10 case RN: return MPFR_RNDN;
11 case RZ: return MPFR_RNDZ;
12 case RD: return MPFR_RNDD;
13 case RU: return MPFR_RNDU;
20 mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN);
34 #if LDBL_MANT_DIG == 64
37 mpfr_set_emin(-16444);
43 round x into y considering x is already rounded (t = up or down)
45 only cases where adjustment is done:
46 x=...|1...0, t=up -> x=nextbelow(x)
47 x=...|1...0, t=down -> x=nextabove(x)
48 where | is the rounding point, ... is 0 or 1 bit patterns
51 // TODO: adjust(y, 0, 2, RN); when prec is 24 (0 vs 0x1p-149f), special case x=0
52 static int adjust_round(mpfr_t y, mpfr_t x, int t, int r)
58 xp = mpfr_get_prec(x);
59 yp = mpfr_get_prec(y);
60 if (yp >= xp || r != MPFR_RNDN || t == 0 || !mpfr_number_p(x) || mpfr_zero_p(x)) {
61 t2 = mpfr_set(y, x, r);
66 q = p + (xp + mp_bits_per_limb - 1)/mp_bits_per_limb - (yp + mp_bits_per_limb - 1)/mp_bits_per_limb;
67 if ((*p & 1 << -xp%mp_bits_per_limb) || !(*q & 1 << -yp%mp_bits_per_limb)) {
68 t2 = mpfr_set(y, x, r);
75 return mpfr_set(y, x, r);
78 static int adjust(mpfr_t mr, mpfr_t my, int t, int r)
81 //printf("adj %d\n", t);
83 t = adjust_round(mr, my, t, r);
84 //printf("rnd %d\n", t);
86 t = mpfr_subnormalize(mr, t, r);
87 //printf("sub %d\n", t);
89 // d = mpfr_get_d(mr, r);
90 // dn = nextafter(d, INFINITY);
91 // dp = nextafter(d, -INFINITY);
92 //printf("c\n %.21e %a\n %.21e %a\n %.21e %a\n",d,d,dn,dn,dp,dp);
93 // dn = nextafterf(d, INFINITY);
94 // dp = nextafterf(d, -INFINITY);
95 //printf("cf\n %.21e %a\n %.21e %a\n %.21e %a\n",d,d,dn,dn,dp,dp);
100 //static int eflags(mpfr_t mr, mpfr_t my, int t)
101 static int eflags(int naninput)
105 if (mpfr_inexflag_p())
107 // if (mpfr_underflow_p() && (t || mpfr_cmp(mr, my) != 0))
108 if (mpfr_underflow_p() && i)
110 if (mpfr_overflow_p())
114 if (!naninput && (mpfr_nanflag_p() || mpfr_erangeflag_p()))
119 static void genf(struct t *p, mpfr_t my, int t, int r)
121 MPFR_DECL_INIT(mr, 24);
124 t = adjust(mr, my, t, r);
125 p->y = mpfr_get_flt(mr, r);
126 p->e = eflags(isnan(p->x) || isnan(p->x2));
128 if (!isfinite(p->y)) {
131 mpfr_div_2si(mr, mr, i, MPFR_RNDN);
132 mpfr_div_2si(my, my, i, MPFR_RNDN);
133 mpfr_sub(my, mr, my, MPFR_RNDN);
134 p->dy = mpfr_get_flt(my, r);
136 mpfr_sub(my, mr, my, MPFR_RNDN);
137 mpfr_div_2si(my, my, i, MPFR_RNDN);
138 p->dy = mpfr_get_flt(my, r);
142 static int mpf1(struct t *p, int (*fmp)(mpfr_t, const mpfr_t, mpfr_rnd_t))
146 MPFR_DECL_INIT(mx, 24);
147 MPFR_DECL_INIT(my, 128);
151 mpfr_set_flt(mx, p->x, MPFR_RNDN);
155 if ((p->e & INEXACT) && nextafterf(p->y, 0) == 0) {
156 mpfr_set_emin(-(1<<20));
158 mpfr_mul_2si(my, my, 149, MPFR_RNDN);
159 p->dy = scalbnl(p->y, 149) - mpfr_get_ld(my, r);
165 static int mpf2(struct t *p, int (*fmp)(mpfr_t, const mpfr_t, const mpfr_t, mpfr_rnd_t))
169 MPFR_DECL_INIT(mx, 24);
170 MPFR_DECL_INIT(mx2, 24);
171 MPFR_DECL_INIT(my, 128);
175 mpfr_set_flt(mx, p->x, MPFR_RNDN);
176 mpfr_set_flt(mx2, p->x2, MPFR_RNDN);
177 tn = fmp(my, mx, mx2, r);
179 if ((p->e & INEXACT) && nextafterf(p->y, 0) == 0) {
180 mpfr_set_emin(-(1<<20));
181 tn = fmp(my, mx, mx2, r);
182 mpfr_mul_2si(my, my, 149, MPFR_RNDN);
183 p->dy = scalbnl(p->y, 149) - mpfr_get_ld(my, r);
189 static void gend(struct t *p, mpfr_t my, int t, int r)
191 MPFR_DECL_INIT(mr, 53);
194 t = adjust(mr, my, t, r);
195 p->y = mpfr_get_d(mr, r);
196 p->e = eflags(isnan(p->x) || isnan(p->x2));
198 if (!isfinite(p->y)) {
201 mpfr_div_2si(mr, mr, i, MPFR_RNDN);
202 mpfr_div_2si(my, my, i, MPFR_RNDN);
203 mpfr_sub(my, mr, my, MPFR_RNDN);
204 p->dy = mpfr_get_flt(my, r);
206 mpfr_sub(my, mr, my, MPFR_RNDN);
207 mpfr_div_2si(my, my, i, MPFR_RNDN);
208 p->dy = mpfr_get_flt(my, r);
212 static int mpd1(struct t *p, int (*fmp)(mpfr_t, const mpfr_t, mpfr_rnd_t))
216 MPFR_DECL_INIT(mx, 53);
217 MPFR_DECL_INIT(my, 128);
221 mpfr_set_d(mx, p->x, MPFR_RNDN);
223 //printf("underflow: %d\n", mpfr_underflow_p());
226 //printf("dy: %a %.3f\n", p->dy, p->dy);
227 if ((p->e & INEXACT) && nextafter(p->y, 0) == 0) {
228 mpfr_set_emin(-(1<<20));
230 mpfr_mul_2si(my, my, 1074, MPFR_RNDN);
232 p->dy = scalbnl(p->y, 1074) - mpfr_get_ld(my, r);
233 //printf("dy: %a %.3f\n", p->dy, p->dy);
234 mpfr_set_emin(-1073);
239 static int mpd2(struct t *p, int (*fmp)(mpfr_t, const mpfr_t, const mpfr_t, mpfr_rnd_t))
243 MPFR_DECL_INIT(mx, 53);
244 MPFR_DECL_INIT(mx2, 53);
245 MPFR_DECL_INIT(my, 128);
249 mpfr_set_d(mx, p->x, MPFR_RNDN);
250 mpfr_set_d(mx2, p->x2, MPFR_RNDN);
251 tn = fmp(my, mx, mx2, r);
253 if ((p->e & INEXACT) && nextafter(p->y, 0) == 0) {
254 mpfr_set_emin(-(1<<20));
255 tn = fmp(my, mx, mx2, r);
256 mpfr_mul_2si(my, my, 1074, MPFR_RNDN);
257 p->dy = scalbnl(p->y, 1074) - mpfr_get_ld(my, r);
258 mpfr_set_emin(-1073);
263 #if LDBL_MANT_DIG == 64
264 static void genl(struct t *p, mpfr_t my, int t, int r)
266 MPFR_DECL_INIT(mr, 64);
269 t = adjust(mr, my, t, r);
270 p->y = mpfr_get_ld(mr, r);
271 p->e = eflags(isnan(p->x) || isnan(p->x2));
273 if (!isfinite(p->y)) {
276 mpfr_div_2si(mr, mr, i, MPFR_RNDN);
277 mpfr_div_2si(my, my, i, MPFR_RNDN);
278 mpfr_sub(my, mr, my, MPFR_RNDN);
279 p->dy = mpfr_get_flt(my, r);
281 mpfr_sub(my, mr, my, MPFR_RNDN);
282 mpfr_div_2si(my, my, i, MPFR_RNDN);
283 p->dy = mpfr_get_flt(my, r);
288 static int mpl1(struct t *p, int (*fmp)(mpfr_t, const mpfr_t, mpfr_rnd_t))
290 #if LDBL_MANT_DIG == 53
292 #elif LDBL_MANT_DIG == 64
295 MPFR_DECL_INIT(mx, 64);
296 MPFR_DECL_INIT(my, 128);
300 mpfr_set_ld(mx, p->x, MPFR_RNDN);
304 if ((p->e & INEXACT) && nextafterl(p->y, 0) == 0) {
305 mpfr_set_emin(-(1<<20));
307 mpfr_mul_2si(my, my, 16445, MPFR_RNDN);
308 p->dy = scalbnl(p->y, 16445) - mpfr_get_ld(my, r);
309 mpfr_set_emin(-16444);
317 static int mpl2(struct t *p, int (*fmp)(mpfr_t, const mpfr_t, const mpfr_t, mpfr_rnd_t))
319 #if LDBL_MANT_DIG == 53
321 #elif LDBL_MANT_DIG == 64
324 MPFR_DECL_INIT(mx, 64);
325 MPFR_DECL_INIT(mx2, 64);
326 MPFR_DECL_INIT(my, 128);
330 mpfr_set_ld(mx, p->x, MPFR_RNDN);
331 mpfr_set_ld(mx2, p->x2, MPFR_RNDN);
332 tn = fmp(my, mx, mx2, r);
334 if ((p->e & INEXACT) && nextafterl(p->y, 0) == 0) {
335 mpfr_set_emin(-(1<<20));
336 tn = fmp(my, mx, mx2, r);
337 mpfr_mul_2si(my, my, 16445, MPFR_RNDN);
338 p->dy = scalbnl(p->y, 16445) - mpfr_get_ld(my, r);
339 mpfr_set_emin(-16444);
348 static int mplgamma_sign;
349 static int wrap_lgamma(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
351 return mpfr_lgamma(my, &mplgamma_sign, mx, r);
353 static long mpremquo_q;
354 static int wrap_remquo(mpfr_t my, const mpfr_t mx, const mpfr_t mx2, mpfr_rnd_t r)
356 return mpfr_remquo(my, &mpremquo_q, mx, mx2, r);
358 static int mpbessel_n;
359 static int wrap_jn(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
361 return mpfr_jn(my, mpbessel_n, mx, r);
363 static int wrap_yn(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
365 return mpfr_yn(my, mpbessel_n, mx, r);
367 static int wrap_ceil(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
369 return mpfr_ceil(my, mx);
371 static int wrap_floor(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
373 return mpfr_floor(my, mx);
375 static int wrap_round(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
377 return mpfr_round(my, mx);
379 static int wrap_trunc(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
381 return mpfr_trunc(my, mx);
383 static int wrap_nearbyint(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
385 int i = mpfr_rint(my, mx, r);
386 mpfr_clear_inexflag();
389 static int wrap_pow10(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
391 return mpfr_ui_pow(my, 10, mx, r);
394 int mpacos(struct t *t) { return mpd1(t, mpfr_acos); }
395 int mpacosf(struct t *t) { return mpf1(t, mpfr_acos); }
396 int mpacosl(struct t *t) { return mpl1(t, mpfr_acos); }
397 int mpacosh(struct t *t) { return mpd1(t, mpfr_acosh); }
398 int mpacoshf(struct t *t) { return mpf1(t, mpfr_acosh); }
399 int mpacoshl(struct t *t) { return mpl1(t, mpfr_acosh); }
400 int mpasin(struct t *t) { return mpd1(t, mpfr_asin); }
401 int mpasinf(struct t *t) { return mpf1(t, mpfr_asin); }
402 int mpasinl(struct t *t) { return mpl1(t, mpfr_asin); }
403 int mpasinh(struct t *t) { return mpd1(t, mpfr_asinh); }
404 int mpasinhf(struct t *t) { return mpf1(t, mpfr_asinh); }
405 int mpasinhl(struct t *t) { return mpl1(t, mpfr_asinh); }
406 int mpatan(struct t *t) { return mpd1(t, mpfr_atan); }
407 int mpatanf(struct t *t) { return mpf1(t, mpfr_atan); }
408 int mpatanl(struct t *t) { return mpl1(t, mpfr_atan); }
409 int mpatan2(struct t *t) { return mpd2(t, mpfr_atan2); }
410 int mpatan2f(struct t *t) { return mpf2(t, mpfr_atan2); }
411 int mpatan2l(struct t *t) { return mpl2(t, mpfr_atan2); }
412 int mpatanh(struct t *t) { return mpd1(t, mpfr_atanh); }
413 int mpatanhf(struct t *t) { return mpf1(t, mpfr_atanh); }
414 int mpatanhl(struct t *t) { return mpl1(t, mpfr_atanh); }
415 int mpcbrt(struct t *t) { return mpd1(t, mpfr_cbrt); }
416 int mpcbrtf(struct t *t) { return mpf1(t, mpfr_cbrt); }
417 int mpcbrtl(struct t *t) { return mpl1(t, mpfr_cbrt); }
418 int mpceil(struct t *t) { return mpd1(t, wrap_ceil); }
419 int mpceilf(struct t *t) { return mpf1(t, wrap_ceil); }
420 int mpceill(struct t *t) { return mpl1(t, wrap_ceil); }
421 int mpcopysign(struct t *t) { return mpd2(t, mpfr_copysign); }
422 int mpcopysignf(struct t *t) { return mpf2(t, mpfr_copysign); }
423 int mpcopysignl(struct t *t) { return mpl2(t, mpfr_copysign); }
424 int mpcos(struct t *t) { return mpd1(t, mpfr_cos); }
425 int mpcosf(struct t *t) { return mpf1(t, mpfr_cos); }
426 int mpcosl(struct t *t) { return mpl1(t, mpfr_cos); }
427 int mpcosh(struct t *t) { return mpd1(t, mpfr_cosh); }
428 int mpcoshf(struct t *t) { return mpf1(t, mpfr_cosh); }
429 int mpcoshl(struct t *t) { return mpl1(t, mpfr_cosh); }
430 int mperf(struct t *t) { return mpd1(t, mpfr_erf); }
431 int mperff(struct t *t) { return mpf1(t, mpfr_erf); }
432 int mperfl(struct t *t) { return mpl1(t, mpfr_erf); }
433 int mperfc(struct t *t) { return mpd1(t, mpfr_erfc); }
434 int mperfcf(struct t *t) { return mpf1(t, mpfr_erfc); }
435 int mperfcl(struct t *t) { return mpl1(t, mpfr_erfc); }
436 int mpexp(struct t *t) { return mpd1(t, mpfr_exp); }
437 int mpexpf(struct t *t) { return mpf1(t, mpfr_exp); }
438 int mpexpl(struct t *t) { return mpl1(t, mpfr_exp); }
439 int mpexp2(struct t *t) { return mpd1(t, mpfr_exp2); }
440 int mpexp2f(struct t *t) { return mpf1(t, mpfr_exp2); }
441 int mpexp2l(struct t *t) { return mpl1(t, mpfr_exp2); }
442 int mpexpm1(struct t *t) { return mpd1(t, mpfr_expm1); }
443 int mpexpm1f(struct t *t) { return mpf1(t, mpfr_expm1); }
444 int mpexpm1l(struct t *t) { return mpl1(t, mpfr_expm1); }
445 int mpfabs(struct t *t) { return mpd1(t, mpfr_abs); }
446 int mpfabsf(struct t *t) { return mpf1(t, mpfr_abs); }
447 int mpfabsl(struct t *t) { return mpl1(t, mpfr_abs); }
448 int mpfdim(struct t *t) { return mpd2(t, mpfr_dim); }
449 int mpfdimf(struct t *t) { return mpf2(t, mpfr_dim); }
450 int mpfdiml(struct t *t) { return mpl2(t, mpfr_dim); }
451 int mpfloor(struct t *t) { return mpd1(t, wrap_floor); }
452 int mpfloorf(struct t *t) { return mpf1(t, wrap_floor); }
453 int mpfloorl(struct t *t) { return mpl1(t, wrap_floor); }
454 int mpfmax(struct t *t) { return mpd2(t, mpfr_max); }
455 int mpfmaxf(struct t *t) { return mpf2(t, mpfr_max); }
456 int mpfmaxl(struct t *t) { return mpl2(t, mpfr_max); }
457 int mpfmin(struct t *t) { return mpd2(t, mpfr_min); }
458 int mpfminf(struct t *t) { return mpf2(t, mpfr_min); }
459 int mpfminl(struct t *t) { return mpl2(t, mpfr_min); }
460 int mpfmod(struct t *t) { return mpd2(t, mpfr_fmod); }
461 int mpfmodf(struct t *t) { return mpf2(t, mpfr_fmod); }
462 int mpfmodl(struct t *t) { return mpl2(t, mpfr_fmod); }
463 int mphypot(struct t *t) { return mpd2(t, mpfr_hypot); }
464 int mphypotf(struct t *t) { return mpf2(t, mpfr_hypot); }
465 int mphypotl(struct t *t) { return mpl2(t, mpfr_hypot); }
466 int mplgamma(struct t *t) { return mpd1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
467 int mplgammaf(struct t *t) { return mpf1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
468 int mplgammal(struct t *t) { return mpl1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
469 int mplog(struct t *t) { return mpd1(t, mpfr_log); }
470 int mplogf(struct t *t) { return mpf1(t, mpfr_log); }
471 int mplogl(struct t *t) { return mpl1(t, mpfr_log); }
472 int mplog10(struct t *t) { return mpd1(t, mpfr_log10); }
473 int mplog10f(struct t *t) { return mpf1(t, mpfr_log10); }
474 int mplog10l(struct t *t) { return mpl1(t, mpfr_log10); }
475 int mplog1p(struct t *t) { return mpd1(t, mpfr_log1p); }
476 int mplog1pf(struct t *t) { return mpf1(t, mpfr_log1p); }
477 int mplog1pl(struct t *t) { return mpl1(t, mpfr_log1p); }
478 int mplog2(struct t *t) { return mpd1(t, mpfr_log2); }
479 int mplog2f(struct t *t) { return mpf1(t, mpfr_log2); }
480 int mplog2l(struct t *t) { return mpl1(t, mpfr_log2); }
481 int mplogb(struct t *t)
483 MPFR_DECL_INIT(mx, 53);
485 mpfr_set_d(mx, t->x, MPFR_RNDN);
486 t->y = mpfr_get_exp(mx) - 1;
491 int mplogbf(struct t *t)
493 MPFR_DECL_INIT(mx, 24);
495 mpfr_set_flt(mx, t->x, MPFR_RNDN);
496 t->y = mpfr_get_exp(mx) - 1;
501 int mplogbl(struct t *t)
503 MPFR_DECL_INIT(mx, 64);
505 mpfr_set_ld(mx, t->x, MPFR_RNDN);
506 t->y = mpfr_get_exp(mx) - 1;
511 int mpnearbyint(struct t *t) { return mpd1(t, wrap_nearbyint) || (t->e&=~INEXACT, 0); }
512 int mpnearbyintf(struct t *t) { return mpf1(t, wrap_nearbyint) || (t->e&=~INEXACT, 0); }
513 int mpnearbyintl(struct t *t) { return mpl1(t, wrap_nearbyint) || (t->e&=~INEXACT, 0); }
514 // TODO: hard to implement with mpfr
515 int mpnextafter(struct t *t)
517 feclearexcept(FE_ALL_EXCEPT);
518 t->y = nextafter(t->x, t->x2);
523 int mpnextafterf(struct t *t)
525 feclearexcept(FE_ALL_EXCEPT);
526 t->y = nextafterf(t->x, t->x2);
531 int mpnextafterl(struct t *t)
533 feclearexcept(FE_ALL_EXCEPT);
534 t->y = nextafterl(t->x, t->x2);
539 int mpnexttoward(struct t *t)
541 feclearexcept(FE_ALL_EXCEPT);
542 t->y = nexttoward(t->x, t->x2);
547 int mpnexttowardf(struct t *t)
549 feclearexcept(FE_ALL_EXCEPT);
550 t->y = nexttowardf(t->x, t->x2);
555 int mpnexttowardl(struct t *t) { return mpnextafterl(t); }
556 int mppow(struct t *t) { return mpd2(t, mpfr_pow); }
557 int mppowf(struct t *t) { return mpf2(t, mpfr_pow); }
558 int mppowl(struct t *t) { return mpl2(t, mpfr_pow); }
559 int mpremainder(struct t *t) { return mpd2(t, mpfr_remainder); }
560 int mpremainderf(struct t *t) { return mpf2(t, mpfr_remainder); }
561 int mpremainderl(struct t *t) { return mpl2(t, mpfr_remainder); }
562 int mprint(struct t *t) { return mpd1(t, mpfr_rint); }
563 int mprintf(struct t *t) { return mpf1(t, mpfr_rint); }
564 int mprintl(struct t *t) { return mpl1(t, mpfr_rint); }
565 int mpround(struct t *t) { return mpd1(t, wrap_round); }
566 int mproundf(struct t *t) { return mpf1(t, wrap_round); }
567 int mproundl(struct t *t) { return mpl1(t, wrap_round); }
568 int mpsin(struct t *t) { return mpd1(t, mpfr_sin); }
569 int mpsinf(struct t *t) { return mpf1(t, mpfr_sin); }
570 int mpsinl(struct t *t) { return mpl1(t, mpfr_sin); }
571 int mpsinh(struct t *t) { return mpd1(t, mpfr_sinh); }
572 int mpsinhf(struct t *t) { return mpf1(t, mpfr_sinh); }
573 int mpsinhl(struct t *t) { return mpl1(t, mpfr_sinh); }
574 int mpsqrt(struct t *t) { return mpd1(t, mpfr_sqrt); }
575 int mpsqrtf(struct t *t) { return mpf1(t, mpfr_sqrt); }
576 int mpsqrtl(struct t *t) { return mpl1(t, mpfr_sqrt); }
577 int mptan(struct t *t) { return mpd1(t, mpfr_tan); }
578 int mptanf(struct t *t) { return mpf1(t, mpfr_tan); }
579 int mptanl(struct t *t) { return mpl1(t, mpfr_tan); }
580 int mptanh(struct t *t) { return mpd1(t, mpfr_tanh); }
581 int mptanhf(struct t *t) { return mpf1(t, mpfr_tanh); }
582 int mptanhl(struct t *t) { return mpl1(t, mpfr_tanh); }
583 int mptgamma(struct t *t) { return mpd1(t, mpfr_gamma); }
584 int mptgammaf(struct t *t) { return mpf1(t, mpfr_gamma); }
585 int mptgammal(struct t *t) { return mpl1(t, mpfr_gamma); }
586 int mptrunc(struct t *t) { return mpd1(t, wrap_trunc); }
587 int mptruncf(struct t *t) { return mpf1(t, wrap_trunc); }
588 int mptruncl(struct t *t) { return mpl1(t, wrap_trunc); }
589 int mpj0(struct t *t) { return mpd1(t, mpfr_j0); }
590 int mpj1(struct t *t) { return mpd1(t, mpfr_j1); }
591 int mpy0(struct t *t) { return mpd1(t, mpfr_y0); }
592 int mpy1(struct t *t) { return mpd1(t, mpfr_y1); }
593 // TODO: non standard functions
594 int mpscalb(struct t *t)
597 t->y = scalb(t->x, t->x2);
602 int mpscalbf(struct t *t)
605 t->y = scalbf(t->x, t->x2);
610 int mpj0f(struct t *t) { return mpf1(t, mpfr_j0); }
611 int mpj0l(struct t *t) { return mpl1(t, mpfr_j0); }
612 int mpj1f(struct t *t) { return mpf1(t, mpfr_j1); }
613 int mpj1l(struct t *t) { return mpl1(t, mpfr_j1); }
614 int mpy0f(struct t *t) { return mpf1(t, mpfr_y0); }
615 int mpy0l(struct t *t) { return mpl1(t, mpfr_y0); }
616 int mpy1f(struct t *t) { return mpf1(t, mpfr_y1); }
617 int mpy1l(struct t *t) { return mpl1(t, mpfr_y1); }
618 int mpexp10(struct t *t) { return mpd1(t, wrap_pow10); }
619 int mpexp10f(struct t *t) { return mpf1(t, wrap_pow10); }
620 int mpexp10l(struct t *t) { return mpl1(t, wrap_pow10); }
621 int mppow10(struct t *t) { return mpd1(t, wrap_pow10); }
622 int mppow10f(struct t *t) { return mpf1(t, wrap_pow10); }
623 int mppow10l(struct t *t) { return mpl1(t, wrap_pow10); }
625 int mpfrexp(struct t *t)
629 MPFR_DECL_INIT(mx, 53);
635 mpfr_set_d(mx, t->x, MPFR_RNDN);
636 k = mpfr_frexp(&e, mx, mx, t->r);
637 mpfr_subnormalize(mx, k, t->r);
638 t->y = mpfr_get_d(mx, MPFR_RNDN);
640 t->e = eflags(isnan(t->x));
644 int mpfrexpf(struct t *t)
648 MPFR_DECL_INIT(mx, 24);
654 mpfr_set_flt(mx, t->x, MPFR_RNDN);
655 k = mpfr_frexp(&e, mx, mx, t->r);
656 mpfr_subnormalize(mx, k, t->r);
657 t->y = mpfr_get_flt(mx, MPFR_RNDN);
659 t->e = eflags(isnan(t->x));
663 int mpfrexpl(struct t *t)
667 MPFR_DECL_INIT(mx, 64);
673 mpfr_set_ld(mx, t->x, MPFR_RNDN);
674 k = mpfr_frexp(&e, mx, mx, t->r);
675 mpfr_subnormalize(mx, k, t->r);
676 t->y = mpfr_get_ld(mx, MPFR_RNDN);
678 t->e = eflags(isnan(t->x));
682 int mpldexp(struct t *t)
685 MPFR_DECL_INIT(mx, 53);
691 mpfr_set_d(mx, t->x, MPFR_RNDN);
692 k = mpfr_mul_2si(mx, mx, t->i, t->r);
693 mpfr_subnormalize(mx, k, t->r);
694 t->y = mpfr_get_d(mx, MPFR_RNDN);
695 t->e = eflags(isnan(t->x));
699 int mpldexpf(struct t *t)
702 MPFR_DECL_INIT(mx, 24);
708 mpfr_set_flt(mx, t->x, MPFR_RNDN);
709 k = mpfr_mul_2si(mx, mx, t->i, t->r);
710 mpfr_subnormalize(mx, k, t->r);
711 t->y = mpfr_get_flt(mx, MPFR_RNDN);
712 t->e = eflags(isnan(t->x));
716 int mpldexpl(struct t *t)
719 MPFR_DECL_INIT(mx, 64);
725 mpfr_set_ld(mx, t->x, MPFR_RNDN);
726 k = mpfr_mul_2si(mx, mx, t->i, t->r);
727 mpfr_subnormalize(mx, k, t->r);
728 t->y = mpfr_get_ld(mx, MPFR_RNDN);
729 t->e = eflags(isnan(t->x));
733 int mpscalbn(struct t *t) { return mpldexp(t); }
734 int mpscalbnf(struct t *t) { return mpldexpf(t); }
735 int mpscalbnl(struct t *t) { return mpldexpl(t); }
736 int mpscalbln(struct t *t) { return mpldexp(t); }
737 int mpscalblnf(struct t *t) { return mpldexpf(t); }
738 int mpscalblnl(struct t *t) { return mpldexpl(t); }
740 int mplgamma_r(struct t *t) { return mplgamma(t); }
741 int mplgammaf_r(struct t *t) { return mplgammaf(t); }
742 int mplgammal_r(struct t *t) { return mplgammal(t); }
744 int mpilogb(struct t *t)
746 MPFR_DECL_INIT(mx, 53);
748 mpfr_set_d(mx, t->x, MPFR_RNDN);
749 t->i = mpfr_get_exp(mx) - 1;
753 int mpilogbf(struct t *t)
755 MPFR_DECL_INIT(mx, 24);
757 mpfr_set_flt(mx, t->x, MPFR_RNDN);
758 t->i = mpfr_get_exp(mx) - 1;
762 int mpilogbl(struct t *t)
764 MPFR_DECL_INIT(mx, 64);
766 mpfr_set_ld(mx, t->x, MPFR_RNDN);
767 t->i = mpfr_get_exp(mx) - 1;
772 // TODO: ll* is hard to do with mpfr
774 int mp##n(struct t *t) \
778 t->e = getexcept(); \
795 int mpmodf(struct t *t)
799 r = mpd1(t, wrap_trunc);
805 r = mpd1(t, mpfr_frac);
810 int mpmodff(struct t *t)
814 r = mpf1(t, wrap_trunc);
820 r = mpf1(t, mpfr_frac);
825 int mpmodfl(struct t *t)
829 r = mpl1(t, wrap_trunc);
835 r = mpl1(t, mpfr_frac);
840 int mpsincos(struct t *t)
844 r = mpd1(t, mpfr_cos);
850 r = mpd1(t, mpfr_sin);
855 int mpsincosf(struct t *t)
859 r = mpf1(t, mpfr_cos);
865 r = mpf1(t, mpfr_sin);
870 int mpsincosl(struct t *t)
874 r = mpl1(t, mpfr_cos);
880 r = mpl1(t, mpfr_sin);
885 int mpremquo(struct t *t) { return mpd2(t, wrap_remquo) || (t->i = mpremquo_q, 0); }
886 int mpremquof(struct t *t) { return mpf2(t, wrap_remquo) || (t->i = mpremquo_q, 0); }
887 int mpremquol(struct t *t) { return mpl2(t, wrap_remquo) || (t->i = mpremquo_q, 0); }
889 int mpfma(struct t *t)
893 MPFR_DECL_INIT(mx, 53);
894 MPFR_DECL_INIT(mx2, 53);
895 MPFR_DECL_INIT(mx3, 53);
896 MPFR_DECL_INIT(my, 128);
900 mpfr_set_d(mx, t->x, MPFR_RNDN);
901 mpfr_set_d(mx2, t->x2, MPFR_RNDN);
902 mpfr_set_d(mx3, t->x3, MPFR_RNDN);
903 tn = mpfr_fma(my, mx, mx2, mx3, r);
905 if ((t->e & INEXACT) && nextafter(t->y, 0) == 0) {
906 mpfr_set_emin(-(1<<20));
907 tn = mpfr_fma(my, mx, mx2, mx3, r);
908 mpfr_mul_2si(my, my, 1074, MPFR_RNDN);
909 t->dy = scalbnl(t->y, 1074) - mpfr_get_ld(my, r);
910 mpfr_set_emin(-1073);
915 int mpfmaf(struct t *t)
919 MPFR_DECL_INIT(mx, 24);
920 MPFR_DECL_INIT(mx2, 24);
921 MPFR_DECL_INIT(mx3, 24);
922 MPFR_DECL_INIT(my, 128);
926 mpfr_set_flt(mx, t->x, MPFR_RNDN);
927 mpfr_set_flt(mx2, t->x2, MPFR_RNDN);
928 mpfr_set_flt(mx3, t->x3, MPFR_RNDN);
929 tn = mpfr_fma(my, mx, mx2, mx3, r);
931 if ((t->e & INEXACT) && nextafterf(t->y, 0) == 0) {
932 mpfr_set_emin(-(1<<20));
933 tn = mpfr_fma(my, mx, mx2, mx3, r);
934 mpfr_mul_2si(my, my, 149, MPFR_RNDN);
935 t->dy = scalbnl(t->y, 149) - mpfr_get_ld(my, r);
941 int mpfmal(struct t *t)
943 #if LDBL_MANT_DIG == 53
945 #elif LDBL_MANT_DIG == 64
948 MPFR_DECL_INIT(mx, 64);
949 MPFR_DECL_INIT(mx2, 64);
950 MPFR_DECL_INIT(mx3, 64);
951 MPFR_DECL_INIT(my, 128);
955 mpfr_set_ld(mx, t->x, MPFR_RNDN);
956 mpfr_set_ld(mx2, t->x2, MPFR_RNDN);
957 mpfr_set_ld(mx3, t->x3, MPFR_RNDN);
958 tn = mpfr_fma(my, mx, mx2, mx3, r);
960 if ((t->e & INEXACT) && nextafterl(t->y, 0) == 0) {
961 mpfr_set_emin(-(1<<20));
962 tn = mpfr_fma(my, mx, mx2, mx3, r);
963 mpfr_mul_2si(my, my, 16445, MPFR_RNDN);
964 t->dy = scalbnl(t->y, 16445) - mpfr_get_ld(my, r);
965 mpfr_set_emin(-16444);
973 int mpjn(struct t *t) { mpbessel_n = t->i; return mpd1(t, wrap_jn); }
974 int mpjnf(struct t *t) { mpbessel_n = t->i; return mpf1(t, wrap_jn); }
975 int mpjnl(struct t *t) { mpbessel_n = t->i; return mpl1(t, wrap_jn); }
976 int mpyn(struct t *t) { mpbessel_n = t->i; return mpd1(t, wrap_yn); }
977 int mpynf(struct t *t) { mpbessel_n = t->i; return mpf1(t, wrap_yn); }
978 int mpynl(struct t *t) { mpbessel_n = t->i; return mpl1(t, wrap_yn); }