14 lines
219 B
C
14 lines
219 B
C
/* +++Date last modified: 05-Jul-1997 */
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#ifndef PI__H
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#define PI__H
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#ifndef PI
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#define PI (4*atan(1))
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#endif
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#define deg2rad(d) ((d)*PI/180)
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#define rad2deg(r) ((r)*180/PI)
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#endif /* PI__H */
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