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Bitcoin Core
22.99.0
P2P Digital Currency
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Go to the documentation of this file.
10 #include "../include/secp256k1.h"
17 int main(
int argc,
char **argv) {
18 const char outfile[] =
"src/ecmult_gen_static_prec_table.h";
25 fp =
fopen(outfile,
"w");
27 fprintf(stderr,
"Could not open %s for writing!\n", outfile);
31 fprintf(fp,
"/* This file was automatically generated by gen_ecmult_gen_static_prec_table. */\n");
32 fprintf(fp,
"/* See ecmult_gen_impl.h for details about the contents of this file. */\n");
33 fprintf(fp,
"#ifndef SECP256K1_ECMULT_GEN_STATIC_PREC_TABLE_H\n");
34 fprintf(fp,
"#define SECP256K1_ECMULT_GEN_STATIC_PREC_TABLE_H\n");
36 fprintf(fp,
"#include \"group.h\"\n");
38 fprintf(fp,
"#define S(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) "
39 "SECP256K1_GE_STORAGE_CONST(0x##a##u,0x##b##u,0x##c##u,0x##d##u,0x##e##u,0x##f##u,0x##g##u,"
40 "0x##h##u,0x##i##u,0x##j##u,0x##k##u,0x##l##u,0x##m##u,0x##n##u,0x##o##u,0x##p##u)\n");
42 fprintf(fp,
"#ifdef EXHAUSTIVE_TEST_ORDER\n");
43 fprintf(fp,
"static secp256k1_ge_storage secp256k1_ecmult_gen_prec_table[ECMULT_GEN_PREC_N(ECMULT_GEN_PREC_BITS)][ECMULT_GEN_PREC_G(ECMULT_GEN_PREC_BITS)];\n");
44 fprintf(fp,
"#else\n");
45 fprintf(fp,
"static const secp256k1_ge_storage secp256k1_ecmult_gen_prec_table[ECMULT_GEN_PREC_N(ECMULT_GEN_PREC_BITS)][ECMULT_GEN_PREC_G(ECMULT_GEN_PREC_BITS)] = {\n");
47 for (bits = 2; bits <= 8; bits *= 2) {
55 fprintf(fp,
"#if ECMULT_GEN_PREC_BITS == %d\n", bits);
56 for(outer = 0; outer != n; outer++) {
58 for(inner = 0; inner !=
g; inner++) {
59 fprintf(fp,
"S(%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
60 ",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
",%"PRIx32
")",
72 fprintf(fp,
"#endif\n");
77 fprintf(fp,
"#endif /* EXHAUSTIVE_TEST_ORDER */\n");
78 fprintf(fp,
"#undef SC\n");
79 fprintf(fp,
"#endif /* SECP256K1_ECMULT_GEN_STATIC_PREC_TABLE_H */\n");
FILE * fopen(const fs::path &p, const char *mode)
static void secp256k1_ecmult_gen_create_prec_table(secp256k1_ge_storage *table, const secp256k1_ge *gen, int bits)
static const secp256k1_ge secp256k1_ge_const_g
static SECP256K1_INLINE void * checked_malloc(const secp256k1_callback *cb, size_t size)
int main(int argc, char **argv)
#define SECP256K1_GE_STORAGE_CONST_GET(t)
#define ECMULT_GEN_PREC_N(bits)
#define ECMULT_GEN_PREC_G(bits)
static const secp256k1_callback default_error_callback