utils.cpp

#include "utils.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "global.h"

/**
 * @brief helper function used to print
 * @return void
 */
void logger(FILE *file, char *message)
{
    if (LOGGING) {
        fprintf(file,"%s",message);
        fflush(file);
    }
}

int process_config_line(char *line)
{
	// Ignore comments.
	if (line[0] == CONFIG_COMMENT_CHAR || strncmp(line,"\n",1)==0)
		return 0;

	// Extract config parameter name and value.
	char name[100];
	char value[50];
	int items = sscanf(line, "%s %s\n", name, value);

	// Line wasn't as expected.
	if (items != 2)
		return 1;

	// Process this line.
	if (strcmp(name, "CUE_SEED") == 0) {
        CUE_SEED = atoi(value);
	} else if (strcmp(name, "NUM_RESERVOIRS") == 0) {
	    NUM_RESERVOIRS = atoi(value);
	} else if (strcmp(name, "NUM_SENSORS") == 0) {
	    NUM_SENSORS = atoi(value);
	} else if (strcmp(name, "NUM_MOTORS") == 0) {
	    NUM_MOTORS = atoi(value);
	} else if (strcmp(name, "MAX_AXON_LENGTH") == 0) {
        MAX_AXON_LENGTH = atoi(value);
	} else if (strcmp(name, "MAX_SYNAPSES") == 0) {
        MAX_SYNAPSES = atoi(value);
	} else if (strcmp(name, "MAX_WEIGHT") == 0) {
        MAX_WEIGHT = atoi(value);
	} else if (strcmp(name, "MAX_CUE") == 0) {
        MAX_CUE = atoi(value);
	}
	else if (strcmp(name, "SEARCH_RADIUS") == 0) {
        SEARCH_RADIUS = atoi(value);
	}
	else if (strcmp(name, "ACTION_POTENTIAL") == 0) {
        ACTION_POTENTIAL = atoi(value);
	}
	else if (strcmp(name, "THRESHOLD") == 0) {
        THRESHOLD = atoi(value);
	}
	else if (strcmp(name, "INITIAL_SYNAPSE_WEIGHT") == 0) {
        INITIAL_SYNAPSE_WEIGHT = atoi(value);
	}
	else if (strcmp(name, "CUE_CHANGE") == 0) {
        CUE_CHANGE = (float)atof(value);
	}
	else if (strcmp(name, "WEIGHT_CHANGE") == 0) {
        WEIGHT_CHANGE = (float)atof(value);
	}
	else if (strcmp(name, "LIFESPAN_INCREASE") == 0) {
        LIFESPAN_INCREASE = (float)atof(value);
	}
	else if (strcmp(name, "LIFESPAN_DECREASE") == 0) {
        LIFESPAN_DECREASE = (float)atof(value);
	}
	else {
		// Ignore unknown config parameters.
	}

	return 0;
}

/**
 * @brief Reads the config file to compare the values later on
 * @return If successful, return 0 if found, -1 if not found
 */
int read_config(char *config_file)
{
	int error_occurred = 0;

	// Open file for reading.
	FILE *file = fopen(config_file, "r");
	if (file == NULL)
		error_occurred = 1;

	// Process the config file.
	while (!error_occurred && !feof(file)) {
		// Read a line from the file.
		char line[150];
		char *l = fgets(line, sizeof line, file);

		// Process the line.
		if (l == line)
			error_occurred = process_config_line(line);
		else if (!feof(file))
			error_occurred = 1;
	}

	return error_occurred ? -1 : 0;
}

int readMNIST(char* image_filename, char* label_filename, int num, int*** images, int* labels) {
    char buffimg[150];
    char buff[num + 1];
    int imageNum = 0;
    int line = 0;
    // Load labels from file.
    FILE* label_file = fopen(label_filename, "r");
    if (label_file == NULL) {
        printf ("Error opening file: %s\n", label_filename);
        return -1;
    }
    fgets(buff, num + 1, label_file);
    for (int i = 0; i < strlen(buff); i++) {
        char temp = buff[i];
        labels[i] = temp - '0';
    }
    printf("Labels finished loading.\n");
    // Load image data from file.
    imageNum = 0;
    line = 0;
    FILE* image_file = fopen(image_filename, "r");
    if (image_file == NULL) {
        printf ("Error opening file: %s\n", image_filename);
        return -1;
    }
    while ((fgets(buffimg, 150, image_file) != NULL) && (imageNum < num)) {
        if (strcmp(buffimg, "\n") == 0) {
            line = 0;
            imageNum += 1;
        }
        else {
            images[imageNum][line][0] = atoi(strtok(buffimg, "\t"));
            for (int i = 1; i < 28; i++) {
    //            sscanf(buff, "%d\t", &images[imageNum][line][i]);
                images[imageNum][line][i] = atoi(strtok(NULL, "\t"));
            }
            line += 1;
        }
    }
    printf("Images finished loading.\n");
    return 0;
}