Function normalize

examples/graphics/fractal.cpp:61–65

}

array normalize(array a) {
    float mx = af::max<float>(a);
    float mn = af::min<float>(a);
    return (a - mn) / (mx - mn);
}

int main(int argc, char **argv) {
    int device   = argc > 1 ? atoi(argv[1]) : 0;