From b1f122f274b832194d0140f228a6631fec73bbd8 Mon Sep 17 00:00:00 2001
From: Everard van Nieuwenburg <evert.v.nieuwenburg@gmail.com>
Date: Wed, 19 Sep 2018 14:34:27 -0700
Subject: [PATCH] Correction in checkpointing

---
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index f79a7bf..b6f6163 100644
--- a/main.cpp
+++ b/main.cpp
@@ -83,7 +83,7 @@ int main(int argc, char **argv) {
     Psit = krylov_propagate(H, Psit, dt, m);
 
     // Checkpoint the wavefunction
-    if (i % checkpoint_every) {
+    if (i % checkpoint_every == 0) {
       std::ofstream wfoutfile;
       wfoutfile.open(wf_filename);
       wfoutfile << Psit << std::endl;