gcc/testsuite/gfortran.dg/pr32242.f90

   1 !PR fortran/32242
   2 ! { dg-do compile }
   3 ! { dg-options "-Wreturn-type" }
   4 ! { dg-final { cleanup-modules "kahan_sum" } }
   5
   6 MODULE kahan_sum
   7   INTEGER, PARAMETER :: dp=KIND(0.0D0)
   8   INTERFACE accurate_sum
   9     MODULE PROCEDURE kahan_sum_d1, kahan_sum_z1
  10   END INTERFACE accurate_sum
  11   TYPE pw_grid_type
  12      REAL (KIND=dp), DIMENSION ( : ), POINTER :: gsq
  13   END TYPE pw_grid_type
  14   TYPE pw_type
  15      REAL (KIND=dp), DIMENSION ( : ), POINTER :: cr
  16      COMPLEX (KIND=dp), DIMENSION ( : ), POINTER :: cc
  17      TYPE ( pw_grid_type ), POINTER :: pw_grid
  18   END TYPE pw_type
  19 CONTAINS
  20  FUNCTION kahan_sum_d1(array,mask) RESULT(ks)         ! { dg-warning "not set" }
  21    REAL(KIND=dp), DIMENSION(:), INTENT(IN)  :: array
  22    LOGICAL, DIMENSION(:), INTENT(IN), &
  23      OPTIONAL                               :: mask
  24    REAL(KIND=dp)                            :: ks
  25  END FUNCTION kahan_sum_d1
  26   FUNCTION kahan_sum_z1(array,mask) RESULT(ks)        ! { dg-warning "not set" }
  27     COMPLEX(KIND=dp), DIMENSION(:), &
  28       INTENT(IN)                             :: array
  29     LOGICAL, DIMENSION(:), INTENT(IN), &
  30       OPTIONAL                               :: mask
  31     COMPLEX(KIND=dp)                         :: ks
  32   END FUNCTION kahan_sum_z1
  33
  34 FUNCTION pw_integral_a2b ( pw1, pw2 ) RESULT ( integral_value )
  35     TYPE(pw_type), INTENT(IN)                :: pw1, pw2
  36     REAL(KIND=dp)                            :: integral_value
  37      integral_value = accurate_sum ( REAL ( CONJG ( pw1 % cc ( : ) ) &
  38           *  pw2 % cc ( : ) ,KIND=dp) * pw1 % pw_grid % gsq ( : ) )
  39 END FUNCTION pw_integral_a2b
  40 END MODULE