From 468a4a74eb9fae9d640c7a1a06ff3490c8710ee0 Mon Sep 17 00:00:00 2001
From: Cedric Nugteren <web@cedricnugteren.nl>
Date: Sat, 22 May 2021 20:31:12 +0200
Subject: [PATCH] Fix issue with printing out-of-bounds local/global sizes for
 level 1 tuners

---
 src/tuning/tuning.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/tuning/tuning.cpp b/src/tuning/tuning.cpp
index 4160faf7..36da4a80 100644
--- a/src/tuning/tuning.cpp
+++ b/src/tuning/tuning.cpp
@@ -227,7 +227,12 @@ void Tuner(int argc, char* argv[], const int V,
     for (auto i=size_t{0}; i<global.size(); ++i) {
       while ((global[i] / local[i]) * local[i] != global[i]) { global[i]++; }
     }
-    printf("%8zu%8zu |%8zu%8zu |", local[0], local[1], global[0], global[1]);
+    if (local.size() > 1 && global.size() > 1) {
+      printf("%8zu%8zu |%8zu%8zu |", local[0], local[1], global[0], global[1]);
+    }
+    else {
+      printf("%8zu%8d |%8zu%8d |", local[0], 1, global[0], 1);
+    }
 
     // Compiles the kernel
     auto compiler_options = std::vector<std::string>();
@@ -283,7 +288,12 @@ void Tuner(int argc, char* argv[], const int V,
       for (auto i=size_t{0}; i<global.size(); ++i) {
         while ((global[i] / local[i]) * local[i] != global[i]) { global[i]++; }
       }
-      printf("%8zu%8zu |%8zu%8zu |", local[0], local[1], global[0], global[1]);
+      if (local.size() > 1 && global.size() > 1) {
+        printf("%8zu%8zu |%8zu%8zu |", local[0], local[1], global[0], global[1]);
+      }
+      else {
+        printf("%8zu%8d |%8zu%8d |", local[0], 1, global[0], 1);
+      }
 
       // Sets the parameters for this configuration
       auto kernel_source = std::string{""};