Sine lookup-table generated at compile time.

sintable.cpp

#include <iostream>
#include <cmath>

template<int size>
struct SinTable {

    constexpr SinTable() : values() {
        for (int i = 0; i < size; i++) {
            double angle = (M_PI*2)*(((double)i)/size);

            values[i] = sin(angle);
        }
    }

    double values[size];
};

static const SinTable<4096> table;

int main(int argc, char *argv[]) {
    for (const auto v : table.values) {
        std::cout << v << '\n';
    }
    return 0;
}