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      1 /* Area:	closure_call
      2    Purpose:	Check closures called with many args of mixed types
      3    Limitations:	none.
      4    PR:		none.
      5    Originator:	<david.schneider (at) picle.org> */
      6 
      7 /* { dg-do run } */
      8 #include "ffitest.h"
      9 #include <float.h>
     10 #include <math.h>
     11 
     12 #define NARGS 16
     13 
     14 static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
     15 			      void* userdata __UNUSED__)
     16 {
     17   int i;
     18   double r = 0;
     19   double t;
     20   for(i = 0; i < NARGS; i++)
     21     {
     22     if(i == 4 || i == 9 || i == 11 || i == 13 || i == 15)
     23       {
     24       t = *(long int *)args[i];
     25       CHECK(t == i+1);
     26       }
     27     else
     28       {
     29       t = *(double *)args[i];
     30       CHECK(fabs(t - ((i+1) * 0.1)) < FLT_EPSILON);
     31       }
     32     r += t;
     33     }
     34   *(double *)resp = r;
     35 }
     36 typedef double (*cls_ret_double)(double, double, double, double, long int,
     37 double, double, double, double, long int, double, long int, double, long int,
     38 double, long int);
     39 
     40 int main (void)
     41 {
     42   ffi_cif cif;
     43   void *code;
     44   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
     45   ffi_type * cl_arg_types[NARGS];
     46   double res;
     47   int i;
     48   double expected = 64.9;
     49 
     50   for(i = 0; i < NARGS; i++)
     51     {
     52     if(i == 4 || i == 9 || i == 11 || i == 13 || i == 15)
     53       cl_arg_types[i] = &ffi_type_slong;
     54     else
     55       cl_arg_types[i] = &ffi_type_double;
     56     }
     57 
     58   /* Initialize the cif */
     59   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, NARGS,
     60 		     &ffi_type_double, cl_arg_types) == FFI_OK);
     61 
     62   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code) == FFI_OK);
     63 
     64   res = (((cls_ret_double)code))(0.1, 0.2, 0.3, 0.4, 5, 0.6, 0.7, 0.8, 0.9, 10,
     65                                  1.1, 12, 1.3, 14, 1.5, 16);
     66   if (abs(res - expected) < FLT_EPSILON)
     67     exit(0);
     68   else
     69     abort();
     70 }
     71