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WebSVN – planix.SVN – Blame – /os/branches/feature_tlsv12/sys/src/cmd/plot/libplot/range.c – Rev 2

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#include "mplot.h"
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void range(double x0, double y0, double x1, double y1){
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	e1->xmin = x0;
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	e1->ymin = y0;
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	e1->scalex = e1->sidex / (x1 - x0 );
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	e1->scaley = e1->sidey / (y1 - y0 );
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	e1->quantum=e0->quantum/sqrt(e1->scalex*e1->scalex +
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		e1->scaley*e1->scaley);
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	if(e1->quantum < .01)
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		e1->quantum = .01;
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}