[i] = 0;
    }

    for (i=0; i<number_of_points; i++)
    {
        for (j=0; j<number_of_points; j++)
        {
            if (i < j)
            {
                index = distance(g, i, j);
                if ((index >= 0) && (index <= 100))
                {
                    freq_100[index]++;
                }
                else
                {
                    //printf("freq_100: index = %d\n", index);
                }
            }
        }
    }
}

void get_freq_100_ave()
{
    int i;
    int j;
    int index;
    int count;

    // Intermediate averages

    for (i=0; i<FREQUENCY_100; i++)
    {
        count = 0;
        freq_100_int[i] = 0;

        for (j=-4; j<=4; j++)
        {
            index = i + j;

            if ((index >= 0) && (index < FREQUENCY_100))
            {
                freq_100_int[i] = freq_100_int[i] + freq_100[index];
                count++;
            }
        }
        freq_100_int[i] = freq_100_int[i] / count;
    }

    // Full averages

    for (i=0; i<FREQUENCY_100; i++)
    {
        count = 0;
        freq_100_ave[i] = 0;

        for (j=-4; j<=4; j++)
        {
            index = i + j;

            if ((index >= 0) && (index < FREQUENCY_100))
            {
                freq_100_ave[i] = freq_100_ave[i] + freq_100_int[index];
                count++;
            }
        }
        freq_100_ave[i] = freq_100_ave[i] / count;
    }
}

int count_peaks()
{
    int i;

    number_of_peaks = 0;

    for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
    {
        peaks[i] = 0;
        heights[i] = 0;
    }

    for (i=2; i<FREQUENCY_100-2; i++)
    {
        if ((freq_100_ave[i-2] <  freq_100_ave[i-1])
        &&  (freq_100_ave[i-1] <= freq_100_ave[i-0])
        &&  (freq_100_ave[i+2] <= freq_100_ave[i+1])
        &&  (freq_100_ave[i+1] <  freq_100_ave[i+0]))
        {
            if (number_of_peaks < MAX_NUMBER_OF_PEAKS)
            {
                peaks[number_of_peaks] = i;
                heights[number_of_peaks] = freq_100_ave[i];
            }
            number_of_peaks++;
        }
    }

    return number_of_peaks;
}

int count_troughs()
{
    int i;

    number_of_troughs = 0;

    for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
    {
        troughs[i] = 0;
        depths[i] = 0;
    }

    for (i=2; i<FREQUENCY_100-3; i++)
    {
        if (((freq_100_ave[i-2] > freq_100_ave[i-1]) && (freq_100_ave[i-1] >= freq_100_ave[i-0]) && (freq_100_ave[i+2] > freq_100_ave[i+1]) && (freq_100_ave[i+1] >= freq_100_ave[i+0]))
        ||  ((freq_100_ave[i-2] > freq_100_ave[i-1]) && (freq_100_ave[i-1] >= freq_100_ave[i-0]) && (freq_100_ave[i+3] > freq_100_ave[i+2]) && (freq_100_ave[i+2] >= freq_100_ave[i+1]))
        ||  ((freq_100_ave[i-2] > freq_100_ave[i-1]) && (freq_100_ave[i-1] >= freq_100_ave[i-0]) && (freq_100_ave[i+4] > freq_100_ave[i+3]) && (freq_100_ave[i+2] >= freq_100_ave[i+1]))
        ||  ((freq_100_ave[i-1] > 0) &&  (freq_100_ave[i-0] == 0)))

        {
            if (number_of_troughs < MAX_NUMBER_OF_PEAKS)
            {
                if (number_of_troughs > 0)
                {
                    if (troughs[number_of_troughs-1] == (i-1)) number_of_troughs--;
                }
                troughs[number_of_troughs] = i;
                depths[number_of_troughs] = freq_100_ave[i];
            }
            number_of_troughs++;
        }
    }

    return number_of_troughs;
}

void save_freq_100(char* outfile)
{
    FILE  *ofp;
    int i;

    if ( ( ofp = fopen( outfile, "w" ) ) != NULL ) 
    {
        fprintf(ofp, "Frequency\n");
        for (i=0; i<FREQUENCY_100; i++)
        {
            fprintf(ofp, "%d\n", freq_100[i]);
        }
        fclose(ofp);
    }
}

void save_freq_100_ave(char* outfile)
{
    FILE  *ofp;
    int i;

    if ( ( ofp = fopen( outfile, "w" ) ) != NULL ) 
    {
        fprintf(ofp, "AverageFrequency\n");
        for (i=0; i<FREQUENCY_100; i++)
        {
            fprintf(ofp, "%d\n", freq_100_ave[i]);
        }
        fclose(ofp);
    }
}

void clusterData(bool* g, int number_of_records, int clustering_distance)
{
    int i;
    int j;
    int k;
    int current_cluster;
    int new_cluster;

    printf("\n");
    printf("Clustering\n");
    printf("\n");

    for (i=0; i<number_of_records; i++)
    {
        if (allocated_cluster[i] == -1)  // not allocated
        {
            current_cluster = get_next_cluster();
            allocated_cluster[i] = current_cluster;
        }
        else
        {
            current_cluster = allocated_cluster[i];
        }

        for (j=i+1; j<number_of_records; j++)
        {
            if (distance(g, i, j) < clustering_distance)
            {
                if (allocated_cluster[j] == -1)  // not allocated
                {
                    allocated_cluster[j] = current_cluster;
                }
                else
                {
                    // merge clusters

                    new_cluster = allocated_cluster[j];

                    for (k=0; k<number_of_records; k++)
                    {
                        if (allocated_cluster[k] == current_cluster) allocated_cluster[k] = new_cluster;
                    }

                    current_cluster = new_cluster;
                }
            }
        }
    }
}

void setClusterSizes()
{
    int i;
    int current_cluster;

    for (i=0; i<MAX_RECORDS; i++)
    {
        current_cluster = allocated_cluster[i];

        if ((current_cluster >= 0) && (current_cluster < MAX_RECORDS))
        {
            cluster_sizes[current_cluster]++;
        }
    }
}

void reportClusters(FILE* rfp)
{
    int i;

    for (i=0; i<MAX_RECORDS; i++)
    {
        if (cluster_sizes[i] > 0)
        {
            printf("Cluster %d has %d members\n", i, cluster_sizes[i]);
            fprintf(rfp, "Cluster %d has %d members\n", i, cluster_sizes[i]);
        }
    }
}

int fitness(bool* genes)
{
    int i;
    int size = -1;

    for (i=0; i<MAX_TOKENS; i++)
    {
        if (genes[i])
        {
            if (FieldType[i] != TOKEN_UNUSED)
            {
                size++;  // add a penalty for having redundant genes being present
            }
        }
    }

    printf("\n");
    printf("--------------------------\n");
    printf("\n");
    get_freq_100(genes);
    get_freq_100_ave();
    number_of_peaks = count_peaks();
    printf("Peaks = %d\n", number_of_peaks);
    for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
    {
        if (peaks[i] != 0) printf("%d (%d)  ", peaks[i], heights[i]);
    }
    printf("\n");
    printf("\n");
    number_of_troughs = count_troughs();
    printf("Troughs = %d\n", number_of_troughs);
    for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
    {
        if (troughs[i] != 0) printf("%d (%d)  ", troughs[i], depths[i]);
    }
    printf("\n");
    printf("\n");

//  if (number_of_troughs >= 1)
//  if ((number_of_peaks >= 1) && (number_of_troughs >= 1) && (number_of_peaks < 4) && (number_of_troughs < 3))
    if ((number_of_peaks > 1) && (number_of_troughs >= 1))
    {
        if (troughs[0] >= 3)
        {
            //printf("Fitness = %d\n\n", troughs[0]);
            //return troughs[0];
            printf("Fitness = %d\n\n", troughs[0] + size);
            return troughs[0] + size;
            //printf("Fitness = %d\n\n", depths[0] + size);
            //return depths[0] + size;
        }
        else 
        {
            printf("Fitness = 1000000\n\n");
            return 1000000;
        }
    }
    else
    {
        printf("Fitness = 1000000\n\n");
        return 1000000;
    }
}

void initPopulation()
{
    int i;
    int j;

    for (i=0; i<MAX_POPULATION; i++)
    {
        population[i].fitness = 1000;

        for (j=0; j<MAX_TOKENS; j++)
        {
            if (g[j])
            {
                if (random() < 0.5)
                {
                    population[i].genes[j] = true;
                }
                else
                {
                    population[i].genes[j] = false;
                }
            }
            else
            {
                population[i].genes[j] = false;
            }
        }

        population[i].fitness = fitness(population[i].genes);
    }
}

int select()
{
    int i = MAX_POPULATION;

    while (i >= MAX_POPULATION)
    {
        i = (int)(random() * MAX_POPULATION);
    }

    return i;
}

void crossover(int a, int b)
{
    int i;

    for (i=0; i<MAX_TOKENS; i++)
    {
        if (random() < 0.5)
        {
            child.genes[i] = population[a].genes[i];
        }
        else
        {
            child.genes[i] = population[b].genes[i];
        }
    }
}

void mutation(int number_of_fields)
{
    int index;

    index = (int)(random() * number_of_fields);

    if (random() < 0.5)
    {
        if (g[index])
        {
            child.genes[index] = !child.genes[index];
        }
        else
        {
            child.genes[index] = false;
        }
    }
}

void replace()
{
    int i;
    int j;

    child.fitness = fitness(child.genes);

    i = select();

    //if (i >= MAX_POPULATION) i = 0;

    if (child.fitness < population[i].fitness)  // replace population member with fitter child
    {
        for (j=0; j<MAX_TOKENS; j++)
        {
            population[i].genes[j] = child.genes[j];
        }

        population[i].fitness = child.fitness;
    }
}

int getBest()
{
    int i;
    int best = 0;
    int best_value = 1000;

    for (i=0; i<MAX_POPULATION; i++)
    {
        if (population[i].fitness < best_value)
        {
            best = i;
            best_value = population[i].fitness;
        }
    }

    return best;
}

void saveClusters(char* file, int number_of_records)
{
    char cstfile[MAX_STRING_SIZE];
    FILE* cfp;
    int i;
    int j;
    int k;

    for (i=0; i<number_of_records; i++)
    {
        if (cluster_sizes[i] > 0)
        {
            sprintf(cstfile, "%s_%d.txt", file, i);

            if ( ( cfp = fopen( cstfile, "w" ) ) != NULL ) 
            {
                for (j=0; j<number_of_records; j++)
                {
                    if (allocated_cluster[j] == i)
                    {
                        for (k=0; k<MAX_TOKENS; k++)
                        {
                            if (FieldType[k] != TOKEN_UNUSED)
                            {
                                if (k == 0)
                                {
                                    fprintf(cfp, "%s", Records[j][k].text);
                                }
                                else
                                {
                                    fprintf(cfp, ",%s", Records[j][k].text);
                                }
                            }
                        }
                        fprintf(cfp, "\n");
                    }
                }

                fclose(cfp);
            }
            else
            {
                printf("\n");
                printf("\n  ABORTING >> Output File %s not openned.  ", cstfile);
                printf("\n");
            }
        }
    }
}

char attribs[20][MAX_STRING_SIZE];
int  next_attribute;

void addAttribute(char* attribute)
{
    int i;
    bool attribute_found = false;

    for (i=0; i<next_attribute; i++)
    {
        if (strcmp(attribs[i], attribute) == 0) attribute_found = true;
    }

    if (!attribute_found)
    {
        strcpy(attribs[next_attribute], attribute);
        next_attribute++;
    }
}

void analyseClusters(FILE* rfp, bool* g)
{
    int i;
    int j;
    int k;
    bool  attribute_found;
    float min;
    float max;
    int count;

    for (i=0; i<number_of_points; i++)
    {
        if (cluster_sizes[i] > 2)
        {
            fprintf(rfp, "Cluster %d has %d members\n", i, cluster_sizes[i]);

            for (j=0; j<MAX_TOKENS; j++)
            {
                next_attribute = 0;

                if (g[j])
                {
                    switch (FieldType[j])
                    {
                    case TOKEN_UNUSED:
                        break;

                    case TOKEN_LINEAR_INTEGER:
                    case TOKEN_LINEAR_FLOAT:
                        max = MinFieldType[j];
                        min = MaxFieldType[j];

                        for (k=0; k<number_of_points; k++)
                        {
                            if (i == allocated_cluster[k])
                            {
                                if (max < Records[k][j].value) max = Records[k][j].value;
                                if (min > Records[k][j].value) min = Records[k][j].value;
                            }
                        }
                        fprintf(rfp, "feature = %d, min = %f, max = %f\n\n", j, min, max);
                        break;

                    case TOKEN_NOMINAL:
                        next_attribute = 0;
                        count = 0;

                        for (k=0; k<number_of_points; k++)
                        {
                            if (i == allocated_cluster[k])
                            {
                                addAttribute(Records[k][j].text);
                            }
                        }

                        fprintf(rfp, "feature = %d, ", j);
                        for (k=0; k<next_attribute; k++)
                        {
                            fprintf(rfp, "%s, ", attribs[k]);
                        }
                        fprintf(rfp, "\n\n");
                        break;

                    default:
                        break;
                    }
                }
            }
        }
    }
}

void reduceOutliers(bool* g, int merge_distance)
{
    int i;
    int j;
    int cluster_i;
    int cluster_j;
    int nearest_cluster;
    int cluster_distance;
    int nearest_distance;
    int count = 0;
    int outliers = 0;

    for (i=0; i<number_of_points; i++)
    {
        nearest_distance = 100;
        cluster_i = allocated_cluster[i];

        if (cluster_sizes[cluster_i] <= 3)
        {
            outliers++;

            // Can we merge it to a nearby cluster?

            for (j=0; j<number_of_points; j++)
            {
                if (i != j)
                {
                    cluster_j = allocated_cluster[j];

                    if (cluster_sizes[cluster_j] > 3)
                    {
                        cluster_distance = distance(g, i, j);
                        //printf("cluster_distance = %d\n", cluster_distance);

                        if (cluster_distance < nearest_distance)
                        {
                            nearest_distance = cluster_distance;
                            nearest_cluster  = cluster_j;
                        }
                    }
                }
            }

            if (nearest_distance < merge_distance)
            {
                allocated_cluster[i] = nearest_cluster;
                cluster_sizes[cluster_i]--;
                cluster_sizes[nearest_cluster]++;
                count++;
            }
        }
    }

    //printf("%d outliers merged = %d\n", outliers, count);
    //getchar();
}

void displayGene(bool* g, int number_of_features)
{
    int i;

    printf("Genes = ");
    for (i=0; i<number_of_features; i++)
    {
        if (g[i])
        {
            printf("T ");
        }
        else
        {
            printf("F ");
        }
    }
    printf("\n\n");
}

void clusterFile(char* file, int ignore)
{
    int  number_of_records;
    int  number_of_fields;
    int  number_of_peaks;
    int  number_of_troughs;
    int  clustering_distance;
    int  i;
    int  best;
    char infile [MAX_STRING_SIZE];
    char rptfile[MAX_STRING_SIZE];
    FILE* rfp;

    next_cluster = -1;

    init_g();

    if ((ignore >= 0) && (ignore < MAX_TOKENS))
    {
        g[ignore] = false;
    }

    sprintf(infile, "%s.txt", file);
    sprintf(rptfile, "%s_report.txt", file);

    if ( ( rfp = fopen( rptfile, "w" ) ) != NULL )
    {
        fprintf(rfp, "Clustering '%s'\n\n", infile);

        initFieldType();
        setFieldType(infile, false);
        setMinMax(infile, false);
        total_number_of_records = readNumberOfRecords(infile, false);
        number_of_records = readSampleData(infile, false);
//      number_of_records = readData(infile, false);
        number_of_points  = number_of_records;
        fprintf(rfp, "%d records read\n", number_of_records);

        number_of_fields  = printFieldType();
        number_of_features = number_of_fields;
        fprintf(rfp, "Each record contains %d fields\n", number_of_fields);
        fprintf(rfp, "\n");

        //getchar();

        initPopulation();
        for (i=0; i<50000; i++)
        {
            crossover(select(), select());
            mutation(number_of_fields);
            replace();
        }

        printf("\n");
        printf("--------------------------\n");
        printf("\n");

        best = getBest();

        printf("\n");
        printf("Best member of the population = %d\n", best);
        printf("\n");

        displayGene(population[best].genes, number_of_fields);
        //getchar();

        printf("\n");
        printf("--------------------------\n");
        printf("\n");
        get_freq_100(population[best].genes);
        get_freq_100_ave();
        save_freq_100("freq100.csv");
        save_freq_100_ave("freq100_ave.csv");
        number_of_peaks = count_peaks();
        printf("Peaks = %d\n", number_of_peaks);
        for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
        {
            if (peaks[i] != 0) printf("%d (%d)  ", peaks[i], heights[i]);
        }
        printf("\n");
        printf("\n");
        number_of_troughs = count_troughs();
        printf("Troughs = %d\n", number_of_troughs);
        for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
        {
            if (troughs[i] != 0) printf("%d (%d)  ", troughs[i], depths[i]);
        }

        printf("\n\n");

        if ((number_of_peaks >= 1) && (number_of_troughs >= 1))
        {
            clustering_distance = troughs[0] /2;
            if (clustering_distance < 3) clustering_distance = 3;

            printf("\n");
            printf("Clustering has been found\n");
            fprintf(rfp, "Clustering has been found\n");
            printf("The clustering distance used to identify clusters = %d\n", clustering_distance);
            fprintf(rfp, "The clustering distance used to identify clusters = %d\n", clustering_distance);
            for (i=0; i<number_of_fields; i++)
            {
                if (population[best].genes[i])
                {
                    printf("Clustering using field %d\n", i);
                    fprintf(rfp, "Clustering using field %d\n", i);
                }
            }
            initAllocatedCluster();
            initClusterSizes();
            // Need to read in the real data!!!!
            number_of_records = readData(infile, false);
            number_of_points  = number_of_records;
            clusterData(population[best].genes, number_of_records, clustering_distance);
            setClusterSizes();
            reduceOutliers(population[best].genes, 10);
            reportClusters(rfp);
            analyseClusters(rfp, population[best].genes);
            saveClusters(file, number_of_records);
            printf("\n");
            fprintf(rfp, "\n");
        }
        else
        {
            printf("\n");
            fprintf(rfp, "\n");
            printf("Clustering has NOT been found\n");
            fprintf(rfp, "Clustering has NOT been found\n");
            printf("\n");
        }

        fclose(rfp);
    }
}

int _tmain(int argc, _TCHAR* argv[])
{

    random.seed(9);

    //clusterFile("Iris", 4);
    //clusterFile("Iris_0", 4);
    //clusterFile("Iris_3", 4);

    //clusterFile("Breast Cancer Wisconsin", 10);

    //clusterFile("Dermatology", 34);
    //clusterFile("Dermatology_0", 34);
    //clusterFile("Dermatology_5", 34);
    //clusterFile("Dermatology_7", 34);
    //clusterFile("Dermatology_13", 34);

    //clusterFile("Seeds", 7);
    //clusterFile("Seeds_0", 7);
    //clusterFile("Seeds_2", 7);
    //clusterFile("Seeds_3", 7);

    clusterFile("Mushroom", 0);

    //clusterFile("Hepatitis Domain", 0);

    printf("\n");
    printf("Press any Key to exit> ");
    getchar();
    printf("\n");

    return 0;
}

/*

    init_g();
    //g[4] = false;

    initFieldType();
    //setFieldType("Iris.txt", false);
    //setMinMax("Iris.txt", false);
    //number_of_records = readData("Iris.txt", false);
    setFieldType("Mushroom.txt", true);
    setMinMax("Mushroom.txt", true);
    number_of_records = readData("Mushroom.txt", true);
    number_of_points  = number_of_records;
    number_of_fields  = printFieldType();

    initPopulation();
    for (i=0; i<200; i++)
    {
        crossover(select(), select());
        mutation(number_of_fields);
        replace();
    }

    printf("\n");
    printf("--------------------------\n");
    printf("\n");

    best = getBest();

    printf("\n");
    printf("Best member of the population = %d\n", best);
    printf("\n");

    printf("\n");
    printf("--------------------------\n");
    printf("\n");
    get_freq_100(population[best].genes);
    get_freq_100_ave();
    printf("Peaks=%d\n", count_peaks());
    for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
    {
        if (peaks[i] != 0) printf("%d (%d)  ", peaks[i], heights[i]);
    }
    printf("\n");
    number_of_peaks = count_peaks();
    if (2 == number_of_peaks)
    {
        printf("\n");
        //printf("Initial clustering distance = %f\n", (double)peaks[0] * max_distance() / (2.0 * 100.0));
    }
    number_of_troughs = count_troughs();
    printf("Troughs=%d\n", number_of_troughs);
    for (i=0; i<MAX_NUMBER_OF_PEAKS; i++)
    {
        if (troughs[i] != 0) printf("%d (%d)  ", troughs[i], depths[i]);
    }

    printf("\n\n");
    //save_freq_100("freq100.csv");
    //save_freq_100_ave("freq100_ave.csv");

if ((number_of_peaks >= 1) && (number_of_troughs >= 1))
{
    clustering_distance = troughs[0] / 2;
    printf("\n");
    printf("Clustering has been found\n");
    printf("The clustering distance used to identify clusters = %d\n", clustering_distance);
    for (i=0; i<number_of_fields; i++)
    {
        if (population[best].genes[i])
        {
            printf("Clustering using field %d\n", i);
        }
    }
    initAllocatedCluster();
    initClusterSizes();
    clusterData(population[best].genes, number_of_records, clustering_distance);
    reportClusters();
    printf("\n");
}
else
{
    printf("\n");
    printf("Clustering has NOT been found\n");
    printf("\n");
}
*/

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