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19 lines
375 B
C
19 lines
375 B
C
#ifndef _MATH_EXT_H
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#define _MATH_EXT_H
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#include <math.h>
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static inline int round(double dValue)
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{
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return (int)floor( dValue + 0.5 );
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}
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static inline double distance(double dFirstX, double dFirstY, double dSecondX, double dSecondY)
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{
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double dDx = dSecondX - dFirstX;
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double dDy = dSecondY - dFirstY;
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return sqrt( dDx * dDx + dDy * dDy );
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}
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#endif /* _MATH_EXT_H */
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