source: PSPA/parmelaPSPA/trunk/erf.f @ 315

Last change on this file since 315 was 12, checked in by lemeur, 12 years ago

parmela pspa initial

File size: 145 bytes
Line 
1      FUNCTION ERF(X)
2      IF(X.LT.0.)THEN
3        ERF=-GAMMP(.5,X**2)
4      ELSE
5        ERF=GAMMP(.5,X**2)
6      ENDIF
7      RETURN
8      END
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