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c-kzg-4844
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Non-contiguous array in min-src

This commit is contained in:
Ramana Kumar 2022-10-01 17:07:41 +01:00
parent 4fdabd2b4e
commit c56461e3a5
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GPG Key ID: ED471C788B900433
2 changed files with 3 additions and 4 deletions
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5
min-src/c_kzg_4844.c
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@ -833,15 +833,14 @@ void bytes_to_bls_field(BLSFieldElement *out, const uint8_t bytes[32]) {
/** /**
* Compute linear combinations of a sequence of vectors with some scalars * Compute linear combinations of a sequence of vectors with some scalars
*/ */
void vector_lincomb(fr_t out[], const fr_t *vectors, const fr_t *scalars, uint64_t n, uint64_t m) { void vector_lincomb(fr_t out[], const fr_t *vectors[], const fr_t *scalars, uint64_t n, uint64_t m) {
fr_t (*vectors_ptr)[n][m] = (fr_t (*)[n][m]) vectors;
fr_t tmp; fr_t tmp;
uint64_t i, j; uint64_t i, j;
for (j = 0; j < m; j++) for (j = 0; j < m; j++)
out[j] = fr_zero; out[j] = fr_zero;
for (i = 0; i < n; i++) { for (i = 0; i < n; i++) {
for (j = 0; j < m; j++) { for (j = 0; j < m; j++) {
fr_mul(&tmp, &scalars[i], &((*vectors_ptr)[i][j])); fr_mul(&tmp, &scalars[i], &vectors[i][j]);
fr_add(&out[j], &out[j], &tmp); fr_add(&out[j], &out[j], &tmp);
} }
} }

2
min-src/c_kzg_4844.h
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@ -106,7 +106,7 @@ void free_trusted_setup(KZGSettings *s);
void bytes_to_bls_field(BLSFieldElement *out, const uint8_t bytes[32]); void bytes_to_bls_field(BLSFieldElement *out, const uint8_t bytes[32]);
void vector_lincomb(BLSFieldElement out[], const BLSFieldElement *vectors, const BLSFieldElement *scalars, uint64_t num_vectors, uint64_t vector_len); void vector_lincomb(BLSFieldElement out[], const BLSFieldElement *vectors[], const BLSFieldElement *scalars, uint64_t num_vectors, uint64_t vector_len);
void g1_lincomb(KZGCommitment *out, const KZGCommitment points[], const BLSFieldElement scalars[], uint64_t num_points); void g1_lincomb(KZGCommitment *out, const KZGCommitment points[], const BLSFieldElement scalars[], uint64_t num_points);