| ! { dg-do run } |
| ! { dg-additional-sources c_f_tests_driver.c } |
| module c_f_pointer_tests |
| use, intrinsic :: iso_c_binding |
| |
| type myF90Derived |
| integer(c_int) :: cInt |
| real(c_double) :: cDouble |
| real(c_float) :: cFloat |
| integer(c_short) :: cShort |
| type(c_funptr) :: myFunPtr |
| end type myF90Derived |
| |
| type dummyDerived |
| integer(c_int) :: myInt |
| end type dummyDerived |
| |
| contains |
| |
| subroutine testDerivedPtrs(myCDerived, derivedArray, arrayLen, & |
| derived2DArray, dim1, dim2) & |
| bind(c, name="testDerivedPtrs") |
| implicit none |
| type(c_ptr), value :: myCDerived |
| type(c_ptr), value :: derivedArray |
| integer(c_int), value :: arrayLen |
| type(c_ptr), value :: derived2DArray |
| integer(c_int), value :: dim1 |
| integer(c_int), value :: dim2 |
| type(myF90Derived), pointer :: myF90Type |
| type(myF90Derived), dimension(:), pointer :: myF90DerivedArray |
| type(myF90Derived), dimension(:,:), pointer :: derivedArray2D |
| ! one dimensional array coming in (derivedArray) |
| integer(c_int), dimension(1:1) :: shapeArray |
| integer(c_int), dimension(1:2) :: shapeArray2 |
| type(myF90Derived), dimension(1:10), target :: tmpArray |
| |
| call c_f_pointer(myCDerived, myF90Type) |
| ! make sure numbers are ok. initialized in c_f_tests_driver.c |
| if(myF90Type%cInt .ne. 1) then |
| STOP 1 |
| endif |
| if(myF90Type%cDouble .ne. 2.0d0) then |
| STOP 2 |
| endif |
| if(myF90Type%cFloat .ne. 3.0) then |
| STOP 3 |
| endif |
| if(myF90Type%cShort .ne. 4) then |
| STOP 4 |
| endif |
| |
| shapeArray(1) = arrayLen |
| call c_f_pointer(derivedArray, myF90DerivedArray, shapeArray) |
| |
| ! upper bound of each dim is arrayLen2 |
| shapeArray2(1) = dim1 |
| shapeArray2(2) = dim2 |
| call c_f_pointer(derived2DArray, derivedArray2D, shapeArray2) |
| ! make sure the last element is ok |
| if((derivedArray2D(dim1, dim2)%cInt .ne. 4) .or. & |
| (derivedArray2D(dim1, dim2)%cDouble .ne. 4.0d0) .or. & |
| (derivedArray2D(dim1, dim2)%cFloat .ne. 4.0) .or. & |
| (derivedArray2D(dim1, dim2)%cShort .ne. 4)) then |
| STOP 5 |
| endif |
| end subroutine testDerivedPtrs |
| end module c_f_pointer_tests |