65 static int floatformat_always_valid (const struct floatformat *fmt,
69 floatformat_always_valid (const struct floatformat *fmt ATTRIBUTE_UNUSED,  in floatformat_always_valid()
169 static int floatformat_i387_ext_is_valid (const struct floatformat *fmt,
173 floatformat_i387_ext_is_valid (const struct floatformat *fmt, const void *from)  in floatformat_i387_ext_is_valid()  argument
182   exponent = get_field (ufrom, fmt->byteorder, fmt->totalsize,  in floatformat_i387_ext_is_valid()
183 			fmt->exp_start, fmt->exp_len);  in floatformat_i387_ext_is_valid()
184   int_bit = get_field (ufrom, fmt->byteorder, fmt->totalsize,  in floatformat_i387_ext_is_valid()
185 		       fmt->man_start, 1);  in floatformat_i387_ext_is_valid()
289 floatformat_ibm_long_double_is_valid (const struct floatformat *fmt,  in floatformat_ibm_long_double_is_valid()  argument
293   const struct floatformat *hfmt = fmt->split_half;  in floatformat_ibm_long_double_is_valid()
400 mant_bits_set (const struct floatformat *fmt, const unsigned char *ufrom)  in mant_bits_set()  argument
405   mant_off = fmt->man_start;  in mant_bits_set()
406   mant_bits_left = fmt->man_len;  in mant_bits_set()
411       if (get_field (ufrom, fmt->byteorder, fmt->totalsize,  in mant_bits_set()
466 floatformat_to_double (const struct floatformat *fmt,  in floatformat_to_double()  argument
480   exponent = get_field (ufrom, fmt->byteorder, fmt->totalsize,  in floatformat_to_double()
481 			fmt->exp_start, fmt->exp_len);  in floatformat_to_double()
486   if ((unsigned long) exponent == fmt->exp_nan)  in floatformat_to_double()
488       int nan = mant_bits_set (fmt, ufrom);  in floatformat_to_double()
502       if (get_field (ufrom, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1))  in floatformat_to_double()
510   mant_bits_left = fmt->man_len;  in floatformat_to_double()
511   mant_off = fmt->man_start;  in floatformat_to_double()
519     exponent = 1 - fmt->exp_bias;  in floatformat_to_double()
522       exponent -= fmt->exp_bias;  in floatformat_to_double()
528       if (fmt->intbit == floatformat_intbit_no)  in floatformat_to_double()
538       mant = get_field (ufrom, fmt->byteorder, fmt->totalsize,  in floatformat_to_double()
548   if (get_field (ufrom, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1))  in floatformat_to_double()
602 floatformat_from_double (const struct floatformat *fmt,  in floatformat_from_double()  argument
613   memset (uto, 0, fmt->totalsize / FLOATFORMAT_CHAR_BIT);  in floatformat_from_double()
622       put_field (uto, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1, 1);  in floatformat_from_double()
635       put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start,  in floatformat_from_double()
636 		 fmt->exp_len, fmt->exp_nan);  in floatformat_from_double()
638       put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start,  in floatformat_from_double()
647       put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start,  in floatformat_from_double()
648 		 fmt->exp_len, fmt->exp_nan);  in floatformat_from_double()
653   if (exponent + fmt->exp_bias - 1 > 0)  in floatformat_from_double()
654     put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start,  in floatformat_from_double()
655 	       fmt->exp_len, exponent + fmt->exp_bias - 1);  in floatformat_from_double()
660       put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start,  in floatformat_from_double()
661 		 fmt->exp_len, 0);  in floatformat_from_double()
662       mant = ldexp (mant, exponent + fmt->exp_bias - 1);  in floatformat_from_double()
665   mant_bits_left = fmt->man_len;  in floatformat_from_double()
666   mant_off = fmt->man_start;  in floatformat_from_double()
678       if ((unsigned int) mant_bits_left == fmt->man_len  in floatformat_from_double()
679 	  && fmt->intbit == floatformat_intbit_no  in floatformat_from_double()
680 	  && exponent + fmt->exp_bias - 1 > 0)  in floatformat_from_double()
692       put_field (uto, fmt->byteorder, fmt->totalsize,  in floatformat_from_double()
702 floatformat_is_valid (const struct floatformat *fmt, const void *from)  in floatformat_is_valid()  argument
704   return fmt->is_valid (fmt, from);  in floatformat_is_valid()