From 1160baa61bad605cf8a1d583e8ae356a54a942df Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Thu, 26 Jul 2018 16:18:40 -0400
Subject: many changes, including new spin spaces and groups and cleaning up
 core library code

---
 lib/vector.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/vector.h')

diff --git a/lib/vector.h b/lib/vector.h
index beee1a7..2f4077a 100644
--- a/lib/vector.h
+++ b/lib/vector.h
@@ -109,7 +109,7 @@ void write_magnetization(vector_t <q, double> M, FILE *outfile) {
 }
 
 template <q_t q, class T>
-T dot(vector_t <q, T> v1, vector_t <q, T> v2) {
+T dot(const vector_t <q, T>& v1, const vector_t <q, T>& v2) {
   T prod = 0;
 
   for (q_t i = 0; i < q; i++) {
@@ -120,7 +120,7 @@ T dot(vector_t <q, T> v1, vector_t <q, T> v2) {
 }
 
 template <q_t q, class T>
-double H_vector(vector_t <q, T> v1, T *H) {
+double H_vector(const vector_t <q, T>& v1, T *H) {
   vector_t <q, T> H_vec(H);
   return (double)(dot <q, T> (v1, H_vec));
 }
-- 
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