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c { dg-do compile }
* Date: Fri, 5 Mar 1999 00:35:44 -0500 (EST)
* From: Denes Molnar <molnard@phys.columbia.edu>
* To: fortran@gnu.org
* Subject: f771 gets fatal signal 6
* Content-Type: TEXT/PLAIN; charset=US-ASCII
* X-UIDL: 8d81e9cbdcc96209c6e9b298d966ba7f
*
* Hi,
*
*
* Comiling object from the source code below WORKS FINE with
*   'g77 -o hwuci2 -c hwuci2.F'
* but FAILS with fatal signal 6
*   'g77 -o hwuci2 -O -c hwuci2.F'
*
* Any explanations?
*
* I am running GNU Fortran 0.5.23 with GCC 2.8.1 (glibc1).
*
*
* Denes Molnar
*
* %%%%%%%%%%%%%%%%%%%%%%%%%
* %the source:
* %%%%%%%%%%%%%%%%%%%%%%%%%
*
CDECK  ID>, HWUCI2.
*CMZ :-        -23/08/94  13.22.29  by  Mike Seymour
*-- Author :    Ulrich Baur & Nigel Glover, adapted by Ian Knowles
C-----------------------------------------------------------------------
      FUNCTION HWUCI2(A,B,Y0)
C-----------------------------------------------------------------------
C     Integral  LOG(A-EPSI-BY(1-Y))/(Y-Y0)
C-----------------------------------------------------------------------
      IMPLICIT NONE
      complex(kind=8) HWUCI2,HWULI2,EPSI,Y1,Y2,Z1,Z2,Z3,Z4
      DOUBLE PRECISION A,B,Y0,ZERO,ONE,FOUR,HALF
      EXTERNAL HWULI2
      COMMON/SMALL/EPSI
      PARAMETER (ZERO=0.D0, ONE =1.D0, FOUR= 4.D0, HALF=0.5D0)
      IF(B.EQ.ZERO)THEN
         HWUCI2=CMPLX(ZERO,ZERO)
      ELSE
         Y1=HALF*(ONE+SQRT(ONE-FOUR*(A+EPSI)/B))
         Y2=ONE-Y1
         Z1=Y0/(Y0-Y1)
         Z2=(Y0-ONE)/(Y0-Y1)
         Z3=Y0/(Y0-Y2)
         Z4=(Y0-ONE)/(Y0-Y2)
         HWUCI2=HWULI2(Z1)-HWULI2(Z2)+HWULI2(Z3)-HWULI2(Z4)
      ENDIF
      RETURN
      END
*
* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%