1 /* C99 6.5.3 Unary operators.  */
2 
3 #include "dfp-dbg.h"
4 
5 #define AUTO_INCREASE_DECREASE(TYPE,SUFFIX)   		\
6 do                                            		\
7 {                                             		\
8   _Decimal##TYPE in_de_d##TYPE = 0.0##SUFFIX;		\
9   if (in_de_d##TYPE++) FAILURE				\
10   if (--in_de_d##TYPE) FAILURE				\
11   if (++in_de_d##TYPE == 0.0##SUFFIX) FAILURE		\
12   if (in_de_d##TYPE-- == 0.0##SUFFIX) FAILURE		\
13 } while(0)
14 
15 #define UNARY_OPERATOR(TYPE,SUFFIX)           		\
16 do                                            		\
17 {                                             		\
18  _Decimal##TYPE unary_d##TYPE = 1.0##SUFFIX;		\
19  _Decimal##TYPE* unary_dp##TYPE;              		\
20  /*  & operator.  */                          		\
21  unary_dp##TYPE = &(unary_d##TYPE);           		\
22  /*  * operator.  */                          		\
23  unary_d##TYPE = *(unary_dp##TYPE);           		\
24  /*  - operator.  */                          		\
25  unary_d##TYPE = -unary_d##TYPE;              		\
26  if (unary_d##TYPE != -1.0##SUFFIX) FAILURE		\
27  /*  + operator.  */                          		\
28  unary_d##TYPE = +unary_d##TYPE;              		\
29  if (unary_d##TYPE != -1.0##SUFFIX) FAILURE		\
30  if (!unary_d##TYPE) FAILURE	/*! operator.  */ 	\
31 } while (0)
32 
33 int
main()34 main ()
35 {
36   /*  C99 6.5.3.1 Prefix increment and decrement operators. */
37   AUTO_INCREASE_DECREASE(32, DF);
38   AUTO_INCREASE_DECREASE(64, DD);
39   AUTO_INCREASE_DECREASE(128, DL);
40 
41   /*  C99 6.5.3 Unary operators.  */
42   UNARY_OPERATOR(32, DF);
43   UNARY_OPERATOR(64, DD);
44   UNARY_OPERATOR(128, DL);
45 
46   /*  C99 6.5.3 Unary operators for zero values.  */
47   if (- +0.df != -0.df) FAILURE
48   if (+ -0.df != -0.df) FAILURE
49   if (- -0.df != +0.df) FAILURE
50 
51   FINISH
52 }
53