1! { dg-do run }
2! Check that maxval uses for integers HUGE()-1.
3! PR fortran/30512
4
5program main
6implicit none
7integer(1) :: i1(3), a1(3:2)
8integer(2) :: i2(3), a2(3:2)
9integer(4) :: i4(3), a4(3:2)
10integer(8) :: i8(3), a8(3:2)
11
12integer(kind=4), allocatable :: a(:,:)
13integer(kind=8), allocatable :: b(:,:)
14
15logical :: msk(3)
16msk = .false.
17
18i1 = 1
19i2 = 1
20i4 = 1
21i8 = 1
22
23if(-huge(i1)-1_1 /= maxval(i1, msk)) call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
24if(-huge(a1)-1_1 /= maxval(a1))      call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
25
26if(-huge(i2)-1_2 /= maxval(i2, msk)) call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
27if(-huge(a2)-1_2 /= maxval(a2))      call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
28
29if(-huge(i4)-1_4 /= maxval(i4, msk)) call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
30if(-huge(a4)-1_4 /= maxval(a4))      call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
31
32if(-huge(i8)-1_4 /= maxval(i8, msk)) call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
33if(-huge(a8)-1_4 /= maxval(a8))      call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
34
35allocate (a(0:-1,1:1))
36allocate (b(0:-1,1:1))
37
38if(any(maxval(a,dim=1) /= -huge(a)-1_4)) call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
39if(any(minval(a,dim=1) /=  huge(a)    )) call abort()
40
41if(any(maxval(b,dim=1) /= -huge(b)-1_8)) call abort() ! { dg-warning "outside symmetric range implied by Standard Fortran" }
42if(any(minval(b,dim=1) /=  huge(b)    )) call abort()
43
44end program main
45