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43 lines
1.1 KiB
43 lines
1.1 KiB
/* -*-c-*- */
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#include "ffitest.h"
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#include <complex.h>
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static void cls_ret_complex_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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void* userdata __UNUSED__)
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{
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_Complex T_C_TYPE *pa;
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_Complex T_C_TYPE *pr;
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pa = (_Complex T_C_TYPE *)args[0];
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pr = (_Complex T_C_TYPE *)resp;
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*pr = *pa;
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printf("%.6f,%.6fi: %.6f,%.6fi\n",
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T_CONV creal (*pa), T_CONV cimag (*pa),
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T_CONV creal (*pr), T_CONV cimag (*pr));
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}
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typedef _Complex T_C_TYPE (*cls_ret_complex)(_Complex T_C_TYPE);
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int main (void)
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{
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ffi_cif cif;
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void *code;
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ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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ffi_type * cl_arg_types[2];
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_Complex T_C_TYPE res;
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cl_arg_types[0] = &T_FFI_TYPE;
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cl_arg_types[1] = NULL;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&T_FFI_TYPE, cl_arg_types) == FFI_OK);
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CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_complex_fn, NULL, code) == FFI_OK);
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res = (*((cls_ret_complex)code))(0.125 + 128.0 * I);
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printf("res: %.6f,%.6fi\n", T_CONV creal (res), T_CONV cimag (res));
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CHECK (res == (0.125 + 128.0 * I));
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exit(0);
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}
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