�&ǐk�@'bJ�h�ۊL'}T� :��'2�Z#$��n�a��� �>a��`��_3d�Qpt�/�P -��#5�,�M��� �pA:©�q�����NW��ډ�A���� �9nʺج���� �TSM��{J6?7��r�@�\����D��� �׶���s�f�TJj?"��D��`?��̒� b�#�%�C*v�$�{�$����5Ծ�F�s��y�e/8��h-�f�̰&(����Gj�L:U� 2�� ����v�_k����Y��gp,�k�WF�R������_C�R��N@���R�@�ߔ?A�w9���F("iNa-S���Q�o�3tDMLh*�#4k�T/iQ��Y*�G��m����)��8�hBm/�I�,g�ﯖ���Z��}�Cz�q@´��d.����L�ŕ�,��1�Z�܌�: ̪���F+J-'��c�tvJ8��]Q-��b��y �6;*J`r_�d ��'�G ~p��)'�C,�%F��E(��2�k�����lР�z�!�=t ��_�0��f7��� ;�p�|�U �%. */ #ifndef _IEEE754_H #define _IEEE754_H 1 #include #include __BEGIN_DECLS union ieee754_float { float f; /* This is the IEEE 754 single-precision format. */ struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned int negative:1; unsigned int exponent:8; unsigned int mantissa:23; #endif /* Big endian. */ #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int mantissa:23; unsigned int exponent:8; unsigned int negative:1; #endif /* Little endian. */ } ieee; /* This format makes it easier to see if a NaN is a signalling NaN. */ struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned int negative:1; unsigned int exponent:8; unsigned int quiet_nan:1; unsigned int mantissa:22; #endif /* Big endian. */ #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int mantissa:22; unsigned int quiet_nan:1; unsigned int exponent:8; unsigned int negative:1; #endif /* Little endian. */ } ieee_nan; }; #define IEEE754_FLOAT_BIAS 0x7f /* Added to exponent. */ union ieee754_double { double d; /* This is the IEEE 754 double-precision format. */ struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned int negative:1; unsigned int exponent:11; /* Together these comprise the mantissa. */ unsigned int mantissa0:20; unsigned int mantissa1:32; #endif /* Big endian. */ #if __BYTE_ORDER == __LITTLE_ENDIAN # if __FLOAT_WORD_ORDER == __BIG_ENDIAN unsigned int mantissa0:20; unsigned int exponent:11; unsigned int negative:1; unsigned int mantissa1:32; # else /* Together these comprise the mantissa. */ unsigned int mantissa1:32; unsigned int mantissa0:20; unsigned int exponent:11; unsigned int negative:1; # endif #endif /* Little endian. */ } ieee; /* This format makes it easier to see if a NaN is a signalling NaN. */ struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned int negative:1; unsigned int exponent:11; unsigned int quiet_nan:1; /* Together these comprise the mantissa. */ unsigned int mantissa0:19; unsigned int mantissa1:32; #else # if __FLOAT_WORD_ORDER == __BIG_ENDIAN unsigned int mantissa0:19; unsigned int quiet_nan:1; unsigned int exponent:11; unsigned int negative:1; unsigned int mantissa1:32; # else /* Together these comprise the mantissa. */ unsigned int mantissa1:32; unsigned int mantissa0:19; unsigned int quiet_nan:1; unsigned int exponent:11; unsigned int negative:1; # endif #endif } ieee_nan; }; #define IEEE754_DOUBLE_BIAS 0x3ff /* Added to exponent. */ union ieee854_long_double { long double d; /* This is the IEEE 854 double-extended-precision format. */ struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned int negative:1; unsigned int exponent:15; unsigned int empty:16; unsigned int mantissa0:32; unsigned int mantissa1:32; #endif #if __BYTE_ORDER == __LITTLE_ENDIAN # if __FLOAT_WORD_ORDER == __BIG_ENDIAN unsigned int exponent:15; unsigned int negative:1; unsigned int empty:16; unsigned int mantissa0:32; unsigned int mantissa1:32; # else unsigned int mantissa1:32; unsigned int mantissa0:32; unsigned int exponent:15; unsigned int negative:1; unsigned int empty:16; # endif #endif } ieee; /* This is for NaNs in the IEEE 854 double-extended-precision format. */ struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned int negative:1; unsigned int exponent:15; unsigned int empty:16; unsigned int one:1; unsigned int quiet_nan:1; unsigned int mantissa0:30; unsigned int mantissa1:32; #endif #if __BYTE_ORDER == __LITTLE_ENDIAN # if __FLOAT_WORD_ORDER == __BIG_ENDIAN unsigned int exponent:15; unsigned int negative:1; unsigned int empty:16; unsigned int mantissa0:30; unsigned int quiet_nan:1; unsigned int one:1; unsigned int mantissa1:32; # else unsigned int mantissa1:32; unsigned int mantissa0:30; unsigned int quiet_nan:1; unsigned int one:1; unsigned int exponent:15; unsigned int negative:1; unsigned int empty:16; # endif #endif } ieee_nan; }; #define IEEE854_LONG_DOUBLE_BIAS 0x3fff __END_DECLS #endif /* ieee754.h */