Cross Reference: /illumos-gate/usr/src/lib/libc/port/fp/double

Lines Matching defs:pf
155  * Convert a base-10^4 _big_float *pf to a decimal string in *pd,
158  * assumed to follow those in *pf.  pd->sign must have already been
172  * *pf may be modified.
175 __big_decimal_to_string(_big_float *pf, int sticky, decimal_mode *pm,
182 	/* set e = floor(log10(*pf)) */
183 	i = pf->blength - 1;
185 		e = pf->bexponent = -DECIMAL_STRING_LENGTH - 2;
187 		e = pf->bexponent + (i << 2);
188 		d = pf->bsignificand[i];
229 	for (e = efirst; e >= pf->bexponent + (pf->blength << 2) &&
233 	i = pf->blength - 1;
234 	j = 3 - ((e - pf->bexponent) & 3);
236 		__four_digits_quick(pf->bsignificand[i], s);
247 		__four_digits_quick(pf->bsignificand[i], pd->ds + is);
255 			__four_digits_quick(pf->bsignificand[i], s);
272 		sticky |= pf->bsignificand[i--];
333  * Convert a binary floating point value represented by *pf to a
450 __double_to_bigfloat(double *px, _big_float *pf)
455 	pf->bsize = _BIG_FLOAT_SIZE;
456 	pf->bexponent = x->f.msw.exponent - DOUBLE_BIAS - 52;
457 	pf->blength = 4;
458 	pf->bsignificand[0] = x->f.significand2 & 0xffff;
459 	pf->bsignificand[1] = x->f.significand2 >> 16;
460 	pf->bsignificand[2] = x->f.msw.significand & 0xffff;
461 	pf->bsignificand[3] = x->f.msw.significand >> 16;
463 		pf->bexponent++;
464 		while (pf->bsignificand[pf->blength - 1] == 0)
465 			pf->blength--;
467 		pf->bsignificand[3] += 0x10;
469 	__shorten(pf);
476 __extended_to_bigfloat(extended *px, _big_float *pf)
481 	pf->bsize = _BIG_FLOAT_SIZE;
482 	pf->bexponent = x->f.msw.exponent - EXTENDED_BIAS - 63;
483 	pf->blength = 4;
484 	pf->bsignificand[0] = x->f.significand2 & 0xffff;
485 	pf->bsignificand[1] = x->f.significand2 >> 16;
486 	pf->bsignificand[2] = x->f.significand & 0xffff;
487 	pf->bsignificand[3] = x->f.significand >> 16;
489 		pf->bexponent++;
490 		while (pf->bsignificand[pf->blength - 1] == 0)
491 			pf->blength--;
493 	__shorten(pf);
500 __quadruple_to_bigfloat(quadruple *px, _big_float *pf)
505 	pf->bsize = _BIG_FLOAT_SIZE;
506 	pf->bexponent = x->f.msw.exponent - QUAD_BIAS - 112;
507 	pf->bsignificand[0] = x->f.significand4 & 0xffff;
508 	pf->bsignificand[1] = x->f.significand4 >> 16;
509 	pf->bsignificand[2] = x->f.significand3 & 0xffff;
510 	pf->bsignificand[3] = x->f.significand3 >> 16;
511 	pf->bsignificand[4] = x->f.significand2 & 0xffff;
512 	pf->bsignificand[5] = x->f.significand2 >> 16;
513 	pf->bsignificand[6] = x->f.msw.significand;
515 		pf->blength = 7;
516 		pf->bexponent++;
517 		while (pf->bsignificand[pf->blength - 1] == 0)
518 			pf->blength--;
520 		pf->blength = 8;
521 		pf->bsignificand[7] = 1;
523 	__shorten(pf);