genann/example3.c

#include <stdio.h>
#include <stdlib.h>
#include "genann.h"

const char *save_name = "example/xor.ann";

int main(int argc, char *argv[])
{
    printf("GENANN example 3.\n");
    printf("Load a saved ANN to solve the XOR function.\n");


    FILE *saved = fopen(save_name, "r");
    if (!saved) {
        printf("Couldn't open file: %s\n", save_name);
        exit(1);
    }

    genann *ann = genann_read(saved);
    fclose(saved);

    if (!ann) {
        printf("Error loading ANN from file: %s.", save_name);
        exit(1);
    }


    /* Input data for the XOR function. */
    const double input[4][2] = {{0, 0}, {0, 1}, {1, 0}, {1, 1}};

    /* Run the network and see what it predicts. */
    printf("Output for [%1.f, %1.f] is %1.f.\n", input[0][0], input[0][1], *genann_run(ann, input[0]));
    printf("Output for [%1.f, %1.f] is %1.f.\n", input[1][0], input[1][1], *genann_run(ann, input[1]));
    printf("Output for [%1.f, %1.f] is %1.f.\n", input[2][0], input[2][1], *genann_run(ann, input[2]));
    printf("Output for [%1.f, %1.f] is %1.f.\n", input[3][0], input[3][1], *genann_run(ann, input[3]));

    genann_free(ann);
    return 0;
}