Function rand_float

compute/example/black_scholes.cpp:23–28

return a random float between lo and hi

// return a random float between lo and hi
float rand_float(float lo, float hi)
{
    float x = (float) std::rand() / (float) RAND_MAX;

    return (1.0f - x) * lo + x * hi;
}

// this example demostrates a black-scholes option pricing kernel.
int main()