Curve question

[darcys22]

is MCL_BN_SNARK1 the same as alt_bn128 used in ethereum precompiles?

https://gurukamath.github.io/execution-specs/autoapi/ethereum/crypto/alt_bn128/index.html

[herumi]

The pairing is the same.
cat t.cpp

#include <mcl/bn.hpp>

int main()
{
    using namespace mcl::bn;
    initPairing(mcl::BN_SNARK1);
    printf("p=%s\n", Fp::getOp().mp.getStr().c_str());
}

g++ t.cpp -I include/ lib/libmcl.a && ./a.out
p=21888242871839275222246405745257275088696311157297823662689037894645226208583

[darcys22]

Thank you!