RosettaCodeData/Task/Image-noise/PL-I/image-noise.pli
2023-07-01 13:44:08 -04:00

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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;