[Pkg-bitcoin-commits] [libsecp256k1] 03/22: Fix secp256k1_ge_set_table_gej_var parameter order

[Jonas Smedegaard]

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js pushed a commit to branch master
in repository libsecp256k1.

commit 353c1bf0d744ba9b456ff51d80200de1191baebb
Author: llamasoft <gravisoft at gmail.com>
Date:   Tue Jul 26 11:53:29 2016 -0500

    Fix secp256k1_ge_set_table_gej_var parameter order
    
    Rearranged secp256k1_ge_set_table_gej_var parameters so length comes last (it modifies both *a and *zr).
---
 src/ecmult_impl.h | 2 +-
 src/group.h       | 2 +-
 src/group_impl.h  | 2 +-
 src/tests.c       | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ecmult_impl.h b/src/ecmult_impl.h
index e6e5f47..f5e6513 100644
--- a/src/ecmult_impl.h
+++ b/src/ecmult_impl.h
@@ -101,7 +101,7 @@ static void secp256k1_ecmult_odd_multiples_table_storage_var(int n, secp256k1_ge
     /* Compute the odd multiples in Jacobian form. */
     secp256k1_ecmult_odd_multiples_table(n, prej, zr, a);
     /* Convert them in batch to affine coordinates. */
-    secp256k1_ge_set_table_gej_var(n, prea, prej, zr);
+    secp256k1_ge_set_table_gej_var(prea, prej, zr, n);
     /* Convert them to compact storage form. */
     for (i = 0; i < n; i++) {
         secp256k1_ge_to_storage(&pre[i], &prea[i]);
diff --git a/src/group.h b/src/group.h
index 02a7eba..4957b24 100644
--- a/src/group.h
+++ b/src/group.h
@@ -70,7 +70,7 @@ static void secp256k1_ge_set_all_gej_var(secp256k1_ge *r, const secp256k1_gej *a
 /** Set a batch of group elements equal to the inputs given in jacobian
  *  coordinates (with known z-ratios). zr must contain the known z-ratios such
  *  that mul(a[i].z, zr[i+1]) == a[i+1].z. zr[0] is ignored. */
-static void secp256k1_ge_set_table_gej_var(size_t len, secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_fe *zr);
+static void secp256k1_ge_set_table_gej_var(secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_fe *zr, size_t len);
 
 /** Bring a batch inputs given in jacobian coordinates (with known z-ratios) to
  *  the same global z "denominator". zr must contain the known z-ratios such
diff --git a/src/group_impl.h b/src/group_impl.h
index d2c07a9..18f2b37 100644
--- a/src/group_impl.h
+++ b/src/group_impl.h
@@ -102,7 +102,7 @@ static void secp256k1_ge_set_all_gej_var(secp256k1_ge *r, const secp256k1_gej *a
     free(azi);
 }
 
-static void secp256k1_ge_set_table_gej_var(size_t len, secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_fe *zr) {
+static void secp256k1_ge_set_table_gej_var(secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_fe *zr, size_t len) {
     size_t i = len - 1;
     secp256k1_fe zi;
 
diff --git a/src/tests.c b/src/tests.c
index 7d99bb9..9ae7d30 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -2050,7 +2050,7 @@ void test_ge(void) {
                 secp256k1_fe_mul(&zr[i + 1], &zinv[i], &gej[i + 1].z);
             }
         }
-        secp256k1_ge_set_table_gej_var(4 * runs + 1, ge_set_table, gej, zr);
+        secp256k1_ge_set_table_gej_var(ge_set_table, gej, zr, 4 * runs + 1);
         secp256k1_ge_set_all_gej_var(ge_set_all, gej, 4 * runs + 1, &ctx->error_callback);
         for (i = 0; i < 4 * runs + 1; i++) {
             secp256k1_fe s;

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