stopwatch function

Author: gitlim

stopwatch_output.m

@@ -0,0 +1,8 @@
+function stopwatch_output(ind)
+    global sw_vec;
+    global sw_cou;
+    fprintf('\n\n');
+    for i = find(sw_vec)
+        fprintf('  %d (@ %d): %.3fsecs\n', i, sw_cou(i), sw_vec(i));
+    end
+end

stopwatch_start.m

@@ -0,0 +1,10 @@
+function stopwatch_start()
+    global sw_vec;
+    global sw_lt; % lasttime
+    global sw_id;
+    global sw_cou;
+    sw_id = tic;
+    sw_vec = [];
+    sw_cou = [];
+    sw_lt = 0;
+end

stopwatch_toc.m

@@ -0,0 +1,20 @@
+function stopwatch_toc(sw_ind)
+    if sw_ind == 0
+        global sw_id;
+        global sw_lt;
+        sw_lt = toc(sw_id);
+    else
+        global sw_id;
+        cur_time = toc(sw_id);
+        global sw_lt;
+        global sw_vec;
+        global sw_cou;
+        if length(sw_vec) < sw_ind
+            sw_vec(sw_ind) = 0;
+            sw_cou(sw_ind) = 0;
+        end
+        sw_vec(sw_ind) = sw_vec(sw_ind) + cur_time-sw_lt;
+        sw_cou(sw_ind) = sw_cou(sw_ind) + 1;
+        sw_lt = cur_time;
+    end
+end