Author: bdejean
Date: Sat Feb 16 11:27:10 2008
New Revision: 2309
URL: http://svn.gnome.org/viewvc/gnome-system-monitor?rev=2309&view=rev
Log:
Use std::rotate.
Modified:
trunk/src/load-graph.cpp
Modified: trunk/src/load-graph.cpp
==============================================================================
--- trunk/src/load-graph.cpp (original)
+++ trunk/src/load-graph.cpp Sat Feb 16 11:27:10 2008
@@ -617,33 +617,6 @@
}
-/*
- Shifts data right
-
- data[i+1] = data[i]
-
- data[i] are float*, so we just move the pointer, not the data.
- But moving data loses data[n-1], so we save data[n-1] and reuse
- it as new data[0]. In fact, we rotate data[].
-
-*/
-
-static void
-shift_right(LoadGraph *g)
-{
- unsigned i;
- float* last_data;
-
- /* data[NUM_POINTS - 1] becomes data[0] */
- last_data = g->data[NUM_POINTS - 1];
-
- /* data[i+1] = data[i] */
- for(i = NUM_POINTS - 1; i != 0; --i)
- g->data[i] = g->data[i-1];
-
- g->data[0] = last_data;
-}
-
/* Updates the load graph when the timeout expires */
static gboolean
load_graph_update (gpointer user_data)
@@ -651,7 +624,7 @@
LoadGraph * const g = static_cast<LoadGraph*>(user_data);
if (g->render_counter == 0) {
- shift_right(g);
+ std::rotate(&g->data[0], &g->data[NUM_POINTS - 1],
&g->data[NUM_POINTS]);
switch (g->type) {
case LOAD_GRAPH_CPU:
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