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37 lines
751 B
C
37 lines
751 B
C
/* Area: ffi_call
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Purpose: Check return value double.
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Limitations: none.
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PR: none.
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Originator: <andreast@gcc.gnu.org> 20050212 */
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/* { dg-do run } */
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#include "ffitest.h"
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static double return_dbl(double dbl)
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{
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printf ("%f\n", dbl);
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return 2 * dbl;
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}
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int main (void)
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{
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ffi_cif cif;
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ffi_type *args[MAX_ARGS];
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void *values[MAX_ARGS];
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double dbl, rdbl;
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args[0] = &ffi_type_double;
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values[0] = &dbl;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&ffi_type_double, args) == FFI_OK);
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for (dbl = -127.3; dbl < 127; dbl++)
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{
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ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);
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printf ("%f vs %f\n", rdbl, return_dbl(dbl));
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CHECK(rdbl == 2 * dbl);
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}
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exit(0);
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}
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