1  /*****************************************************************************************************
 2   * Copyright (c) 2013, 2014, 2017, 2021 Pieter Wuille, Andrew Poelstra, Jonas Nick, Russell O'Connor *
 3   * Distributed under the MIT software license, see the accompanying                                  *
 4   * file COPYING or https://www.opensource.org/licenses/mit-license.php.                              *
 5   *****************************************************************************************************/
 6  
 7  #ifndef SECP256K1_PRECOMPUTED_ECMULT_H
 8  #define SECP256K1_PRECOMPUTED_ECMULT_H
 9  
10  #ifdef __cplusplus
11  extern "C" {
12  #endif
13  
14  #include "ecmult.h"
15  #include "group.h"
16  #include "util_local_visibility.h"
17  
18  #if defined(EXHAUSTIVE_TEST_ORDER)
19  #    if EXHAUSTIVE_TEST_ORDER == 7
20  #        define WINDOW_G 3
21  #    elif EXHAUSTIVE_TEST_ORDER == 13
22  #        define WINDOW_G 4
23  #    elif EXHAUSTIVE_TEST_ORDER == 199
24  #        define WINDOW_G 8
25  #    else
26  #        error No known generator for the specified exhaustive test group order.
27  #    endif
28  static secp256k1_ge_storage secp256k1_pre_g[ECMULT_TABLE_SIZE(WINDOW_G)];
29  static secp256k1_ge_storage secp256k1_pre_g_128[ECMULT_TABLE_SIZE(WINDOW_G)];
30  #else /* !defined(EXHAUSTIVE_TEST_ORDER) */
31  #    define WINDOW_G ECMULT_WINDOW_SIZE
32  SECP256K1_LOCAL_VAR const secp256k1_ge_storage secp256k1_pre_g[ECMULT_TABLE_SIZE(WINDOW_G)];
33  SECP256K1_LOCAL_VAR const secp256k1_ge_storage secp256k1_pre_g_128[ECMULT_TABLE_SIZE(WINDOW_G)];
34  #endif /* defined(EXHAUSTIVE_TEST_ORDER) */
35  
36  #ifdef __cplusplus
37  }
38  #endif
39  
40  #endif /* SECP256K1_PRECOMPUTED_ECMULT_H */