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 int wrap_ceil(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
355 return mpfr_ceil(my, mx);
357 static int wrap_floor(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
359 return mpfr_floor(my, mx);
361 static int wrap_round(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
363 return mpfr_round(my, mx);
365 static int wrap_trunc(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
367 return mpfr_trunc(my, mx);
369 static int wrap_nearbyint(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
371 int i = mpfr_rint(my, mx, r);
372 mpfr_clear_inexflag();
375 static int wrap_pow10(mpfr_t my, const mpfr_t mx, mpfr_rnd_t r)
377 return mpfr_ui_pow(my, 10, mx, r);
380 int mpacos(struct t *t) { return mpd1(t, mpfr_acos); }
381 int mpacosf(struct t *t) { return mpf1(t, mpfr_acos); }
382 int mpacosl(struct t *t) { return mpl1(t, mpfr_acos); }
383 int mpacosh(struct t *t) { return mpd1(t, mpfr_acosh); }
384 int mpacoshf(struct t *t) { return mpf1(t, mpfr_acosh); }
385 int mpacoshl(struct t *t) { return mpl1(t, mpfr_acosh); }
386 int mpasin(struct t *t) { return mpd1(t, mpfr_asin); }
387 int mpasinf(struct t *t) { return mpf1(t, mpfr_asin); }
388 int mpasinl(struct t *t) { return mpl1(t, mpfr_asin); }
389 int mpasinh(struct t *t) { return mpd1(t, mpfr_asinh); }
390 int mpasinhf(struct t *t) { return mpf1(t, mpfr_asinh); }
391 int mpasinhl(struct t *t) { return mpl1(t, mpfr_asinh); }
392 int mpatan(struct t *t) { return mpd1(t, mpfr_atan); }
393 int mpatanf(struct t *t) { return mpf1(t, mpfr_atan); }
394 int mpatanl(struct t *t) { return mpl1(t, mpfr_atan); }
395 int mpatan2(struct t *t) { return mpd2(t, mpfr_atan2); }
396 int mpatan2f(struct t *t) { return mpf2(t, mpfr_atan2); }
397 int mpatan2l(struct t *t) { return mpl2(t, mpfr_atan2); }
398 int mpatanh(struct t *t) { return mpd1(t, mpfr_atanh); }
399 int mpatanhf(struct t *t) { return mpf1(t, mpfr_atanh); }
400 int mpatanhl(struct t *t) { return mpl1(t, mpfr_atanh); }
401 int mpcbrt(struct t *t) { return mpd1(t, mpfr_cbrt); }
402 int mpcbrtf(struct t *t) { return mpf1(t, mpfr_cbrt); }
403 int mpcbrtl(struct t *t) { return mpl1(t, mpfr_cbrt); }
404 int mpceil(struct t *t) { return mpd1(t, wrap_ceil); }
405 int mpceilf(struct t *t) { return mpf1(t, wrap_ceil); }
406 int mpceill(struct t *t) { return mpl1(t, wrap_ceil); }
407 int mpcopysign(struct t *t) { return mpd2(t, mpfr_copysign); }
408 int mpcopysignf(struct t *t) { return mpf2(t, mpfr_copysign); }
409 int mpcopysignl(struct t *t) { return mpl2(t, mpfr_copysign); }
410 int mpcos(struct t *t) { return mpd1(t, mpfr_cos); }
411 int mpcosf(struct t *t) { return mpf1(t, mpfr_cos); }
412 int mpcosl(struct t *t) { return mpl1(t, mpfr_cos); }
413 int mpcosh(struct t *t) { return mpd1(t, mpfr_cosh); }
414 int mpcoshf(struct t *t) { return mpf1(t, mpfr_cosh); }
415 int mpcoshl(struct t *t) { return mpl1(t, mpfr_cosh); }
416 int mperf(struct t *t) { return mpd1(t, mpfr_erf); }
417 int mperff(struct t *t) { return mpf1(t, mpfr_erf); }
418 int mperfl(struct t *t) { return mpl1(t, mpfr_erf); }
419 int mperfc(struct t *t) { return mpd1(t, mpfr_erfc); }
420 int mperfcf(struct t *t) { return mpf1(t, mpfr_erfc); }
421 int mperfcl(struct t *t) { return mpl1(t, mpfr_erfc); }
422 int mpexp(struct t *t) { return mpd1(t, mpfr_exp); }
423 int mpexpf(struct t *t) { return mpf1(t, mpfr_exp); }
424 int mpexpl(struct t *t) { return mpl1(t, mpfr_exp); }
425 int mpexp2(struct t *t) { return mpd1(t, mpfr_exp2); }
426 int mpexp2f(struct t *t) { return mpf1(t, mpfr_exp2); }
427 int mpexp2l(struct t *t) { return mpl1(t, mpfr_exp2); }
428 int mpexpm1(struct t *t) { return mpd1(t, mpfr_expm1); }
429 int mpexpm1f(struct t *t) { return mpf1(t, mpfr_expm1); }
430 int mpexpm1l(struct t *t) { return mpl1(t, mpfr_expm1); }
431 int mpfabs(struct t *t) { return mpd1(t, mpfr_abs); }
432 int mpfabsf(struct t *t) { return mpf1(t, mpfr_abs); }
433 int mpfabsl(struct t *t) { return mpl1(t, mpfr_abs); }
434 int mpfdim(struct t *t) { return mpd2(t, mpfr_dim); }
435 int mpfdimf(struct t *t) { return mpf2(t, mpfr_dim); }
436 int mpfdiml(struct t *t) { return mpl2(t, mpfr_dim); }
437 int mpfloor(struct t *t) { return mpd1(t, wrap_floor); }
438 int mpfloorf(struct t *t) { return mpf1(t, wrap_floor); }
439 int mpfloorl(struct t *t) { return mpl1(t, wrap_floor); }
440 int mpfmax(struct t *t) { return mpd2(t, mpfr_max); }
441 int mpfmaxf(struct t *t) { return mpf2(t, mpfr_max); }
442 int mpfmaxl(struct t *t) { return mpl2(t, mpfr_max); }
443 int mpfmin(struct t *t) { return mpd2(t, mpfr_min); }
444 int mpfminf(struct t *t) { return mpf2(t, mpfr_min); }
445 int mpfminl(struct t *t) { return mpl2(t, mpfr_min); }
446 int mpfmod(struct t *t) { return mpd2(t, mpfr_fmod); }
447 int mpfmodf(struct t *t) { return mpf2(t, mpfr_fmod); }
448 int mpfmodl(struct t *t) { return mpl2(t, mpfr_fmod); }
449 int mphypot(struct t *t) { return mpd2(t, mpfr_hypot); }
450 int mphypotf(struct t *t) { return mpf2(t, mpfr_hypot); }
451 int mphypotl(struct t *t) { return mpl2(t, mpfr_hypot); }
452 int mplgamma(struct t *t) { return mpd1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
453 int mplgammaf(struct t *t) { return mpf1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
454 int mplgammal(struct t *t) { return mpl1(t, wrap_lgamma) || (t->i = mplgamma_sign, 0); }
455 int mplog(struct t *t) { return mpd1(t, mpfr_log); }
456 int mplogf(struct t *t) { return mpf1(t, mpfr_log); }
457 int mplogl(struct t *t) { return mpl1(t, mpfr_log); }
458 int mplog10(struct t *t) { return mpd1(t, mpfr_log10); }
459 int mplog10f(struct t *t) { return mpf1(t, mpfr_log10); }
460 int mplog10l(struct t *t) { return mpl1(t, mpfr_log10); }
461 int mplog1p(struct t *t) { return mpd1(t, mpfr_log1p); }
462 int mplog1pf(struct t *t) { return mpf1(t, mpfr_log1p); }
463 int mplog1pl(struct t *t) { return mpl1(t, mpfr_log1p); }
464 int mplog2(struct t *t) { return mpd1(t, mpfr_log2); }
465 int mplog2f(struct t *t) { return mpf1(t, mpfr_log2); }
466 int mplog2l(struct t *t) { return mpl1(t, mpfr_log2); }
467 int mplogb(struct t *t)
469 MPFR_DECL_INIT(mx, 53);
471 mpfr_set_d(mx, t->x, MPFR_RNDN);
472 t->y = mpfr_get_exp(mx) + 1;
477 int mplogbf(struct t *t)
479 MPFR_DECL_INIT(mx, 24);
481 mpfr_set_flt(mx, t->x, MPFR_RNDN);
482 t->y = mpfr_get_exp(mx) + 1;
487 int mplogbl(struct t *t)
489 MPFR_DECL_INIT(mx, 64);
491 mpfr_set_ld(mx, t->x, MPFR_RNDN);
492 t->y = mpfr_get_exp(mx) + 1;
497 int mpnearbyint(struct t *t) { return mpd1(t, wrap_nearbyint); }
498 int mpnearbyintf(struct t *t) { return mpf1(t, wrap_nearbyint); }
499 int mpnearbyintl(struct t *t) { return mpl1(t, wrap_nearbyint); }
500 int mpnextafter(struct t *t) { return -1; }
501 int mpnextafterf(struct t *t) { return -1; }
502 int mpnextafterl(struct t *t) { return -1; }
503 int mpnexttowardl(struct t *t) { return -1; }
504 int mppow(struct t *t) { return mpd2(t, mpfr_pow); }
505 int mppowf(struct t *t) { return mpf2(t, mpfr_pow); }
506 int mppowl(struct t *t) { return mpl2(t, mpfr_pow); }
507 int mpremainder(struct t *t) { return mpd2(t, mpfr_remainder); }
508 int mpremainderf(struct t *t) { return mpf2(t, mpfr_remainder); }
509 int mpremainderl(struct t *t) { return mpl2(t, mpfr_remainder); }
510 int mprint(struct t *t) { return mpd1(t, mpfr_rint); }
511 int mprintf(struct t *t) { return mpf1(t, mpfr_rint); }
512 int mprintl(struct t *t) { return mpl1(t, mpfr_rint); }
513 int mpround(struct t *t) { return mpd1(t, wrap_round); }
514 int mproundf(struct t *t) { return mpf1(t, wrap_round); }
515 int mproundl(struct t *t) { return mpl1(t, wrap_round); }
516 int mpsin(struct t *t) { return mpd1(t, mpfr_sin); }
517 int mpsinf(struct t *t) { return mpf1(t, mpfr_sin); }
518 int mpsinl(struct t *t) { return mpl1(t, mpfr_sin); }
519 int mpsinh(struct t *t) { return mpd1(t, mpfr_sinh); }
520 int mpsinhf(struct t *t) { return mpf1(t, mpfr_sinh); }
521 int mpsinhl(struct t *t) { return mpl1(t, mpfr_sinh); }
522 int mpsqrt(struct t *t) { return mpd1(t, mpfr_sqrt); }
523 int mpsqrtf(struct t *t) { return mpf1(t, mpfr_sqrt); }
524 int mpsqrtl(struct t *t) { return mpl1(t, mpfr_sqrt); }
525 int mptan(struct t *t) { return mpd1(t, mpfr_tan); }
526 int mptanf(struct t *t) { return mpf1(t, mpfr_tan); }
527 int mptanl(struct t *t) { return mpl1(t, mpfr_tan); }
528 int mptanh(struct t *t) { return mpd1(t, mpfr_tanh); }
529 int mptanhf(struct t *t) { return mpf1(t, mpfr_tanh); }
530 int mptanhl(struct t *t) { return mpl1(t, mpfr_tanh); }
531 int mptgamma(struct t *t) { return mpd1(t, mpfr_gamma); }
532 int mptgammaf(struct t *t) { return mpf1(t, mpfr_gamma); }
533 int mptgammal(struct t *t) { return mpl1(t, mpfr_gamma); }
534 int mptrunc(struct t *t) { return mpd1(t, wrap_trunc); }
535 int mptruncf(struct t *t) { return mpf1(t, wrap_trunc); }
536 int mptruncl(struct t *t) { return mpl1(t, wrap_trunc); }
537 int mpj0(struct t *t) { return mpd1(t, mpfr_j0); }
538 int mpj1(struct t *t) { return mpd1(t, mpfr_j1); }
539 int mpy0(struct t *t) { return mpd1(t, mpfr_y0); }
540 int mpy1(struct t *t) { return mpd1(t, mpfr_y1); }
541 int mpscalb(struct t *t) { return -1; }
542 int mpscalbf(struct t *t) { return -1; }
543 int mpj0f(struct t *t) { return mpf1(t, mpfr_j0); }
544 int mpj0l(struct t *t) { return mpl1(t, mpfr_j0); }
545 int mpj1f(struct t *t) { return mpf1(t, mpfr_j1); }
546 int mpj1l(struct t *t) { return mpl1(t, mpfr_j1); }
547 int mpy0f(struct t *t) { return mpf1(t, mpfr_y0); }
548 int mpy0l(struct t *t) { return mpl1(t, mpfr_y0); }
549 int mpy1f(struct t *t) { return mpf1(t, mpfr_y1); }
550 int mpy1l(struct t *t) { return mpl1(t, mpfr_y1); }
551 int mpexp10(struct t *t) { return mpd1(t, wrap_pow10); }
552 int mpexp10f(struct t *t) { return mpf1(t, wrap_pow10); }
553 int mpexp10l(struct t *t) { return mpl1(t, wrap_pow10); }
554 int mppow10(struct t *t) { return mpd1(t, wrap_pow10); }
555 int mppow10f(struct t *t) { return mpf1(t, wrap_pow10); }
556 int mppow10l(struct t *t) { return mpl1(t, wrap_pow10); }
558 int mpfrexp(struct t *t)
562 MPFR_DECL_INIT(mx, 53);
568 mpfr_set_d(mx, t->x, MPFR_RNDN);
569 k = mpfr_frexp(&e, mx, mx, t->r);
570 mpfr_subnormalize(mx, k, t->r);
571 t->y = mpfr_get_d(mx, MPFR_RNDN);
573 t->e = eflags(isnan(t->x));
577 int mpfrexpf(struct t *t)
581 MPFR_DECL_INIT(mx, 24);
587 mpfr_set_flt(mx, t->x, MPFR_RNDN);
588 k = mpfr_frexp(&e, mx, mx, t->r);
589 mpfr_subnormalize(mx, k, t->r);
590 t->y = mpfr_get_flt(mx, MPFR_RNDN);
592 t->e = eflags(isnan(t->x));
596 int mpfrexpl(struct t *t)
600 MPFR_DECL_INIT(mx, 64);
606 mpfr_set_ld(mx, t->x, MPFR_RNDN);
607 k = mpfr_frexp(&e, mx, mx, t->r);
608 mpfr_subnormalize(mx, k, t->r);
609 t->y = mpfr_get_ld(mx, MPFR_RNDN);
611 t->e = eflags(isnan(t->x));
615 int mpldexp(struct t *t)
618 MPFR_DECL_INIT(mx, 53);
624 mpfr_set_d(mx, t->x, MPFR_RNDN);
625 k = mpfr_mul_2si(mx, mx, t->i, t->r);
626 mpfr_subnormalize(mx, k, t->r);
627 t->y = mpfr_get_d(mx, MPFR_RNDN);
628 t->e = eflags(isnan(t->x));
632 int mpldexpf(struct t *t)
635 MPFR_DECL_INIT(mx, 24);
641 mpfr_set_flt(mx, t->x, MPFR_RNDN);
642 k = mpfr_mul_2si(mx, mx, t->i, t->r);
643 mpfr_subnormalize(mx, k, t->r);
644 t->y = mpfr_get_flt(mx, MPFR_RNDN);
645 t->e = eflags(isnan(t->x));
649 int mpldexpl(struct t *t)
652 MPFR_DECL_INIT(mx, 64);
658 mpfr_set_ld(mx, t->x, MPFR_RNDN);
659 k = mpfr_mul_2si(mx, mx, t->i, t->r);
660 mpfr_subnormalize(mx, k, t->r);
661 t->y = mpfr_get_ld(mx, MPFR_RNDN);
662 t->e = eflags(isnan(t->x));
666 int mpscalbn(struct t *t) { return mpldexp(t); }
667 int mpscalbnf(struct t *t) { return mpldexpf(t); }
668 int mpscalbnl(struct t *t) { return mpldexpl(t); }
669 int mpscalbln(struct t *t) { return mpldexp(t); }
670 int mpscalblnf(struct t *t) { return mpldexpf(t); }
671 int mpscalblnl(struct t *t) { return mpldexpl(t); }
673 int mplgamma_r(struct t *t) { return mplgamma(t); }
674 int mplgammaf_r(struct t *t) { return mplgammaf(t); }
675 int mplgammal_r(struct t *t) { return mplgammal(t); }