gcc/testsuite/gfortran.dg/maxlocval_1.f90

   1 ! { dg-do run }
   2 ! Check that maxval uses for integers HUGE()-1.
   3 ! PR fortran/30512
   4
   5 program main
   6 implicit none
   7 integer(1) :: i1(3), a1(3:2)
   8 integer(2) :: i2(3), a2(3:2)
   9 integer(4) :: i4(3), a4(3:2)
  10 integer(8) :: i8(3), a8(3:2)
  11
  12 integer(kind=4), allocatable :: a(:,:)
  13 integer(kind=8), allocatable :: b(:,:)
  14
  15 logical :: msk(3)
  16 msk = .false.
  17
  18 i1 = 1
  19 i2 = 1
  20 i4 = 1
  21 i8 = 1
  22
  23 if(-huge(i1)-1_1 /= maxval(i1, msk)) STOP 1 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  24 if(-huge(a1)-1_1 /= maxval(a1))      STOP 2 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  25
  26 if(-huge(i2)-1_2 /= maxval(i2, msk)) STOP 3 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  27 if(-huge(a2)-1_2 /= maxval(a2))      STOP 4 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  28
  29 if(-huge(i4)-1_4 /= maxval(i4, msk)) STOP 5 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  30 if(-huge(a4)-1_4 /= maxval(a4))      STOP 6 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  31
  32 if(-huge(i8)-1_4 /= maxval(i8, msk)) STOP 7 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  33 if(-huge(a8)-1_4 /= maxval(a8))      STOP 8 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  34
  35 allocate (a(0:-1,1:1))
  36 allocate (b(0:-1,1:1))
  37
  38 if(any(maxval(a,dim=1) /= -huge(a)-1_4)) STOP 9 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  39 if(any(minval(a,dim=1) /=  huge(a)    )) STOP 10
  40
  41 if(any(maxval(b,dim=1) /= -huge(b)-1_8)) STOP 11 ! { dg-warning "outside symmetric range implied by Standard Fortran" }
  42 if(any(minval(b,dim=1) /=  huge(b)    )) STOP 12
  43
  44 end program main