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Abstract out verify logic for fe_set_int

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Pieter Wuille
2022-01-28 18:04:15 -05:00
parent 864f9db491
commit 19a2bfeeea
4 changed files with 16 additions and 16 deletions
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7
src/field.h
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@@ -80,6 +80,7 @@ static const secp256k1_fe secp256k1_const_beta = SECP256K1_FE_CONST(
# define secp256k1_fe_normalize_var secp256k1_fe_impl_normalize_var
# define secp256k1_fe_normalizes_to_zero secp256k1_fe_impl_normalizes_to_zero
# define secp256k1_fe_normalizes_to_zero_var secp256k1_fe_impl_normalizes_to_zero_var
# define secp256k1_fe_set_int secp256k1_fe_impl_set_int
#endif /* !defined(VERIFY) */
/** Normalize a field element.
@@ -115,8 +116,10 @@ static int secp256k1_fe_normalizes_to_zero(const secp256k1_fe *r);
*/
static int secp256k1_fe_normalizes_to_zero_var(const secp256k1_fe *r);
/** Set a field element equal to a small (not greater than 0x7FFF), non-negative integer.
* Resulting field element is normalized; it has magnitude 0 if a == 0, and magnitude 1 otherwise.
/** Set a field element to an integer in range [0,0x7FFF].
*
* On input, r does not need to be initialized, a must be in [0,0x7FFF].
* On output, r represents value a, is normalized and has magnitude (a!=0).
*/
static void secp256k1_fe_set_int(secp256k1_fe *r, int a);