1*1fd5a2e1SPrashanth Swaminathan /* Area: ffi_call
2*1fd5a2e1SPrashanth Swaminathan Purpose: Check return value float.
3*1fd5a2e1SPrashanth Swaminathan Limitations: none.
4*1fd5a2e1SPrashanth Swaminathan PR: none.
5*1fd5a2e1SPrashanth Swaminathan Originator: From the original ffitest.c */
6*1fd5a2e1SPrashanth Swaminathan
7*1fd5a2e1SPrashanth Swaminathan /* { dg-do run } */
8*1fd5a2e1SPrashanth Swaminathan
9*1fd5a2e1SPrashanth Swaminathan #include "ffitest.h"
10*1fd5a2e1SPrashanth Swaminathan
floating(int a,float b,double c,long double d)11*1fd5a2e1SPrashanth Swaminathan static int floating(int a, float b, double c, long double d)
12*1fd5a2e1SPrashanth Swaminathan {
13*1fd5a2e1SPrashanth Swaminathan int i;
14*1fd5a2e1SPrashanth Swaminathan
15*1fd5a2e1SPrashanth Swaminathan i = (int) ((float)a/b + ((float)c/(float)d));
16*1fd5a2e1SPrashanth Swaminathan
17*1fd5a2e1SPrashanth Swaminathan return i;
18*1fd5a2e1SPrashanth Swaminathan }
19*1fd5a2e1SPrashanth Swaminathan
main(void)20*1fd5a2e1SPrashanth Swaminathan int main (void)
21*1fd5a2e1SPrashanth Swaminathan {
22*1fd5a2e1SPrashanth Swaminathan ffi_cif cif;
23*1fd5a2e1SPrashanth Swaminathan ffi_type *args[MAX_ARGS];
24*1fd5a2e1SPrashanth Swaminathan void *values[MAX_ARGS];
25*1fd5a2e1SPrashanth Swaminathan ffi_arg rint;
26*1fd5a2e1SPrashanth Swaminathan
27*1fd5a2e1SPrashanth Swaminathan float f;
28*1fd5a2e1SPrashanth Swaminathan signed int si1;
29*1fd5a2e1SPrashanth Swaminathan double d;
30*1fd5a2e1SPrashanth Swaminathan long double ld;
31*1fd5a2e1SPrashanth Swaminathan
32*1fd5a2e1SPrashanth Swaminathan args[0] = &ffi_type_sint;
33*1fd5a2e1SPrashanth Swaminathan values[0] = &si1;
34*1fd5a2e1SPrashanth Swaminathan args[1] = &ffi_type_float;
35*1fd5a2e1SPrashanth Swaminathan values[1] = &f;
36*1fd5a2e1SPrashanth Swaminathan args[2] = &ffi_type_double;
37*1fd5a2e1SPrashanth Swaminathan values[2] = &d;
38*1fd5a2e1SPrashanth Swaminathan args[3] = &ffi_type_longdouble;
39*1fd5a2e1SPrashanth Swaminathan values[3] = &ld;
40*1fd5a2e1SPrashanth Swaminathan
41*1fd5a2e1SPrashanth Swaminathan /* Initialize the cif */
42*1fd5a2e1SPrashanth Swaminathan CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
43*1fd5a2e1SPrashanth Swaminathan &ffi_type_sint, args) == FFI_OK);
44*1fd5a2e1SPrashanth Swaminathan
45*1fd5a2e1SPrashanth Swaminathan si1 = 6;
46*1fd5a2e1SPrashanth Swaminathan f = 3.14159;
47*1fd5a2e1SPrashanth Swaminathan d = (double)1.0/(double)3.0;
48*1fd5a2e1SPrashanth Swaminathan ld = 2.71828182846L;
49*1fd5a2e1SPrashanth Swaminathan
50*1fd5a2e1SPrashanth Swaminathan floating (si1, f, d, ld);
51*1fd5a2e1SPrashanth Swaminathan
52*1fd5a2e1SPrashanth Swaminathan ffi_call(&cif, FFI_FN(floating), &rint, values);
53*1fd5a2e1SPrashanth Swaminathan
54*1fd5a2e1SPrashanth Swaminathan printf ("%d vs %d\n", (int)rint, floating (si1, f, d, ld));
55*1fd5a2e1SPrashanth Swaminathan
56*1fd5a2e1SPrashanth Swaminathan CHECK((int)rint == floating(si1, f, d, ld));
57*1fd5a2e1SPrashanth Swaminathan
58*1fd5a2e1SPrashanth Swaminathan exit (0);
59*1fd5a2e1SPrashanth Swaminathan }
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