/* Area: ffi_call
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Purpose: Check non-standard complex types.
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Limitations: none.
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PR: none.
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Originator: <vogt@linux.vnet.ibm.com>. */
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/* { dg-do run } */
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#include "ffitest.h"
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#include "ffi.h"
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#include <complex.h>
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_Complex int f_complex(_Complex int c, int x, int *py)
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{
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c = -(2 * creal (c)) + (cimag (c) + 1)* I;
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*py += x;
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return c;
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}
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/*
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* This macro can be used to define new complex type descriptors
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* in a platform independent way.
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*
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* name: Name of the new descriptor is ffi_type_complex_<name>.
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* type: The C base type of the complex type.
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*/
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#define FFI_COMPLEX_TYPEDEF(name, type, ffitype) \
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static ffi_type *ffi_elements_complex_##name [2] = { \
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(ffi_type *)(&ffitype), NULL \
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}; \
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struct struct_align_complex_##name { \
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char c; \
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_Complex type x; \
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}; \
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ffi_type ffi_type_complex_##name = { \
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sizeof(_Complex type), \
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offsetof(struct struct_align_complex_##name, x), \
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FFI_TYPE_COMPLEX, \
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(ffi_type **)ffi_elements_complex_##name \
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}
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/* Define new complex type descriptors using the macro: */
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/* ffi_type_complex_sint */
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FFI_COMPLEX_TYPEDEF(sint, int, ffi_type_sint);
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/* ffi_type_complex_uchar */
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FFI_COMPLEX_TYPEDEF(uchar, unsigned char, ffi_type_uint8);
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int main (void)
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{
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ffi_cif cif;
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ffi_type *args[MAX_ARGS];
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void *values[MAX_ARGS];
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_Complex int tc_arg;
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_Complex int tc_result;
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int tc_int_arg_x;
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int tc_y;
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int *tc_ptr_arg_y = &tc_y;
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args[0] = &ffi_type_complex_sint;
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args[1] = &ffi_type_sint;
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args[2] = &ffi_type_pointer;
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values[0] = &tc_arg;
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values[1] = &tc_int_arg_x;
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values[2] = &tc_ptr_arg_y;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &ffi_type_complex_sint, args)
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== FFI_OK);
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tc_arg = 1 + 7 * I;
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tc_int_arg_x = 1234;
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tc_y = 9876;
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ffi_call(&cif, FFI_FN(f_complex), &tc_result, values);
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printf ("%d,%di %d,%di, x %d 1234, y %d 11110\n",
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(int)tc_result, (int)(tc_result * -I), 2, 8, tc_int_arg_x, tc_y);
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/* dg-output "-2,8i 2,8i, x 1234 1234, y 11110 11110" */
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CHECK (creal (tc_result) == -2);
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CHECK (cimag (tc_result) == 8);
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CHECK (tc_int_arg_x == 1234);
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CHECK (*tc_ptr_arg_y == 11110);
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exit(0);
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}
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