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Add secp256k1_fe_add_int function

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This commit is contained in:
Pieter Wuille
2023-03-01 16:19:35 -05:00
parent 09b1d466db
commit b081f7e4cb
5 changed files with 43 additions and 3 deletions
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14
src/field_5x52_impl.h
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@@ -425,6 +425,20 @@ SECP256K1_INLINE static void secp256k1_fe_mul_int(secp256k1_fe *r, int a) {
#endif
}
SECP256K1_INLINE static void secp256k1_fe_add_int(secp256k1_fe *r, int a) {
#ifdef VERIFY
secp256k1_fe_verify(r);
VERIFY_CHECK(a >= 0);
VERIFY_CHECK(a <= 0x7FFF);
#endif
r->n[0] += a;
#ifdef VERIFY
r->magnitude += 1;
r->normalized = 0;
secp256k1_fe_verify(r);
#endif
}
SECP256K1_INLINE static void secp256k1_fe_add(secp256k1_fe *r, const secp256k1_fe *a) {
#ifdef VERIFY
secp256k1_fe_verify(a);