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/* { dg-options "-std=gnu99" } */

/* C99 6.5.3 Unary operators.  */

extern void abort (void);

#define AUTO_INCREASE_DECREASE(TYPE,SUFFIX)             \

do                                                      \

{                                                       \

  _Decimal##TYPE in_de_d##TYPE = 0.0##SUFFIX;           \

  if (in_de_d##TYPE++) abort ();                        \

  if (--in_de_d##TYPE) abort ();                        \

  if (++in_de_d##TYPE == 0.0##SUFFIX) abort ();         \

  if (in_de_d##TYPE-- == 0.0##SUFFIX) abort ();         \

} while(0)

#define UNARY_OPERATOR(TYPE,SUFFIX)                     \

do                                                      \

{                                                       \

 _Decimal##TYPE unary_d##TYPE = 1.0##SUFFIX;            \

 _Decimal##TYPE* unary_dp##TYPE;                        \

 /*  & operator.  */                                    \

 unary_dp##TYPE = &(unary_d##TYPE);                     \

 /*  * operator.  */                                    \

 unary_d##TYPE = *(unary_dp##TYPE);                     \

 /*  - operator.  */                                    \

 unary_d##TYPE = -unary_d##TYPE;                        \

 if (unary_d##TYPE != -1.0##SUFFIX) abort ();           \

 /*  + operator.  */                                    \

 unary_d##TYPE = +unary_d##TYPE;                        \

 if (unary_d##TYPE != -1.0##SUFFIX) abort ();           \

 if (!unary_d##TYPE) abort (); /*! operator.  */        \

} while (0)

int

main ()

{

  /*  C99 6.5.3.1 Prefix increment and decrement operators. */

  AUTO_INCREASE_DECREASE(32, DF);

  AUTO_INCREASE_DECREASE(64, DD);

  AUTO_INCREASE_DECREASE(128, DL);

  /*  C99 6.5.3 Unary operators.  */

  UNARY_OPERATOR(32, DF);

  UNARY_OPERATOR(64, DD);

  UNARY_OPERATOR(128, DL);

  /*  C99 6.5.3 Unary operators for zero values.  */

  if (- +0.df != -0.df) abort ();

  if (+ -0.df != -0.df) abort ();

  if (- -0.df != +0.df) abort ();

  return 0;

}