1 /* Area:	ffi_call
2    Purpose:	Check float arguments with different orders.
3    Limitations:	none.
4    PR:		none.
5    Originator:	From the original ffitest.c  */
6 
7 /* { dg-do run } */
8 
9 #include "ffitest.h"
10 #include "float.h"
11 
floating_1(float a,double b,long double c)12 static double floating_1(float a, double b, long double c)
13 {
14   return (double) a + b + (double) c;
15 }
16 
floating_2(long double a,double b,float c)17 static double floating_2(long double a, double b, float c)
18 {
19   return (double) a + b + (double) c;
20 }
21 
main(void)22 int main (void)
23 {
24   ffi_cif cif;
25   ffi_type *args[MAX_ARGS];
26   void *values[MAX_ARGS];
27   double rd;
28 
29   float f;
30   double d;
31   long double ld;
32 
33   args[0] = &ffi_type_float;
34   values[0] = &f;
35   args[1] = &ffi_type_double;
36   values[1] = &d;
37   args[2] = &ffi_type_longdouble;
38   values[2] = &ld;
39 
40   /* Initialize the cif */
41   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
42 		     &ffi_type_double, args) == FFI_OK);
43 
44   f = 3.14159;
45   d = (double)1.0/(double)3.0;
46   ld = 2.71828182846L;
47 
48   floating_1 (f, d, ld);
49 
50   ffi_call(&cif, FFI_FN(floating_1), &rd, values);
51 
52   CHECK(rd - floating_1(f, d, ld) < DBL_EPSILON);
53 
54   args[0] = &ffi_type_longdouble;
55   values[0] = &ld;
56   args[1] = &ffi_type_double;
57   values[1] = &d;
58   args[2] = &ffi_type_float;
59   values[2] = &f;
60 
61   /* Initialize the cif */
62   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
63 		     &ffi_type_double, args) == FFI_OK);
64 
65   floating_2 (ld, d, f);
66 
67   ffi_call(&cif, FFI_FN(floating_2), &rd, values);
68 
69   CHECK(rd - floating_2(ld, d, f) < DBL_EPSILON);
70 
71   exit (0);
72 }
73