gcc/testsuite/gfortran.dg/minmaxloc_2.f90

   1 ! { dg-do run }
   2 ! Tests the fix for PR32298, in which the scalarizer would generate
   3 ! a temporary in the course of evaluating MINLOC or MAXLOC, thereby
   4 ! setting the start of the scalarizer loop to zero.
   5 !
   6 ! Contributed by Jens Bischoff <jens.bischoff@freenet.de>
   7 !
   8 PROGRAM ERR_MINLOC
   9
  10    INTEGER, PARAMETER :: N = 7
  11
  12    DOUBLE PRECISION, DIMENSION (N), PARAMETER :: A &
  13      = (/ 0.3D0, 0.455D0, 0.6D0, 0.7D0, 0.72D0, 0.76D0, 0.79D0 /)
  14
  15    DOUBLE PRECISION :: B
  16    INTEGER          :: I, J(N), K(N)
  17
  18   DO I = 1, N
  19     B = A(I)
  20     J(I) = MINLOC (ABS (A - B), 1)
  21     K(I) = MAXLOC (ABS (A - B), 1)
  22   END DO
  23
  24   if (any (J .NE. (/1,2,3,4,5,6,7/))) call abort ()
  25   if (any (K .NE. (/7,7,1,1,1,1,1/))) call abort ()
  26
  27   STOP
  28
  29 END PROGRAM ERR_MINLOC