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/* |
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* Header file for linear regression calculation. |
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*/ |
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#ifndef _RAD_LINEGR_H_ |
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#define _RAD_LINEGR_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include "copyright.h" |
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#define lrxdev(l) sqrt(((l)->xxs-(l)->xs*(l)->xs/(l)->n)/((l)->n-1)) |
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#define lrydev(l) sqrt(((l)->yys-(l)->ys*(l)->ys/(l)->n)/((l)->n-1)) |
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#ifdef NOPROTO |
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extern void lrclear(); |
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extern int flrpoint(); |
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extern int lrfit(); |
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#else |
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extern void lrclear(LRSUM *l); |
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extern int flrpoint(double x, double y, LRSUM *l); |
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extern int lrfit(LRLIN *r, LRSUM *l); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_LINEGR_H_ */ |
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