frost/secp256k1-zkp
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Switch to C89 comments in prep for making the whole codebase C89 compatible.

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This should be whitespace/comment only changes and should produce the same
object code.
This commit is contained in:
Gregory Maxwell
2014-11-15 15:28:10 +00:00
parent 21288f2d05
commit 71712b27e5
38 changed files with 802 additions and 716 deletions
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29
src/num_gmp_impl.h
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@@ -1,6 +1,8 @@
// Copyright (c) 2013 Pieter Wuille
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
/**********************************************************************
* Copyright (c) 2013, 2014 Pieter Wuille *
* Distributed under the MIT software license, see the accompanying *
* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/
#ifndef _SECP256K1_NUM_REPR_IMPL_H_
#define _SECP256K1_NUM_REPR_IMPL_H_
@@ -119,15 +121,16 @@ static void secp256k1_num_mod_inverse(secp256k1_num_t *r, const secp256k1_num_t
secp256k1_num_sanity(a);
secp256k1_num_sanity(m);
// mpn_gcdext computes: (G,S) = gcdext(U,V), where
// * G = gcd(U,V)
// * G = U*S + V*T
// * U has equal or more limbs than V, and V has no padding
// If we set U to be (a padded version of) a, and V = m:
// G = a*S + m*T
// G = a*S mod m
// Assuming G=1:
// S = 1/a mod m
/** mpn_gcdext computes: (G,S) = gcdext(U,V), where
* * G = gcd(U,V)
* * G = U*S + V*T
* * U has equal or more limbs than V, and V has no padding
* If we set U to be (a padded version of) a, and V = m:
* G = a*S + m*T
* G = a*S mod m
* Assuming G=1:
* S = 1/a mod m
*/
VERIFY_CHECK(m->limbs <= NUM_LIMBS);
VERIFY_CHECK(m->data[m->limbs-1] != 0);
mp_limb_t g[NUM_LIMBS+1];
@@ -180,7 +183,7 @@ static int secp256k1_num_eq(const secp256k1_num_t *a, const secp256k1_num_t *b)
}
static void secp256k1_num_subadd(secp256k1_num_t *r, const secp256k1_num_t *a, const secp256k1_num_t *b, int bneg) {
if (!(b->neg ^ bneg ^ a->neg)) { // a and b have the same sign
if (!(b->neg ^ bneg ^ a->neg)) { /* a and b have the same sign */
r->neg = a->neg;
if (a->limbs >= b->limbs) {
secp256k1_num_add_abs(r, a, b);