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25#ifndef __MATH_EMU_QUAD_H__
26#define __MATH_EMU_QUAD_H__
27
28#if _FP_W_TYPE_SIZE < 32
29#error "Here's a nickel, kid. Go buy yourself a real computer."
30#endif
31
32#if _FP_W_TYPE_SIZE < 64
33#define _FP_FRACTBITS_Q (4*_FP_W_TYPE_SIZE)
34#else
35#define _FP_FRACTBITS_Q (2*_FP_W_TYPE_SIZE)
36#endif
37
38#define _FP_FRACBITS_Q 113
39#define _FP_FRACXBITS_Q (_FP_FRACTBITS_Q - _FP_FRACBITS_Q)
40#define _FP_WFRACBITS_Q (_FP_WORKBITS + _FP_FRACBITS_Q)
41#define _FP_WFRACXBITS_Q (_FP_FRACTBITS_Q - _FP_WFRACBITS_Q)
42#define _FP_EXPBITS_Q 15
43#define _FP_EXPBIAS_Q 16383
44#define _FP_EXPMAX_Q 32767
45
46#define _FP_QNANBIT_Q \
47 ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-2) % _FP_W_TYPE_SIZE)
48#define _FP_IMPLBIT_Q \
49 ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-1) % _FP_W_TYPE_SIZE)
50#define _FP_OVERFLOW_Q \
51 ((_FP_W_TYPE)1 << (_FP_WFRACBITS_Q % _FP_W_TYPE_SIZE))
52
53#if _FP_W_TYPE_SIZE < 64
54
55union _FP_UNION_Q
56{
57 long double flt;
58 struct
59 {
60#if __BYTE_ORDER == __BIG_ENDIAN
61 unsigned sign : 1;
62 unsigned exp : _FP_EXPBITS_Q;
63 unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
64 unsigned long frac2 : _FP_W_TYPE_SIZE;
65 unsigned long frac1 : _FP_W_TYPE_SIZE;
66 unsigned long frac0 : _FP_W_TYPE_SIZE;
67#else
68 unsigned long frac0 : _FP_W_TYPE_SIZE;
69 unsigned long frac1 : _FP_W_TYPE_SIZE;
70 unsigned long frac2 : _FP_W_TYPE_SIZE;
71 unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
72 unsigned exp : _FP_EXPBITS_Q;
73 unsigned sign : 1;
74#endif
75 } bits __attribute__((packed));
76};
77
78
79#define FP_DECL_Q(X) _FP_DECL(4,X)
80#define FP_UNPACK_RAW_Q(X,val) _FP_UNPACK_RAW_4(Q,X,val)
81#define FP_UNPACK_RAW_QP(X,val) _FP_UNPACK_RAW_4_P(Q,X,val)
82#define FP_PACK_RAW_Q(val,X) _FP_PACK_RAW_4(Q,val,X)
83#define FP_PACK_RAW_QP(val,X) \
84 do { \
85 if (!FP_INHIBIT_RESULTS) \
86 _FP_PACK_RAW_4_P(Q,val,X); \
87 } while (0)
88
89#define FP_UNPACK_Q(X,val) \
90 do { \
91 _FP_UNPACK_RAW_4(Q,X,val); \
92 _FP_UNPACK_CANONICAL(Q,4,X); \
93 } while (0)
94
95#define FP_UNPACK_QP(X,val) \
96 do { \
97 _FP_UNPACK_RAW_4_P(Q,X,val); \
98 _FP_UNPACK_CANONICAL(Q,4,X); \
99 } while (0)
100
101#define FP_PACK_Q(val,X) \
102 do { \
103 _FP_PACK_CANONICAL(Q,4,X); \
104 _FP_PACK_RAW_4(Q,val,X); \
105 } while (0)
106
107#define FP_PACK_QP(val,X) \
108 do { \
109 _FP_PACK_CANONICAL(Q,4,X); \
110 if (!FP_INHIBIT_RESULTS) \
111 _FP_PACK_RAW_4_P(Q,val,X); \
112 } while (0)
113
114#define FP_ISSIGNAN_Q(X) _FP_ISSIGNAN(Q,4,X)
115#define FP_NEG_Q(R,X) _FP_NEG(Q,4,R,X)
116#define FP_ADD_Q(R,X,Y) _FP_ADD(Q,4,R,X,Y)
117#define FP_SUB_Q(R,X,Y) _FP_SUB(Q,4,R,X,Y)
118#define FP_MUL_Q(R,X,Y) _FP_MUL(Q,4,R,X,Y)
119#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,4,R,X,Y)
120#define FP_SQRT_Q(R,X) _FP_SQRT(Q,4,R,X)
121#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_4(R,S,T,X,Q)
122
123#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,4,r,X,Y,un)
124#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,4,r,X,Y)
125
126#define FP_TO_INT_Q(r,X,rsz,rsg) _FP_TO_INT(Q,4,r,X,rsz,rsg)
127#define FP_TO_INT_ROUND_Q(r,X,rsz,rsg) _FP_TO_INT_ROUND(Q,4,r,X,rsz,rsg)
128#define FP_FROM_INT_Q(X,r,rs,rt) _FP_FROM_INT(Q,4,X,r,rs,rt)
129
130#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_4(X)
131#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_4(X)
132
133#else
134union _FP_UNION_Q
135{
136 long double flt ;
137 struct {
138#if __BYTE_ORDER == __BIG_ENDIAN
139 unsigned sign : 1;
140 unsigned exp : _FP_EXPBITS_Q;
141 unsigned long frac1 : _FP_FRACBITS_Q-(_FP_IMPLBIT_Q != 0)-_FP_W_TYPE_SIZE;
142 unsigned long frac0 : _FP_W_TYPE_SIZE;
143#else
144 unsigned long frac0 : _FP_W_TYPE_SIZE;
145 unsigned long frac1 : _FP_FRACBITS_Q-(_FP_IMPLBIT_Q != 0)-_FP_W_TYPE_SIZE;
146 unsigned exp : _FP_EXPBITS_Q;
147 unsigned sign : 1;
148#endif
149 } bits;
150};
151
152#define FP_DECL_Q(X) _FP_DECL(2,X)
153#define FP_UNPACK_RAW_Q(X,val) _FP_UNPACK_RAW_2(Q,X,val)
154#define FP_UNPACK_RAW_QP(X,val) _FP_UNPACK_RAW_2_P(Q,X,val)
155#define FP_PACK_RAW_Q(val,X) _FP_PACK_RAW_2(Q,val,X)
156#define FP_PACK_RAW_QP(val,X) \
157 do { \
158 if (!FP_INHIBIT_RESULTS) \
159 _FP_PACK_RAW_2_P(Q,val,X); \
160 } while (0)
161
162#define FP_UNPACK_Q(X,val) \
163 do { \
164 _FP_UNPACK_RAW_2(Q,X,val); \
165 _FP_UNPACK_CANONICAL(Q,2,X); \
166 } while (0)
167
168#define FP_UNPACK_QP(X,val) \
169 do { \
170 _FP_UNPACK_RAW_2_P(Q,X,val); \
171 _FP_UNPACK_CANONICAL(Q,2,X); \
172 } while (0)
173
174#define FP_PACK_Q(val,X) \
175 do { \
176 _FP_PACK_CANONICAL(Q,2,X); \
177 _FP_PACK_RAW_2(Q,val,X); \
178 } while (0)
179
180#define FP_PACK_QP(val,X) \
181 do { \
182 _FP_PACK_CANONICAL(Q,2,X); \
183 if (!FP_INHIBIT_RESULTS) \
184 _FP_PACK_RAW_2_P(Q,val,X); \
185 } while (0)
186
187#define FP_ISSIGNAN_Q(X) _FP_ISSIGNAN(Q,2,X)
188#define FP_NEG_Q(R,X) _FP_NEG(Q,2,R,X)
189#define FP_ADD_Q(R,X,Y) _FP_ADD(Q,2,R,X,Y)
190#define FP_SUB_Q(R,X,Y) _FP_SUB(Q,2,R,X,Y)
191#define FP_MUL_Q(R,X,Y) _FP_MUL(Q,2,R,X,Y)
192#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,2,R,X,Y)
193#define FP_SQRT_Q(R,X) _FP_SQRT(Q,2,R,X)
194#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q)
195
196#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,2,r,X,Y,un)
197#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,2,r,X,Y)
198
199#define FP_TO_INT_Q(r,X,rsz,rsg) _FP_TO_INT(Q,2,r,X,rsz,rsg)
200#define FP_TO_INT_ROUND_Q(r,X,rsz,rsg) _FP_TO_INT_ROUND(Q,2,r,X,rsz,rsg)
201#define FP_FROM_INT_Q(X,r,rs,rt) _FP_FROM_INT(Q,2,X,r,rs,rt)
202
203#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_2(X)
204#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_2(X)
205
206#endif
207
208#endif
209
