! { dg-do run } ! { dg-additional-sources c_f_pointer_complex_driver.c } ! { dg-options "-std=gnu -w" } ! Test c_f_pointer for the different types of interoperable complex values. module c_f_pointer_complex use, intrinsic :: iso_c_binding, only: c_float_complex, c_double_complex, & c_long_double_complex, c_f_pointer, c_ptr, c_long_double, c_int implicit none contains subroutine test_complex_scalars(my_c_float_complex, my_c_double_complex, & my_c_long_double_complex) bind(c) type(c_ptr), value :: my_c_float_complex type(c_ptr), value :: my_c_double_complex type(c_ptr), value :: my_c_long_double_complex complex(c_float_complex), pointer :: my_f03_float_complex complex(c_double_complex), pointer :: my_f03_double_complex complex(c_long_double_complex), pointer :: my_f03_long_double_complex call c_f_pointer(my_c_float_complex, my_f03_float_complex) call c_f_pointer(my_c_double_complex, my_f03_double_complex) call c_f_pointer(my_c_long_double_complex, my_f03_long_double_complex) if(my_f03_float_complex /= (1.0, 0.0)) call abort () if(my_f03_double_complex /= (2.0d0, 0.0d0)) call abort () if(my_f03_long_double_complex /= (3.0_c_long_double, & 0.0_c_long_double)) call abort () end subroutine test_complex_scalars subroutine test_complex_arrays(float_complex_array, double_complex_array, & long_double_complex_array, num_elems) bind(c) type(c_ptr), value :: float_complex_array type(c_ptr), value :: double_complex_array type(c_ptr), value :: long_double_complex_array complex(c_float_complex), pointer, dimension(:) :: f03_float_complex_array complex(c_double_complex), pointer, dimension(:) :: & f03_double_complex_array complex(c_long_double_complex), pointer, dimension(:) :: & f03_long_double_complex_array integer(c_int), value :: num_elems integer :: i call c_f_pointer(float_complex_array, f03_float_complex_array, & (/ num_elems /)) call c_f_pointer(double_complex_array, f03_double_complex_array, & (/ num_elems /)) call c_f_pointer(long_double_complex_array, & f03_long_double_complex_array, (/ num_elems /)) do i = 1, num_elems if(f03_float_complex_array(i) & /= (i*(1.0, 0.0))) call abort () if(f03_double_complex_array(i) & /= (i*(1.0d0, 0.0d0))) call abort () if(f03_long_double_complex_array(i) & /= (i*(1.0_c_long_double, 0.0_c_long_double))) call abort () end do end subroutine test_complex_arrays end module c_f_pointer_complex