1 /* { dg-do run } */
2 /* { dg-options "-std=gnu99" } */
3 
4 /* N1169 6.5.7 - Bitwise shift operands.
5    C99 6.5.5 Multiplicative operators.
6    C99 6.5.6 Additive operators.
7    C99 6.5.7 Bitwise shift operators.
8    C99 6.5.8 Relational operators.
9    C99 6.5.9 Equality operators.
10    C99 6.5.16 Assignment operators.
11 
12    Check binary operators + - * / << >> < <= >= > == != += -= *= /= <<= >>=.  */
13 
14 extern void abort (void);
15 
16 #define BINARY(TYPE,POSTFIX) \
17   { TYPE a = 0.5 ## POSTFIX; \
18     TYPE b = 0.25 ## POSTFIX; \
19     if (a + b != 0.75 ## POSTFIX) \
20       abort(); \
21     if (a - b != 0.25 ## POSTFIX) \
22       abort(); \
23     if (a * b != 0.125 ## POSTFIX) \
24       abort(); \
25     if (b / a != 0.5 ## POSTFIX) \
26       abort(); \
27     if (b << 1 != a) \
28       abort(); \
29     if (a >> 1 != b) \
30       abort(); \
31     if (a < b != 0) \
32       abort(); \
33     if (a <= b != 0) \
34       abort(); \
35     if (a > b != 1) \
36       abort(); \
37     if (a >= b != 1) \
38       abort(); \
39     if (a == b != 0) \
40       abort(); \
41     if (a != b != 1) \
42       abort(); \
43     a += b; \
44     if (a != 0.75 ## POSTFIX) \
45       abort(); \
46     a -= b; \
47     if (a != 0.5 ## POSTFIX) \
48       abort(); \
49     a *= b; \
50     if (a != 0.125 ## POSTFIX) \
51       abort(); \
52     a /= b; \
53     if (a != 0.5 ## POSTFIX) \
54       abort(); \
55     a >>= 2; \
56     if (a != 0.125 ## POSTFIX) \
57       abort(); \
58     a <<= 1; \
59     if (a != 0.25 ## POSTFIX) \
60       abort(); \
61   }
62 
63 #define FRACT_SAT_BINARY(TYPE,POSTFIX) \
64   { TYPE a = 0.7 ## POSTFIX; \
65     TYPE b = 0.9 ## POSTFIX; \
66     if (a + b != 1.0 ## POSTFIX) \
67       abort(); \
68     a = -0.7 ## POSTFIX; \
69     b = -0.9 ## POSTFIX; \
70     if (a + b != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
71       abort(); \
72     a = 0.7 ## POSTFIX; \
73     b = -0.9 ## POSTFIX; \
74     if (a - b != 1.0 ## POSTFIX) \
75       abort(); \
76     a = -0.7 ## POSTFIX; \
77     b = 0.9 ## POSTFIX; \
78     if (a - b != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
79       abort(); \
80     a = -0.5 ## POSTFIX - 0.5 ## POSTFIX; \
81     if (a * a != 1.0 ## POSTFIX) \
82       abort(); \
83     a = 0.8 ## POSTFIX; \
84     b = 0.5 ## POSTFIX; \
85     if (a / b != 1.0 ## POSTFIX) \
86       abort(); \
87     a = -0.8 ## POSTFIX; \
88     b = 0.5 ## POSTFIX; \
89     if (a / b != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
90       abort(); \
91     a = 0.1 ## POSTFIX; \
92     if (a << 4 != 1.0 ## POSTFIX) \
93       abort(); \
94     a = -0.8 ## POSTFIX; \
95     if (a << 4 != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
96       abort(); \
97   }
98 
99 #define FRACT_SAT_UNS_BINARY(TYPE,POSTFIX) \
100   { TYPE a = 0.7 ## POSTFIX; \
101     TYPE b = 0.9 ## POSTFIX; \
102     if (a + b != 1.0 ## POSTFIX) \
103       abort(); \
104     if (a - b != 0.0 ## POSTFIX) \
105       abort(); \
106     if (b / a != 1.0 ## POSTFIX) \
107       abort(); \
108     if (a << 1 != 1.0 ## POSTFIX) \
109       abort(); \
110   }
111 
main()112 int main ()
113 {
114   BINARY(short _Fract, hr);
115   BINARY(_Fract, r);
116   BINARY(long _Fract, lr);
117   BINARY(long long _Fract, llr);
118   BINARY(unsigned short _Fract, uhr);
119   BINARY(unsigned _Fract, ur);
120   BINARY(unsigned long _Fract, ulr);
121   BINARY(unsigned long long _Fract, ullr);
122   BINARY(_Sat short _Fract, hr);
123   BINARY(_Sat _Fract, r);
124   BINARY(_Sat long _Fract, lr);
125   BINARY(_Sat long long _Fract, llr);
126   BINARY(_Sat unsigned short _Fract, uhr);
127   BINARY(_Sat unsigned _Fract, ur);
128   BINARY(_Sat unsigned long _Fract, ulr);
129   BINARY(_Sat unsigned long long _Fract, ullr);
130   BINARY(short _Accum, hk);
131   BINARY(_Accum, k);
132   BINARY(long _Accum, lk);
133   BINARY(long long _Accum, llk);
134   BINARY(unsigned short _Accum, uhk);
135   BINARY(unsigned _Accum, uk);
136   BINARY(unsigned long _Accum, ulk);
137   BINARY(unsigned long long _Accum, ullk);
138   BINARY(_Sat short _Accum, hk);
139   BINARY(_Sat _Accum, k);
140   BINARY(_Sat long _Accum, lk);
141   BINARY(_Sat long long _Accum, llk);
142   BINARY(_Sat unsigned short _Accum, uhk);
143   BINARY(_Sat unsigned _Accum, uk);
144   BINARY(_Sat unsigned long _Accum, ulk);
145   BINARY(_Sat unsigned long long _Accum, ullk);
146 
147   FRACT_SAT_BINARY(_Sat short _Fract, hr);
148   FRACT_SAT_BINARY(_Sat _Fract, r);
149   FRACT_SAT_BINARY(_Sat long _Fract, lr);
150   FRACT_SAT_BINARY(_Sat long long _Fract, llr);
151 
152   FRACT_SAT_UNS_BINARY(_Sat unsigned short _Fract, uhr);
153   FRACT_SAT_UNS_BINARY(_Sat unsigned _Fract, ur);
154   FRACT_SAT_UNS_BINARY(_Sat unsigned long _Fract, ulr);
155   FRACT_SAT_UNS_BINARY(_Sat unsigned long long _Fract, ullr);
156 
157   return 0;
158 }
159