1 /* { dg-options "-std=gnu99" } */
2 /* { dg-do run } */
3
4 #include <stdfix.h>
5
6 extern void abort (void);
7
8 typedef short _Fract fx_hr_t;
9 typedef _Fract fx_r_t;
10 typedef long _Fract fx_lr_t;
11 typedef long long _Fract fx_llr_t;
12
13 typedef unsigned short _Fract fx_uhr_t;
14 typedef unsigned _Fract fx_ur_t;
15 typedef unsigned long _Fract fx_ulr_t;
16 typedef unsigned long long _Fract fx_ullr_t;
17
18 typedef short _Accum fx_hk_t;
19 typedef _Accum fx_k_t;
20 typedef long _Accum fx_lk_t;
21 typedef long long _Accum fx_llk_t;
22
23 typedef unsigned short _Accum fx_uhk_t;
24 typedef unsigned _Accum fx_uk_t;
25 typedef unsigned long _Accum fx_ulk_t;
26 typedef unsigned long long _Accum fx_ullk_t;
27
28
29 typedef unsigned char int_uhr_t;
30 typedef unsigned int int_ur_t;
31 typedef unsigned long int_ulr_t;
32 typedef unsigned long long int_ullr_t;
33
34 typedef unsigned int int_uhk_t;
35 typedef unsigned long int_uk_t;
36 typedef unsigned long long int_ulk_t;
37 typedef unsigned long long int_ullk_t;
38
39
40 #define DEFTEST1(T,FX) \
41 T test1_##FX (T x, int rp) \
42 { \
43 return round##FX (x, rp); \
44 } \
45 \
46 unsigned T test1_u##FX (unsigned T x, int rp) \
47 { \
48 return roundu##FX (x, rp); \
49 }
50
DEFTEST1(short fract,hr)51 DEFTEST1 (short fract, hr)
52 DEFTEST1 (fract, r)
53 DEFTEST1 (long fract, lr)
54 DEFTEST1 (long long fract, llr)
55
56 DEFTEST1 (short accum, hk)
57 DEFTEST1 (accum, k)
58
59 DEFTEST1 (long accum, lk)
60 DEFTEST1 (long long accum, llk)
61
62
63 #define TEST2(FX, RP, VAL, ROUND) \
64 { \
65 if (round##FX (FX##bits (VAL), RP) != FX##bits (ROUND)) \
66 abort(); \
67 fx_##FX##_t (*f)(fx_##FX##_t,int) = round##FX; \
68 asm ("" : "+r" (f)); \
69 if (f (FX##bits (VAL), RP) != FX##bits (ROUND)) \
70 abort(); \
71 }
72
73 static void test2hr (void)
74 {
75 TEST2 (hr, 1, 0x7f, 0x7f);
76 TEST2 (hr, 2, 0x70, 0x7f);
77 TEST2 (hr, 3, 0x78, 0x7f);
78 TEST2 (hr, 4, 0x7f, 0x7f);
79
80 TEST2 (uhr, 1, 0x7f, 0x80);
81 TEST2 (uhr, 2, 0x7f, 0x80);
82 TEST2 (uhr, 3, 0x7f, 0x80);
83 TEST2 (uhr, 4, 0x7f, 0x80);
84 }
85
test2k(void)86 void test2k (void)
87 {
88 TEST2 (k, 1, 0x7fffff00, 0x7fffffff);
89 TEST2 (k, 2, 0x7ffffff0, 0x7fffffff);
90 TEST2 (k, 2, 0x7ffff000, 0x7fffffff);
91 TEST2 (k, 3, 0x7ffff000, 0x7ffff000);
92 TEST2 (k, 3, 0x7ffff800, 0x7fffffff);
93 TEST2 (k, 3, 0x7ffff7ff, 0x7ffff000);
94 TEST2 (k, 4, 0x7ffff7ff, 0x7ffff800);
95
96 TEST2 (uk, 1, 0x7fffffff, 1ul << 31);
97 TEST2 (uk, 2, 0x7fffffff, 1ul << 31);
98 TEST2 (uk, 3, 0x7fffffff, 1ul << 31);
99 TEST2 (uk, 4, 0x7fffffff, 1ul << 31);
100 }
101
102 #define DEFTEST3(FX, FBIT) \
103 void test3##FX (void) \
104 { \
105 TEST2 (FX, FBIT-1, 0b01100, 0b01100); \
106 TEST2 (FX, FBIT-2, 0b01100, 0b01100); \
107 TEST2 (FX, FBIT-3, 0b01100, 0b10000); \
108 TEST2 (FX, FBIT-4, 0b01100, 0b10000); \
109 TEST2 (FX, FBIT-5, 0b01100, 0); \
110 \
111 if (FX##bits ((int_##FX##_t) -1) > 0) \
112 return; \
113 \
114 TEST2 (FX, FBIT-1, -0b01100, -0b01100); \
115 TEST2 (FX, FBIT-2, -0b01100, -0b01100); \
116 TEST2 (FX, FBIT-3, -0b01100, -0b01000); \
117 TEST2 (FX, FBIT-4, -0b01100, -0b10000); \
118 TEST2 (FX, FBIT-5, -0b01100, -0b00000); \
119 }
120
DEFTEST3(hr,SFRACT_FBIT)121 DEFTEST3 (hr, SFRACT_FBIT)
122 DEFTEST3 (r, FRACT_FBIT)
123 DEFTEST3 (lr, LFRACT_FBIT)
124
125 DEFTEST3 (uhr, USFRACT_FBIT)
126 DEFTEST3 (ur, UFRACT_FBIT)
127 DEFTEST3 (ulr, ULFRACT_FBIT)
128
129 DEFTEST3 (hk, SACCUM_FBIT)
130 DEFTEST3 (k, ACCUM_FBIT)
131 DEFTEST3 (lk, LACCUM_FBIT)
132 DEFTEST3 (llk, LLACCUM_FBIT)
133
134 DEFTEST3 (uhk, USACCUM_FBIT)
135 DEFTEST3 (uk, UACCUM_FBIT)
136 DEFTEST3 (ulk, ULACCUM_FBIT)
137 DEFTEST3 (ullk, ULLACCUM_FBIT)
138
139 int main (void)
140 {
141 test2hr();
142 test2k();
143
144 test3hr();
145 test3r();
146 test3lr();
147
148 test3uhr();
149 test3ur();
150 test3ulr();
151
152 test3hk();
153 test3k();
154 test3lk();
155 test3llk();
156
157 test3uhk();
158 test3uk();
159 test3ulk();
160 test3ullk();
161
162 return 0;
163 }
164
165