1! { dg-do run } 2! { dg-additional-sources c_f_pointer_complex_driver.c } 3! { dg-options "-std=gnu -w" } 4! Test c_f_pointer for the different types of interoperable complex values. 5module c_f_pointer_complex 6 use, intrinsic :: iso_c_binding, only: c_float_complex, c_double_complex, & 7 c_long_double_complex, c_f_pointer, c_ptr, c_long_double, c_int 8 implicit none 9 10contains 11 subroutine test_complex_scalars(my_c_float_complex, my_c_double_complex, & 12 my_c_long_double_complex) bind(c) 13 type(c_ptr), value :: my_c_float_complex 14 type(c_ptr), value :: my_c_double_complex 15 type(c_ptr), value :: my_c_long_double_complex 16 complex(c_float_complex), pointer :: my_f03_float_complex 17 complex(c_double_complex), pointer :: my_f03_double_complex 18 complex(c_long_double_complex), pointer :: my_f03_long_double_complex 19 20 call c_f_pointer(my_c_float_complex, my_f03_float_complex) 21 call c_f_pointer(my_c_double_complex, my_f03_double_complex) 22 call c_f_pointer(my_c_long_double_complex, my_f03_long_double_complex) 23 24 if(my_f03_float_complex /= (1.0, 0.0)) STOP 1 25 if(my_f03_double_complex /= (2.0d0, 0.0d0)) STOP 2 26 if(my_f03_long_double_complex /= (3.0_c_long_double, & 27 0.0_c_long_double)) STOP 3 28 end subroutine test_complex_scalars 29 30 subroutine test_complex_arrays(float_complex_array, double_complex_array, & 31 long_double_complex_array, num_elems) bind(c) 32 type(c_ptr), value :: float_complex_array 33 type(c_ptr), value :: double_complex_array 34 type(c_ptr), value :: long_double_complex_array 35 complex(c_float_complex), pointer, dimension(:) :: f03_float_complex_array 36 complex(c_double_complex), pointer, dimension(:) :: & 37 f03_double_complex_array 38 complex(c_long_double_complex), pointer, dimension(:) :: & 39 f03_long_double_complex_array 40 integer(c_int), value :: num_elems 41 integer :: i 42 43 call c_f_pointer(float_complex_array, f03_float_complex_array, & 44 (/ num_elems /)) 45 call c_f_pointer(double_complex_array, f03_double_complex_array, & 46 (/ num_elems /)) 47 call c_f_pointer(long_double_complex_array, & 48 f03_long_double_complex_array, (/ num_elems /)) 49 50 do i = 1, num_elems 51 if(f03_float_complex_array(i) & 52 /= (i*(1.0, 0.0))) STOP 4 53 if(f03_double_complex_array(i) & 54 /= (i*(1.0d0, 0.0d0))) STOP 5 55 if(f03_long_double_complex_array(i) & 56 /= (i*(1.0_c_long_double, 0.0_c_long_double))) STOP 6 57 end do 58 end subroutine test_complex_arrays 59end module c_f_pointer_complex 60