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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [float3.c] - Blame information for rev 732

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Line No. Rev Author Line
1 732 jeremybenn
/* Area:        ffi_call
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   Purpose:     Check float arguments with different orders.
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   Limitations: none.
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   PR:          none.
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   Originator:  From the original ffitest.c  */
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/* { dg-do run } */
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#include "ffitest.h"
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#include "float.h"
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static double floating_1(float a, double b, long double c)
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{
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  return (double) a + b + (double) c;
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}
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static double floating_2(long double a, double b, float c)
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{
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  return (double) a + b + (double) c;
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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 rd;
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  float f;
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  double d;
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  long double ld;
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  args[0] = &ffi_type_float;
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  values[0] = &f;
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  args[1] = &ffi_type_double;
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  values[1] = &d;
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  args[2] = &ffi_type_longdouble;
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  values[2] = &ld;
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  /* Initialize the cif */
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
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                     &ffi_type_double, args) == FFI_OK);
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  f = 3.14159;
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  d = (double)1.0/(double)3.0;
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  ld = 2.71828182846L;
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  floating_1 (f, d, ld);
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  ffi_call(&cif, FFI_FN(floating_1), &rd, values);
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  CHECK(rd - floating_1(f, d, ld) < DBL_EPSILON);
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  args[0] = &ffi_type_longdouble;
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  values[0] = &ld;
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  args[1] = &ffi_type_double;
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  values[1] = &d;
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  args[2] = &ffi_type_float;
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  values[2] = &f;
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  /* Initialize the cif */
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
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                     &ffi_type_double, args) == FFI_OK);
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  floating_2 (ld, d, f);
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  ffi_call(&cif, FFI_FN(floating_2), &rd, values);
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  CHECK(rd - floating_2(ld, d, f) < DBL_EPSILON);
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  exit (0);
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}

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