c3-lang/libffi/testsuite/libffi.complex/cls_complex_va.inc

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• Hash : c952a92e
  Author :
  Date : 2014-11-14T11:00:14
  

  testsuite: Move complex tests to their own subdirectory It seems a bit silly to isolate them by globbing vs "*complex*" when we can just as easily put them in their own subdirectory.

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• testsuite/libffi.complex/cls_complex_va.inc

• /* -*-c-*- */
  #include "ffitest.h"
  #include <stdio.h>
  #include <stdlib.h>
  #include <stdarg.h>
  #include <complex.h>
  
  static _Complex T_C_TYPE gComplexValue1 = 1 + 2 * I;
  static _Complex T_C_TYPE gComplexValue2 = 3 + 4 * I;
  
  static int cls_variadic(const char *format, ...)
  {
    va_list ap;
    _Complex T_C_TYPE p1, p2;
  
    va_start (ap, format);
    p1 = va_arg (ap, _Complex T_C_TYPE);
    p2 = va_arg (ap, _Complex T_C_TYPE);
    va_end (ap);
  
    return printf(format, T_CONV creal (p1), T_CONV cimag (p1),
  		T_CONV creal (p2), T_CONV cimag (p2));
  }
  
  static void
  cls_complex_va_fn(ffi_cif* cif __UNUSED__, void* resp,
  		  void** args, void* userdata __UNUSED__)
  {
    char*	format = *(char**)args[0];
    gComplexValue1 = *(_Complex T_C_TYPE*)args[1];
    gComplexValue2 = *(_Complex T_C_TYPE*)args[2];
  
    *(ffi_arg*)resp =
      printf(format,
  	   T_CONV creal (gComplexValue1), T_CONV cimag (gComplexValue1),
  	   T_CONV creal (gComplexValue2), T_CONV cimag (gComplexValue2));
  }
  
  int main (void)
  {
    ffi_cif cif;
    void *code;
    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    void* args[4];
    ffi_type* arg_types[4];
    char *format = "%.1f,%.1fi %.1f,%.1fi\n";
  
    _Complex T_C_TYPE complexArg1 = 1.0 + 22.0 *I;
    _Complex T_C_TYPE complexArg2 = 333.0 + 4444.0 *I;
    ffi_arg res = 0;
  
    arg_types[0] = &ffi_type_pointer;
    arg_types[1] = &T_FFI_TYPE;
    arg_types[2] = &T_FFI_TYPE;
    arg_types[3] = NULL;
  
    /* This printf call is variadic */
    CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 3, &ffi_type_sint,
  			 arg_types) == FFI_OK);
  
    args[0] = &format;
    args[1] = &complexArg1;
    args[2] = &complexArg2;
    args[3] = NULL;
  
    ffi_call(&cif, FFI_FN(cls_variadic), &res, args);
    printf("res: %d\n", (int) res);
    CHECK (res == 24);
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_complex_va_fn, NULL, code)
  	== FFI_OK);
  
    res = ((int(*)(char *, ...))(code))(format, complexArg1, complexArg2);
    CHECK (gComplexValue1 == complexArg1);
    CHECK (gComplexValue2 == complexArg2);
    printf("res: %d\n", (int) res);
    CHECK (res == 24);
  
    exit(0);
  }
  

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