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c { dg-do run }

c { dg-options "-std=legacy" }

c

* From: "Billinghurst, David (RTD)" <David.Billinghurst@riotinto.com.au>

* Subject: RE: single precision complex bug in g77 - was Testing g77 with LA

* PACK 3.0

* Date: Thu, 8 Jul 1999 00:55:11 +0100

* X-UIDL: b00d9d8081a36fef561b827d255dd4a5

* Here is a slightly simpler and neater test case

      program labug3

      implicit none

*  This program gives the wrong answer on mips-sgi-irix6.5

*  when compiled with g77 from egcs-19990629 (gcc 2.95 prerelease)

*  Get a = 0.0 when it should be 1.0

*

*  Works with:  -femulate-complex

*               egcs-1.1.2

*

*  Originally derived from LAPACK 3.0 test suite.

*

*  David Billinghurst, (David.Billinghurst@riotinto.com.au)

*  8 July 1999

*

      complex one, z

      real    a, f1

      f1(z) = real(z)

      one = (1.,0.)

      a = f1(one)

      if ( abs(a-1.0) .gt. 1.0e-5 ) then

         write(6,*) 'A should be 1.0 but it is',a

         call abort()

      end if

      end