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 wrap_ceil(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
360 return mpfr_ceil(my, mx);
362 static int wrap_floor(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
364 return mpfr_floor(my, mx);
366 static int wrap_round(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
368 return mpfr_round(my, mx);
370 static int wrap_trunc(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
372 return mpfr_trunc(my, mx);
374 static int wrap_nearbyint(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
376 int i = mpfr_rint(my, mx, r);
377 mpfr_clear_inexflag();
380 static int wrap_pow10(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
382 return mpfr_ui_pow(my, 10, mx, r);
385 int mpacos(struct t *t) { return mpd1(t, mpfr_acos); }
386 int mpacosf(struct t *t) { return mpf1(t, mpfr_acos); }
387 int mpacosl(struct t *t) { return mpl1(t, mpfr_acos); }
388 int mpacosh(struct t *t) { return mpd1(t, mpfr_acosh); }
389 int mpacoshf(struct t *t) { return mpf1(t, mpfr_acosh); }
390 int mpacoshl(struct t *t) { return mpl1(t, mpfr_acosh); }
391 int mpasin(struct t *t) { return mpd1(t, mpfr_asin); }
392 int mpasinf(struct t *t) { return mpf1(t, mpfr_asin); }
393 int mpasinl(struct t *t) { return mpl1(t, mpfr_asin); }
394 int mpasinh(struct t *t) { return mpd1(t, mpfr_asinh); }
395 int mpasinhf(struct t *t) { return mpf1(t, mpfr_asinh); }
396 int mpasinhl(struct t *t) { return mpl1(t, mpfr_asinh); }
397 int mpatan(struct t *t) { return mpd1(t, mpfr_atan); }
398 int mpatanf(struct t *t) { return mpf1(t, mpfr_atan); }
399 int mpatanl(struct t *t) { return mpl1(t, mpfr_atan); }
400 int mpatan2(struct t *t) { return mpd2(t, mpfr_atan2); }
401 int mpatan2f(struct t *t) { return mpf2(t, mpfr_atan2); }
402 int mpatan2l(struct t *t) { return mpl2(t, mpfr_atan2); }
403 int mpatanh(struct t *t) { return mpd1(t, mpfr_atanh); }
404 int mpatanhf(struct t *t) { return mpf1(t, mpfr_atanh); }
405 int mpatanhl(struct t *t) { return mpl1(t, mpfr_atanh); }
406 int mpcbrt(struct t *t) { return mpd1(t, mpfr_cbrt); }
407 int mpcbrtf(struct t *t) { return mpf1(t, mpfr_cbrt); }
408 int mpcbrtl(struct t *t) { return mpl1(t, mpfr_cbrt); }
409 int mpceil(struct t *t) { return mpd1(t, wrap_ceil); }
410 int mpceilf(struct t *t) { return mpf1(t, wrap_ceil); }
411 int mpceill(struct t *t) { return mpl1(t, wrap_ceil); }
412 int mpcopysign(struct t *t) { return mpd2(t, mpfr_copysign); }
413 int mpcopysignf(struct t *t) { return mpf2(t, mpfr_copysign); }
414 int mpcopysignl(struct t *t) { return mpl2(t, mpfr_copysign); }
415 int mpcos(struct t *t) { return mpd1(t, mpfr_cos); }
416 int mpcosf(struct t *t) { return mpf1(t, mpfr_cos); }
417 int mpcosl(struct t *t) { return mpl1(t, mpfr_cos); }
418 int mpcosh(struct t *t) { return mpd1(t, mpfr_cosh); }
419 int mpcoshf(struct t *t) { return mpf1(t, mpfr_cosh); }
420 int mpcoshl(struct t *t) { return mpl1(t, mpfr_cosh); }
421 int mperf(struct t *t) { return mpd1(t, mpfr_erf); }
422 int mperff(struct t *t) { return mpf1(t, mpfr_erf); }
423 int mperfl(struct t *t) { return mpl1(t, mpfr_erf); }
424 int mperfc(struct t *t) { return mpd1(t, mpfr_erfc); }
425 int mperfcf(struct t *t) { return mpf1(t, mpfr_erfc); }
426 int mperfcl(struct t *t) { return mpl1(t, mpfr_erfc); }
427 int mpexp(struct t *t) { return mpd1(t, mpfr_exp); }
428 int mpexpf(struct t *t) { return mpf1(t, mpfr_exp); }
429 int mpexpl(struct t *t) { return mpl1(t, mpfr_exp); }
430 int mpexp2(struct t *t) { return mpd1(t, mpfr_exp2); }
431 int mpexp2f(struct t *t) { return mpf1(t, mpfr_exp2); }
432 int mpexp2l(struct t *t) { return mpl1(t, mpfr_exp2); }
433 int mpexpm1(struct t *t) { return mpd1(t, mpfr_expm1); }
434 int mpexpm1f(struct t *t) { return mpf1(t, mpfr_expm1); }
435 int mpexpm1l(struct t *t) { return mpl1(t, mpfr_expm1); }
436 int mpfabs(struct t *t) { return mpd1(t, mpfr_abs); }
437 int mpfabsf(struct t *t) { return mpf1(t, mpfr_abs); }
438 int mpfabsl(struct t *t) { return mpl1(t, mpfr_abs); }
439 int mpfdim(struct t *t) { return mpd2(t, mpfr_dim); }
440 int mpfdimf(struct t *t) { return mpf2(t, mpfr_dim); }
441 int mpfdiml(struct t *t) { return mpl2(t, mpfr_dim); }
442 int mpfloor(struct t *t) { return mpd1(t, wrap_floor); }
443 int mpfloorf(struct t *t) { return mpf1(t, wrap_floor); }
444 int mpfloorl(struct t *t) { return mpl1(t, wrap_floor); }
445 int mpfmax(struct t *t) { return mpd2(t, mpfr_max); }
446 int mpfmaxf(struct t *t) { return mpf2(t, mpfr_max); }
447 int mpfmaxl(struct t *t) { return mpl2(t, mpfr_max); }
448 int mpfmin(struct t *t) { return mpd2(t, mpfr_min); }
449 int mpfminf(struct t *t) { return mpf2(t, mpfr_min); }
450 int mpfminl(struct t *t) { return mpl2(t, mpfr_min); }
451 int mpfmod(struct t *t) { return mpd2(t, mpfr_fmod); }
452 int mpfmodf(struct t *t) { return mpf2(t, mpfr_fmod); }
453 int mpfmodl(struct t *t) { return mpl2(t, mpfr_fmod); }
454 int mphypot(struct t *t) { return mpd2(t, mpfr_hypot); }
455 int mphypotf(struct t *t) { return mpf2(t, mpfr_hypot); }
456 int mphypotl(struct t *t) { return mpl2(t, mpfr_hypot); }
457 int mplgamma(struct t *t) { return mpd1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
458 int mplgammaf(struct t *t) { return mpf1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
459 int mplgammal(struct t *t) { return mpl1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
460 int mplog(struct t *t) { return mpd1(t, mpfr_log); }
461 int mplogf(struct t *t) { return mpf1(t, mpfr_log); }
462 int mplogl(struct t *t) { return mpl1(t, mpfr_log); }
463 int mplog10(struct t *t) { return mpd1(t, mpfr_log10); }
464 int mplog10f(struct t *t) { return mpf1(t, mpfr_log10); }
465 int mplog10l(struct t *t) { return mpl1(t, mpfr_log10); }
466 int mplog1p(struct t *t) { return mpd1(t, mpfr_log1p); }
467 int mplog1pf(struct t *t) { return mpf1(t, mpfr_log1p); }
468 int mplog1pl(struct t *t) { return mpl1(t, mpfr_log1p); }
469 int mplog2(struct t *t) { return mpd1(t, mpfr_log2); }
470 int mplog2f(struct t *t) { return mpf1(t, mpfr_log2); }
471 int mplog2l(struct t *t) { return mpl1(t, mpfr_log2); }
472 int mplogb(struct t *t)
474 MPFR_DECL_INIT(mx, 53);
476 mpfr_set_d(mx, t->x, MPFR_RNDN);
477 t->y = mpfr_get_exp(mx) - 1;
482 int mplogbf(struct t *t)
484 MPFR_DECL_INIT(mx, 24);
486 mpfr_set_flt(mx, t->x, MPFR_RNDN);
487 t->y = mpfr_get_exp(mx) - 1;
492 int mplogbl(struct t *t)
494 MPFR_DECL_INIT(mx, 64);
496 mpfr_set_ld(mx, t->x, MPFR_RNDN);
497 t->y = mpfr_get_exp(mx) - 1;
502 int mpnearbyint(struct t *t) { return mpd1(t, wrap_nearbyint) || (t->e&=~INEXACT, 0); }
503 int mpnearbyintf(struct t *t) { return mpf1(t, wrap_nearbyint) || (t->e&=~INEXACT, 0); }
504 int mpnearbyintl(struct t *t) { return mpl1(t, wrap_nearbyint) || (t->e&=~INEXACT, 0); }
505 // TODO: hard to implement with mpfr
506 int mpnextafter(struct t *t)
508 feclearexcept(FE_ALL_EXCEPT);
509 t->y = nextafter(t->x, t->x2);
514 int mpnextafterf(struct t *t)
516 feclearexcept(FE_ALL_EXCEPT);
517 t->y = nextafterf(t->x, t->x2);
522 int mpnextafterl(struct t *t)
524 feclearexcept(FE_ALL_EXCEPT);
525 t->y = nextafterl(t->x, t->x2);
530 int mpnexttoward(struct t *t)
532 feclearexcept(FE_ALL_EXCEPT);
533 t->y = nexttoward(t->x, t->x2);
538 int mpnexttowardf(struct t *t)
540 feclearexcept(FE_ALL_EXCEPT);
541 t->y = nexttowardf(t->x, t->x2);
546 int mpnexttowardl(struct t *t) { return mpnextafterl(t); }
547 int mppow(struct t *t) { return mpd2(t, mpfr_pow); }
548 int mppowf(struct t *t) { return mpf2(t, mpfr_pow); }
549 int mppowl(struct t *t) { return mpl2(t, mpfr_pow); }
550 int mpremainder(struct t *t) { return mpd2(t, mpfr_remainder); }
551 int mpremainderf(struct t *t) { return mpf2(t, mpfr_remainder); }
552 int mpremainderl(struct t *t) { return mpl2(t, mpfr_remainder); }
553 int mprint(struct t *t) { return mpd1(t, mpfr_rint); }
554 int mprintf(struct t *t) { return mpf1(t, mpfr_rint); }
555 int mprintl(struct t *t) { return mpl1(t, mpfr_rint); }
556 int mpround(struct t *t) { return mpd1(t, wrap_round); }
557 int mproundf(struct t *t) { return mpf1(t, wrap_round); }
558 int mproundl(struct t *t) { return mpl1(t, wrap_round); }
559 int mpsin(struct t *t) { return mpd1(t, mpfr_sin); }
560 int mpsinf(struct t *t) { return mpf1(t, mpfr_sin); }
561 int mpsinl(struct t *t) { return mpl1(t, mpfr_sin); }
562 int mpsinh(struct t *t) { return mpd1(t, mpfr_sinh); }
563 int mpsinhf(struct t *t) { return mpf1(t, mpfr_sinh); }
564 int mpsinhl(struct t *t) { return mpl1(t, mpfr_sinh); }
565 int mpsqrt(struct t *t) { return mpd1(t, mpfr_sqrt); }
566 int mpsqrtf(struct t *t) { return mpf1(t, mpfr_sqrt); }
567 int mpsqrtl(struct t *t) { return mpl1(t, mpfr_sqrt); }
568 int mptan(struct t *t) { return mpd1(t, mpfr_tan); }
569 int mptanf(struct t *t) { return mpf1(t, mpfr_tan); }
570 int mptanl(struct t *t) { return mpl1(t, mpfr_tan); }
571 int mptanh(struct t *t) { return mpd1(t, mpfr_tanh); }
572 int mptanhf(struct t *t) { return mpf1(t, mpfr_tanh); }
573 int mptanhl(struct t *t) { return mpl1(t, mpfr_tanh); }
574 int mptgamma(struct t *t) { return mpd1(t, mpfr_gamma); }
575 int mptgammaf(struct t *t) { return mpf1(t, mpfr_gamma); }
576 int mptgammal(struct t *t) { return mpl1(t, mpfr_gamma); }
577 int mptrunc(struct t *t) { return mpd1(t, wrap_trunc); }
578 int mptruncf(struct t *t) { return mpf1(t, wrap_trunc); }
579 int mptruncl(struct t *t) { return mpl1(t, wrap_trunc); }
580 int mpj0(struct t *t) { return mpd1(t, mpfr_j0); }
581 int mpj1(struct t *t) { return mpd1(t, mpfr_j1); }
582 int mpy0(struct t *t) { return mpd1(t, mpfr_y0); }
583 int mpy1(struct t *t) { return mpd1(t, mpfr_y1); }
584 // TODO: non standard functions
585 int mpscalb(struct t *t)
588 t->y = scalb(t->x, t->x2);
593 int mpscalbf(struct t *t)
596 t->y = scalbf(t->x, t->x2);
601 int mpj0f(struct t *t) { return mpf1(t, mpfr_j0); }
602 int mpj0l(struct t *t) { return mpl1(t, mpfr_j0); }
603 int mpj1f(struct t *t) { return mpf1(t, mpfr_j1); }
604 int mpj1l(struct t *t) { return mpl1(t, mpfr_j1); }
605 int mpy0f(struct t *t) { return mpf1(t, mpfr_y0); }
606 int mpy0l(struct t *t) { return mpl1(t, mpfr_y0); }
607 int mpy1f(struct t *t) { return mpf1(t, mpfr_y1); }
608 int mpy1l(struct t *t) { return mpl1(t, mpfr_y1); }
609 int mpexp10(struct t *t) { return mpd1(t, wrap_pow10); }
610 int mpexp10f(struct t *t) { return mpf1(t, wrap_pow10); }
611 int mpexp10l(struct t *t) { return mpl1(t, wrap_pow10); }
612 int mppow10(struct t *t) { return mpd1(t, wrap_pow10); }
613 int mppow10f(struct t *t) { return mpf1(t, wrap_pow10); }
614 int mppow10l(struct t *t) { return mpl1(t, wrap_pow10); }
616 int mpfrexp(struct t *t)
620 MPFR_DECL_INIT(mx, 53);
626 mpfr_set_d(mx, t->x, MPFR_RNDN);
627 k = mpfr_frexp(&e, mx, mx, t->r);
628 mpfr_subnormalize(mx, k, t->r);
629 t->y = mpfr_get_d(mx, MPFR_RNDN);
631 t->e = eflags(isnan(t->x));
635 int mpfrexpf(struct t *t)
639 MPFR_DECL_INIT(mx, 24);
645 mpfr_set_flt(mx, t->x, MPFR_RNDN);
646 k = mpfr_frexp(&e, mx, mx, t->r);
647 mpfr_subnormalize(mx, k, t->r);
648 t->y = mpfr_get_flt(mx, MPFR_RNDN);
650 t->e = eflags(isnan(t->x));
654 int mpfrexpl(struct t *t)
658 MPFR_DECL_INIT(mx, 64);
664 mpfr_set_ld(mx, t->x, MPFR_RNDN);
665 k = mpfr_frexp(&e, mx, mx, t->r);
666 mpfr_subnormalize(mx, k, t->r);
667 t->y = mpfr_get_ld(mx, MPFR_RNDN);
669 t->e = eflags(isnan(t->x));
673 int mpldexp(struct t *t)
676 MPFR_DECL_INIT(mx, 53);
682 mpfr_set_d(mx, t->x, MPFR_RNDN);
683 k = mpfr_mul_2si(mx, mx, t->i, t->r);
684 mpfr_subnormalize(mx, k, t->r);
685 t->y = mpfr_get_d(mx, MPFR_RNDN);
686 t->e = eflags(isnan(t->x));
690 int mpldexpf(struct t *t)
693 MPFR_DECL_INIT(mx, 24);
699 mpfr_set_flt(mx, t->x, MPFR_RNDN);
700 k = mpfr_mul_2si(mx, mx, t->i, t->r);
701 mpfr_subnormalize(mx, k, t->r);
702 t->y = mpfr_get_flt(mx, MPFR_RNDN);
703 t->e = eflags(isnan(t->x));
707 int mpldexpl(struct t *t)
710 MPFR_DECL_INIT(mx, 64);
716 mpfr_set_ld(mx, t->x, MPFR_RNDN);
717 k = mpfr_mul_2si(mx, mx, t->i, t->r);
718 mpfr_subnormalize(mx, k, t->r);
719 t->y = mpfr_get_ld(mx, MPFR_RNDN);
720 t->e = eflags(isnan(t->x));
724 int mpscalbn(struct t *t) { return mpldexp(t); }
725 int mpscalbnf(struct t *t) { return mpldexpf(t); }
726 int mpscalbnl(struct t *t) { return mpldexpl(t); }
727 int mpscalbln(struct t *t) { return mpldexp(t); }
728 int mpscalblnf(struct t *t) { return mpldexpf(t); }
729 int mpscalblnl(struct t *t) { return mpldexpl(t); }
731 int mplgamma_r(struct t *t) { return mplgamma(t); }
732 int mplgammaf_r(struct t *t) { return mplgammaf(t); }
733 int mplgammal_r(struct t *t) { return mplgammal(t); }
735 int mpilogb(struct t *t)
737 MPFR_DECL_INIT(mx, 53);
739 mpfr_set_d(mx, t->x, MPFR_RNDN);
740 t->i = mpfr_get_exp(mx) - 1;
744 int mpilogbf(struct t *t)
746 MPFR_DECL_INIT(mx, 24);
748 mpfr_set_flt(mx, t->x, MPFR_RNDN);
749 t->i = mpfr_get_exp(mx) - 1;
753 int mpilogbl(struct t *t)
755 MPFR_DECL_INIT(mx, 64);
757 mpfr_set_ld(mx, t->x, MPFR_RNDN);
758 t->i = mpfr_get_exp(mx) - 1;
763 // TODO: ll* is hard to do with mpfr
765 int mp##n(struct t *t) \
769 t->e = getexcept(); \
786 int mpmodf(struct t *t)
790 r = mpd1(t, wrap_trunc);
796 r = mpd1(t, mpfr_frac);
801 int mpmodff(struct t *t)
805 r = mpf1(t, wrap_trunc);
811 r = mpf1(t, mpfr_frac);
816 int mpmodfl(struct t *t)
820 r = mpl1(t, wrap_trunc);
826 r = mpl1(t, mpfr_frac);
831 int mpsincos(struct t *t)
835 r = mpd1(t, mpfr_cos);
841 r = mpd1(t, mpfr_sin);
846 int mpsincosf(struct t *t)
850 r = mpf1(t, mpfr_cos);
856 r = mpf1(t, mpfr_sin);
861 int mpsincosl(struct t *t)
865 r = mpl1(t, mpfr_cos);
871 r = mpl1(t, mpfr_sin);
876 int mpremquo(struct t *t) { return mpd2(t, wrap_remquo) || (t->i = mpremquo_q, 0); }
877 int mpremquof(struct t *t) { return mpf2(t, wrap_remquo) || (t->i = mpremquo_q, 0); }
878 int mpremquol(struct t *t) { return mpl2(t, wrap_remquo) || (t->i = mpremquo_q, 0); }
880 int mpfma(struct t *t)
884 MPFR_DECL_INIT(mx, 53);
885 MPFR_DECL_INIT(mx2, 53);
886 MPFR_DECL_INIT(mx3, 53);
887 MPFR_DECL_INIT(my, 128);
891 mpfr_set_d(mx, t->x, MPFR_RNDN);
892 mpfr_set_d(mx2, t->x2, MPFR_RNDN);
893 mpfr_set_d(mx3, t->x3, MPFR_RNDN);
894 tn = mpfr_fma(my, mx, mx2, mx3, r);
896 if ((t->e & INEXACT) && nextafter(t->y, 0) == 0) {
897 mpfr_set_emin(-(1<<20));
898 tn = mpfr_fma(my, mx, mx2, mx3, r);
899 mpfr_mul_2si(my, my, 1074, MPFR_RNDN);
900 t->dy = scalbnl(t->y, 1074) - mpfr_get_ld(my, r);
901 mpfr_set_emin(-1073);
906 int mpfmaf(struct t *t)
910 MPFR_DECL_INIT(mx, 24);
911 MPFR_DECL_INIT(mx2, 24);
912 MPFR_DECL_INIT(mx3, 24);
913 MPFR_DECL_INIT(my, 128);
917 mpfr_set_flt(mx, t->x, MPFR_RNDN);
918 mpfr_set_flt(mx2, t->x2, MPFR_RNDN);
919 mpfr_set_flt(mx3, t->x3, MPFR_RNDN);
920 tn = mpfr_fma(my, mx, mx2, mx3, r);
922 if ((t->e & INEXACT) && nextafterf(t->y, 0) == 0) {
923 mpfr_set_emin(-(1<<20));
924 tn = mpfr_fma(my, mx, mx2, mx3, r);
925 mpfr_mul_2si(my, my, 149, MPFR_RNDN);
926 t->dy = scalbnl(t->y, 149) - mpfr_get_ld(my, r);
932 int mpfmal(struct t *t)
934 #if LDBL_MANT_DIG == 53
936 #elif LDBL_MANT_DIG == 64
939 MPFR_DECL_INIT(mx, 64);
940 MPFR_DECL_INIT(mx2, 64);
941 MPFR_DECL_INIT(mx3, 64);
942 MPFR_DECL_INIT(my, 128);
946 mpfr_set_ld(mx, t->x, MPFR_RNDN);
947 mpfr_set_ld(mx2, t->x2, MPFR_RNDN);
948 mpfr_set_ld(mx3, t->x3, MPFR_RNDN);
949 tn = mpfr_fma(my, mx, mx2, mx3, r);
951 if ((t->e & INEXACT) && nextafterl(t->y, 0) == 0) {
952 mpfr_set_emin(-(1<<20));
953 tn = mpfr_fma(my, mx, mx2, mx3, r);
954 mpfr_mul_2si(my, my, 16445, MPFR_RNDN);
955 t->dy = scalbnl(t->y, 16445) - mpfr_get_ld(my, r);
956 mpfr_set_emin(-16444);