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$%ARCTANH

Draft MDC Standard

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2 MATH Library
2.11 ARCTANH

ARCTANH(X,PREC) ;
	If X<–1 Set $Ecode=",M28,"
	If X>1 Set $Ecode=",M28,"
	Set PREC=$Get(PREC,11)
	Quit $%LOG^MATH(1+X/(1-X),PREC)/2
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Copyright © Standard Documents; 1977-2024 MUMPS Development Committee;
Copyright © Examples: 1995-2024 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2024 Ed de Moel.

Some specifications are "approved for inclusion in a future standard". Note that the MUMPS Development Committee cannot guarantee that such future standards will indeed be published.

This page most recently updated on 30-Nov-2011, 19:48:53.

For comments, contact Ed de Moel (demoel@jacquardsystems.com)