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/* { dg-do run } */

/* { dg-options "-O" } */

/* DFP TR 24732 == WG14 / N1176, N1312 */

/* Based on a test from Fred Tydeman.  */

#include "dfp-dbg.h"

/* Test runtime computations.  */

void

runtime32 (void)

{

  volatile float v1 = 28.f, v2 = 3.f, v3 = 9.f, v4 = 31.f, v5 = 3.f, v6 = 10.f;

  float      b32 = (float)((v1/v2-v3) - (v4/v5-v6));

  _Decimal32 d32 = (float)((v1/v2-v3) - (v4/v5-v6));

  if (b32)

    FAILURE

  if (d32)

    FAILURE

}

void

runtime64 (void)

{

  volatile double v1 = 28., v2 = 3., v3 = 9., v4 = 31., v5 = 3., v6 = 10.;

  double     b64 = (double)((v1/v2-v3) - (v4/v5-v6));

  _Decimal64 d64 = (double)((v1/v2-v3) - (v4/v5-v6));

  if (b64)

    FAILURE

  if (d64)

    FAILURE

}

void

runtime128 (void)

{

  volatile long double v1 = 28.l, v2 = 3.l, v3 = 9.l,

                       v4 = 31.l, v5 = 3.l, v6 = 10.l;

  long double b128 = (long double)((v1/v2-v3) - (v4/v5-v6));

  _Decimal128 d128 = (long double)((v1/v2-v3) - (v4/v5-v6));

  if (b128)

    FAILURE

  if (d128)

    FAILURE

}

/* Test constant folding.  */

void

fold32 (void)

{

  double     d32 = (float)((28.f/3.f-9.f) - (31.f/3.f-10.f));

  _Decimal32 b32 = (float)((28.f/3.f-9.f) - (31.f/3.f-10.f));

  if (b32)

    FAILURE

  if (d32)

    FAILURE

}

void

fold64 (void)

{

  double     b64 = (double)((28./3.-9.) - (31./3.-10.));

  _Decimal64 d64 = (double)((28./3.-9.) - (31./3.-10.));

  if (b64)

    FAILURE

  if (d64)

    FAILURE

}

void

fold128 (void)

{

  long double b128 = (long double)((28./3.-9.) - (31./3.-10.));

  _Decimal128 d128 = (long double)((28./3.-9.) - (31./3.-10.));

  if (b128)

    FAILURE

  if (d128)

    FAILURE

}

int

main ()

{

  runtime32 ();

  runtime64 ();

  runtime128 ();

  fold32 ();

  fold64 ();

  fold128 ();

  FINISH

}