29 lines
682 B
C
29 lines
682 B
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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/* @(#)bg.h 1.1 94/10/31 SMI; from UCB 5.1 4/30/85 */
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/*
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* Displays plot files on a bbn bitgraph terminal.
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*/
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#include <stdio.h>
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#include <math.h>
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#define ESC 033
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#define PI 3.141592659
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/* The graphics address range is 0..XMAX, 0..YMAX. */
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#define XMAX 768
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#define YMAX 1024
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#define scaleX(xi) ((int) ((xi - lowx)*scale +0.5))
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#define scaleY(yi) ((int) ((yi - lowy)*scale +0.5))
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extern int currentx;
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extern int currenty;
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extern double lowx;
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extern double lowy;
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extern double scale;
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