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27 #define _FP_DECL(wc, X)			\  argument
28 _FP_I_TYPE X##_c=0, X##_s=0, X##_e=0; \
29 _FP_FRAC_DECL_##wc(X)
36 #define _FP_UNPACK_CANONICAL(fs, wc, X) \ argument
38 switch (X##_e) \
41 _FP_FRAC_HIGH_RAW_##fs(X) |= _FP_IMPLBIT_##fs; \
42 _FP_FRAC_SLL_##wc(X, _FP_WORKBITS); \
43 X##_e -= _FP_EXPBIAS_##fs; \
44 X##_c = FP_CLS_NORMAL; \
48 if (_FP_FRAC_ZEROP_##wc(X)) \
49 X##_c = FP_CLS_ZERO; \
54 _FP_FRAC_CLZ_##wc(_shift, X); \
56 _FP_FRAC_SLL_##wc(X, (_shift+_FP_WORKBITS)); \
57 X##_e -= _FP_EXPBIAS_##fs - 1 + _shift; \
58 X##_c = FP_CLS_NORMAL; \
63 X##_c = FP_CLS_ZERO; \
69 if (_FP_FRAC_ZEROP_##wc(X)) \
70 X##_c = FP_CLS_INF; \
73 X##_c = FP_CLS_NAN; \
75 if (!(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \
89 #define _FP_PACK_CANONICAL(fs, wc, X) \ argument
91 switch (X##_c) \
94 X##_e += _FP_EXPBIAS_##fs; \
95 if (X##_e > 0) \
97 _FP_ROUND(wc, X); \
98 if (_FP_FRAC_OVERP_##wc(fs, X)) \
100 _FP_FRAC_CLEAR_OVERP_##wc(fs, X); \
101 X##_e++; \
103 _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \
104 if (X##_e >= _FP_EXPMAX_##fs) \
110 X##_c = FP_CLS_INF; \
113 if (!X##_s) X##_c = FP_CLS_INF; \
116 if (X##_s) X##_c = FP_CLS_INF; \
119 if (X##_c == FP_CLS_INF) \
122 X##_e = _FP_EXPMAX_##fs; \
123 _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
128 X##_e = _FP_EXPMAX_##fs - 1; \
129 _FP_FRAC_SET_##wc(X, _FP_MAXFRAC_##wc); \
138 X##_e = -X##_e + 1; \
139 if (X##_e <= _FP_WFRACBITS_##fs) \
141 _FP_FRAC_SRS_##wc(X, X##_e, _FP_WFRACBITS_##fs); \
142 if (_FP_FRAC_HIGH_##fs(X) \
145 X##_e = 1; \
146 _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
150 _FP_ROUND(wc, X); \
151 if (_FP_FRAC_HIGH_##fs(X) \
154 X##_e = 1; \
155 _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
160 X##_e = 0; \
161 _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \
171 X##_e = 0; \
172 if (!_FP_FRAC_ZEROP_##wc(X)) \
174 _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc); \
175 _FP_ROUND(wc, X); \
176 _FP_FRAC_LOW_##wc(X) >>= (_FP_WORKBITS); \
184 X##_e = 0; \
185 _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
189 X##_e = _FP_EXPMAX_##fs; \
190 _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
194 X##_e = _FP_EXPMAX_##fs; \
197 _FP_FRAC_SET_##wc(X, _FP_NANFRAC_##fs); \
198 X##_s = _FP_NANSIGN_##fs; \
201 _FP_FRAC_HIGH_RAW_##fs(X) |= _FP_QNANBIT_##fs; \
209 #define _FP_ISSIGNAN(fs, wc, X) \ argument
212 if (X##_e == _FP_EXPMAX_##fs) \
214 if (!_FP_FRAC_ZEROP_##wc(X) \
215 && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \
229 #define _FP_ADD_INTERNAL(fs, wc, R, X, Y, OP) \ argument
231 switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \
236 _FP_I_TYPE diff = X##_e - Y##_e; \
242 _FP_FRAC_SRS_##wc(X, diff, _FP_WFRACBITS_##fs); \
243 else if (!_FP_FRAC_ZEROP_##wc(X)) \
244 _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc); \
256 R##_e = X##_e; \
261 if (X##_s == Y##_s) \
263 R##_s = X##_s; \
264 _FP_FRAC_ADD_##wc(R, X, Y); \
273 R##_s = X##_s; \
274 _FP_FRAC_SUB_##wc(R, X, Y); \
288 _FP_FRAC_SUB_##wc(R, Y, X); \
306 _FP_CHOOSENAN(fs, wc, R, X, Y, OP); \
310 R##_e = X##_e; \
315 _FP_FRAC_COPY_##wc(R, X); \
316 R##_s = X##_s; \
317 R##_c = X##_c; \
332 if (X##_s != Y##_s) \
345 R##_s = X##_s; \
358 R##_s = X##_s | Y##_s; \
360 R##_s = X##_s & Y##_s; \
369 #define _FP_ADD(fs, wc, R, X, Y) _FP_ADD_INTERNAL(fs, wc, R, X, Y, '+') argument
370 #define _FP_SUB(fs, wc, R, X, Y) \ argument
373 _FP_ADD_INTERNAL(fs, wc, R, X, Y, '-'); \
382 #define _FP_NEG(fs, wc, R, X) \ argument
384 _FP_FRAC_COPY_##wc(R, X); \
385 R##_c = X##_c; \
386 R##_e = X##_e; \
387 R##_s = 1 ^ X##_s; \
395 #define _FP_MUL(fs, wc, R, X, Y) \ argument
397 R##_s = X##_s ^ Y##_s; \
398 switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \
402 R##_e = X##_e + Y##_e + 1; \
404 _FP_MUL_MEAT_##fs(R,X,Y); \
413 _FP_CHOOSENAN(fs, wc, R, X, Y, '*'); \
419 R##_s = X##_s; \
426 _FP_FRAC_COPY_##wc(R, X); \
427 R##_c = X##_c; \
460 #define _FP_DIV(fs, wc, R, X, Y) \ argument
462 R##_s = X##_s ^ Y##_s; \
463 switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \
467 R##_e = X##_e - Y##_e; \
469 _FP_DIV_MEAT_##fs(R,X,Y); \
473 _FP_CHOOSENAN(fs, wc, R, X, Y, '/'); \
479 R##_s = X##_s; \
480 _FP_FRAC_COPY_##wc(R, X); \
481 R##_c = X##_c; \
531 #define _FP_CMP(fs, wc, ret, X, Y, un) \ argument
534 if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \
544 __is_zero_x = (!X##_e && _FP_FRAC_ZEROP_##wc(X)) ? 1 : 0; \
552 ret = X##_s ? -1 : 1; \
553 else if (X##_s != Y##_s) \
554 ret = X##_s ? -1 : 1; \
555 else if (X##_e > Y##_e) \
556 ret = X##_s ? -1 : 1; \
557 else if (X##_e < Y##_e) \
558 ret = X##_s ? 1 : -1; \
559 else if (_FP_FRAC_GT_##wc(X, Y)) \
560 ret = X##_s ? -1 : 1; \
561 else if (_FP_FRAC_GT_##wc(Y, X)) \
562 ret = X##_s ? 1 : -1; \
571 #define _FP_CMP_EQ(fs, wc, ret, X, Y) \ argument
574 if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \
581 ret = !(X##_e == Y##_e \
582 && _FP_FRAC_EQ_##wc(X, Y) \
583 && (X##_s == Y##_s || !X##_e && _FP_FRAC_ZEROP_##wc(X))); \
591 #define _FP_SQRT(fs, wc, R, X) \ argument
595 switch (X##_c) \
598 _FP_FRAC_COPY_##wc(R, X); \
599 R##_s = X##_s; \
603 if (X##_s) \
617 R##_s = X##_s; \
622 if (X##_s) \
631 if (X##_e & 1) \
632 _FP_FRAC_SLL_##wc(X, 1); \
633 R##_e = X##_e >> 1; \
637 _FP_SQRT_MEAT_##wc(R, S, T, X, q); \
657 #define _FP_TO_INT(fs, wc, r, X, rsize, rsigned) \ argument
659 switch (X##_c) \
662 if (X##_e < 0) \
668 else if (X##_e >= rsize - (rsigned > 0 || X##_s) \
669 || (!rsigned && X##_s)) \
675 if (X##_c != FP_CLS_NORMAL \
676 || X##_e >= rsize - 1 + _FP_WFRACBITS_##fs) \
680 _FP_FRAC_SLL_##wc(X, (X##_e - _FP_WFRACBITS_##fs + 1)); \
681 _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
688 r -= 1 - X##_s; \
693 if (!X##_s) \
702 _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
703 r <<= X##_e - _FP_WFRACBITS_##fs; \
707 if (X##_e >= _FP_WFRACBITS_##fs) \
708 _FP_FRAC_SLL_##wc(X, (X##_e - _FP_WFRACBITS_##fs + 1)); \
709 else if (X##_e < _FP_WFRACBITS_##fs - 1) \
711 _FP_FRAC_SRS_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 2), \
713 if (_FP_FRAC_LOW_##wc(X) & 1) \
715 _FP_FRAC_SRL_##wc(X, 1); \
717 _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
719 if (rsigned && X##_s) \
726 #define _FP_TO_INT_ROUND(fs, wc, r, X, rsize, rsigned) \ argument
729 switch (X##_c) \
732 if (X##_e >= _FP_FRACBITS_##fs - 1) \
734 if (X##_e < rsize - 1 + _FP_WFRACBITS_##fs) \
736 if (X##_e >= _FP_WFRACBITS_##fs - 1) \
738 _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
739 r <<= X##_e - _FP_WFRACBITS_##fs + 1; \
743 _FP_FRAC_SRL_##wc(X, _FP_WORKBITS - X##_e \
745 _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
752 if (X##_e <= -_FP_WORKBITS - 1) \
753 _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc); \
755 _FP_FRAC_SRS_##wc(X, _FP_FRACBITS_##fs - 1 - X##_e, \
757 _FP_FRAC_CLZ_##wc(_lz0, X); \
758 _FP_ROUND(wc, X); \
759 _FP_FRAC_CLZ_##wc(_lz1, X); \
761 X##_e++; /* For overflow detection. */ \
762 _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \
763 _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
765 if (rsigned && X##_s) \
767 if (X##_e >= rsize - (rsigned > 0 || X##_s) \
768 || (!rsigned && X##_s)) \
775 if (!X##_s) \
782 r -= 1 - X##_s; \
792 #define _FP_FROM_INT(fs, wc, X, r, rsize, rtype) \ argument
797 X##_c = FP_CLS_NORMAL; \
799 if ((X##_s = (r < 0))) \
804 ? ({ __FP_CLZ(X##_e, ur_); }) \
806 __FP_CLZ_2(X##_e, (_FP_W_TYPE)(ur_ >> _FP_W_TYPE_SIZE), \
810 X##_e -= (_FP_W_TYPE_SIZE - rsize); \
811 X##_e = rsize - X##_e - 1; \
813 if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs <= X##_e) \
814 __FP_FRAC_SRS_1(ur_, (X##_e - _FP_WFRACBITS_##fs + 1), rsize);\
815 _FP_FRAC_DISASSEMBLE_##wc(X, ur_, rsize); \
816 if ((_FP_WFRACBITS_##fs - X##_e - 1) > 0) \
817 _FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1)); \
821 X##_c = FP_CLS_ZERO, X##_s = 0; \