# HG changeset patch
# User bsmith@81767d24-ef19-dc11-ae90-00e081727c95
# Date 1319540854 0
# Node ID 6b605b0700e87c9eb0f2d2b94dd80531f54b9b21
# Parent  4b0aa8429592aeb167429f3c79b8dbe187694611
Fixed accidentally calling arctan() instead of atan2() on GTK.

diff -r 4b0aa8429592 -r 6b605b0700e8 gtk/dw.c
--- a/gtk/dw.c	Tue Oct 25 11:01:19 2011 +0000
+++ b/gtk/dw.c	Tue Oct 25 11:07:34 2011 +0000
@@ -8087,8 +8087,8 @@
    if(cr)
    {
       GdkColor *foreground = pthread_getspecific(_dw_fg_color_key);
-      double a1 = 180/M_PI * arctan((y1-yorigin)/(x1-xorigin));
-      double a2 = 180/M_PI * arctan((y2-yorigin)/(x2-xorigin));
+      double a1 = 180/M_PI * atan2((y1-yorigin), (x1-xorigin));
+      double a2 = 180/M_PI * atan2((y2-yorigin), (x2-xorigin));
       
       gdk_cairo_set_source_color (cr, foreground);
       cairo_set_line_width(cr, 1);
diff -r 4b0aa8429592 -r 6b605b0700e8 gtk3/dw.c
--- a/gtk3/dw.c	Tue Oct 25 11:01:19 2011 +0000
+++ b/gtk3/dw.c	Tue Oct 25 11:07:34 2011 +0000
@@ -6960,8 +6960,8 @@
       double dx = xorigin - x1;
       double dy = yorigin - y1;
       double r = sqrt(dx*dx + dy*dy);
-      double a1 = 180/M_PI * arctan((y1-yorigin)/(x1-xorigin));
-      double a2 = 180/M_PI * arctan((y2-yorigin)/(x2-xorigin));
+      double a1 = 180/M_PI * atan2((y1-yorigin), (x1-xorigin));
+      double a2 = 180/M_PI * atan2((y2-yorigin), (x2-xorigin));
 
       gdk_cairo_set_source_color (cr, foreground);
       cairo_set_line_width(cr, 1);