lambdaworks-math 0.10.0

Modular math library for cryptography
Documentation 
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#pragma once
#include "util.h.metal"

template<typename Fp>
[[kernel]] void calc_twiddles(
    device Fp* result  [[ buffer(0) ]],
    constant Fp& _omega [[ buffer(1) ]],
    uint index [[ thread_position_in_grid ]]
)
{
    Fp omega = _omega;
    result[index] = omega.pow(index);
}

template<typename Fp>
[[kernel]]
void calc_twiddles_inv(
    device Fp* result  [[ buffer(0) ]],
    constant Fp& _omega [[ buffer(1) ]],
    uint index [[ thread_position_in_grid ]]
)
{
    Fp omega = _omega;
    result[index] = omega.pow(index).inverse();
}

template<typename Fp>
[[kernel]]
void calc_twiddles_bitrev(
    device Fp* result  [[ buffer(0) ]],
    constant Fp& _omega [[ buffer(1) ]],
    uint index [[ thread_position_in_grid ]],
    uint size [[ threads_per_grid ]]
)
{
    Fp omega = _omega;
    result[index] = omega.pow(reverse_index(index, size));
}

template<typename Fp>
[[kernel]]
void calc_twiddles_bitrev_inv(
    device Fp* result  [[ buffer(0) ]],
    constant Fp& _omega [[ buffer(1) ]],
    uint index [[ thread_position_in_grid ]],
    uint size [[ threads_per_grid ]]
)
{
    Fp omega = _omega;
    result[index] =  omega.pow(reverse_index(index, size)).inverse();
}