/***********************************************************************
 * Copyright (c) 2020 Peter Dettman                                    *
 * Distributed under the MIT software license, see the accompanying    *
 * file COPYING or https://www.opensource.org/licenses/mit-license.php.*
 **********************************************************************/

#ifndef SECP256K1_MODINV32_H
#define SECP256K1_MODINV32_H

#if defined HAVE_CONFIG_H
#include "libsecp256k1-config.h"
#endif

#include "util.h"

typedef struct {
    int32_t v[9];
} secp256k1_modinv32_signed30;

typedef struct {
    /* The modulus in signed30 notation. */
    secp256k1_modinv32_signed30 modulus;

    /* modulus^{-1} mod 2^30 */
    uint32_t modulus_inv30;
} secp256k1_modinv32_modinfo;

static void secp256k1_modinv32(secp256k1_modinv32_signed30 *x, const secp256k1_modinv32_modinfo *modinfo);
static void secp256k1_modinv32_var(secp256k1_modinv32_signed30 *x, const secp256k1_modinv32_modinfo *modinfo);

#endif /* SECP256K1_MODINV32_H */