Function getFloatNegative11

src/backend/oneapi/kernel/random_engine_write.hpp:30–38

Generates rationals in (-1, 1]

// Generates rationals in (-1, 1]
static float getFloatNegative11(uint num) {
    // Conversion to floats adapted from Random123
    constexpr float factor =
        ((1.0) /
         (static_cast<double>(std::numeric_limits<int>::max()) + (1.0)));
    constexpr float half_factor = ((0.5f) * factor);

    return sycl::fma(static_cast<float>(num), factor, half_factor);
}

// Generates rationals in (0, 1]
static double getDouble01(uint num1, uint num2) {