small touchups

src/fcmp_pp/curve_trees.cpp

@@ -737,11 +737,11 @@ static PreLeafTuple output_to_pre_leaf_tuple(const OutputPair &output_pair)
 
     PreLeafTuple plt;
     if (!fcmp_pp::point_to_pre_wei_x(O, plt.O_pre_x))
-        throw std::runtime_error("failed to get pre wei x scalar from O");
+        throw std::runtime_error("failed to get pre wei x from O");
     if (!fcmp_pp::point_to_pre_wei_x(rct::pt2rct(I), plt.I_pre_x))
-        throw std::runtime_error("failed to get pre wei x scalar from I");
+        throw std::runtime_error("failed to get pre wei x from I");
     if (!fcmp_pp::point_to_pre_wei_x(C, plt.C_pre_x))
-        throw std::runtime_error("failed to get pre wei x scalar from C");
+        throw std::runtime_error("failed to get pre wei x from C");
 
     return plt;
 }

src/fcmp_pp/fcmp_pp_crypto.cpp

@@ -56,7 +56,6 @@ bool point_to_pre_wei_x(const rct::key &pub, PreWeiX &pre_wei_x) {
         return false;
     fe one;
     fe_1(one);
-
     // (1+y),(1-y)
     fe_add(pre_wei_x.one_plus_y, one, y);
     fe_sub(pre_wei_x.one_minus_y, one, y);

tests/unit_tests/crypto.cpp

@@ -391,7 +391,7 @@ TEST(Crypto, batch_inversion)
     ASSERT_EQ(fe_frombytes_vartime(init_elems[i], (unsigned char*)kp.pub.data), 0);
   }
 
-  for (std::size_t n_elems : {1, 100, 1000})
+  for (const std::size_t n_elems : test_n_elems)
   {
     // Memory allocations
     fe *batch_inverted = alloc(n_elems);