Function ceil_impl_double

src/fl/math/math.cpp.hpp:70–76

Standalone ceil implementation for double

// Standalone ceil implementation for double
double ceil_impl_double(double value) {
    if (value <= 0.0) {
        return static_cast<double>(static_cast<long long>(value));
    }
    long long i = static_cast<long long>(value);
    return static_cast<double>(i + (value != static_cast<double>(i) ? 1 : 0));
}

// Standalone exp implementation using Taylor series
// e^x ≈ 1 + x + x²/2! + x³/3! + x⁴/4! + ...