Data commit

Task/Image-noise/PL-I/image-noise.pli

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+Image_Noise: procedure options (main); /* 3 November 2013 */
+   declare (start_time, end_time) float (18);
+   declare (frame, m, n) fixed binary;
+
+   start_time = secs();
+   get (m, n);
+   do frame = 1 to 100; /* Generate 100 frames. */
+      call display (m, n);
+      put skip data (frame);
+   end;
+   end_time = secs();
+
+   put skip list ('Average FPS =' || fixed(100/(end_time-start_time), 6) );
+
+display: procedure (m, n);
+   declare (m, n) fixed binary;
+   declare screen(0:m, 0:n) bit (1);
+   declare i fixed binary;
+   declare random builtin;
+
+      screen = '0'b; /* clear screen for this frame */
+      do i = 0 to m*n*random;
+         screen(random*m, random*n) = random > 0.5;
+      end;
+end display;
+
+end Image_Noise;