--- /dev/null
+/*
+ * Copyright (c) 1998
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+#ifndef _STLP_BITSET_C
+#define _STLP_BITSET_C
+
+#ifndef _STLP_BITSET_H
+# include <stl/_bitset.h>
+#endif
+
+#define __BITS_PER_WORD (CHAR_BIT * sizeof(unsigned long))
+
+_STLP_BEGIN_NAMESPACE
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+//
+// Definitions of non-inline functions from _Base_bitset.
+//
+template<size_t _Nw>
+void _Base_bitset<_Nw>::_M_do_left_shift(size_t __shift) {
+ if (__shift != 0) {
+ const size_t __wshift = __shift / __BITS_PER_WORD;
+ const size_t __offset = __shift % __BITS_PER_WORD;
+
+ if (__offset == 0)
+ for (size_t __n = _Nw - 1; __n >= __wshift; --__n)
+ _M_w[__n] = _M_w[__n - __wshift];
+
+ else {
+ const size_t __sub_offset = __BITS_PER_WORD - __offset;
+ for (size_t __n = _Nw - 1; __n > __wshift; --__n)
+ _M_w[__n] = (_M_w[__n - __wshift] << __offset) |
+ (_M_w[__n - __wshift - 1] >> __sub_offset);
+ _M_w[__wshift] = _M_w[0] << __offset;
+ }
+
+ fill(_M_w + 0, _M_w + __wshift, __STATIC_CAST(_WordT,0));
+ }
+}
+
+template<size_t _Nw>
+void _Base_bitset<_Nw>::_M_do_right_shift(size_t __shift) {
+ if (__shift != 0) {
+ const size_t __wshift = __shift / __BITS_PER_WORD;
+ const size_t __offset = __shift % __BITS_PER_WORD;
+ const size_t __limit = _Nw - __wshift - 1;
+
+ if (__offset == 0)
+ for (size_t __n = 0; __n <= __limit; ++__n)
+ _M_w[__n] = _M_w[__n + __wshift];
+
+ else {
+ const size_t __sub_offset = __BITS_PER_WORD - __offset;
+ for (size_t __n = 0; __n < __limit; ++__n)
+ _M_w[__n] = (_M_w[__n + __wshift] >> __offset) |
+ (_M_w[__n + __wshift + 1] << __sub_offset);
+ _M_w[__limit] = _M_w[_Nw-1] >> __offset;
+ }
+
+ fill(_M_w + __limit + 1, _M_w + _Nw, __STATIC_CAST(_WordT,0));
+ }
+}
+
+template<size_t _Nw>
+unsigned long _Base_bitset<_Nw>::_M_do_to_ulong() const {
+ for (size_t __i = 1; __i < _Nw; ++__i)
+ if (_M_w[__i])
+ __stl_throw_overflow_error("bitset");
+ return _M_w[0];
+} // End _M_do_to_ulong
+
+template<size_t _Nw>
+size_t _Base_bitset<_Nw>::_M_do_find_first(size_t __not_found) const {
+ for ( size_t __i = 0; __i < _Nw; __i++ ) {
+ _WordT __thisword = _M_w[__i];
+ if ( __thisword != __STATIC_CAST(_WordT,0) ) {
+ // find byte within word
+ for ( size_t __j = 0; __j < sizeof(_WordT); __j++ ) {
+ unsigned char __this_byte
+ = __STATIC_CAST(unsigned char,(__thisword & (~(unsigned char)0)));
+ if ( __this_byte )
+ return __i*__BITS_PER_WORD + __j*CHAR_BIT +
+ _Bs_G::_S_first_one(__this_byte);
+
+ __thisword >>= CHAR_BIT;
+ }
+ }
+ }
+ // not found, so return an indication of failure.
+ return __not_found;
+}
+
+template<size_t _Nw>
+size_t
+_Base_bitset<_Nw>::_M_do_find_next(size_t __prev,
+ size_t __not_found) const {
+ // make bound inclusive
+ ++__prev;
+
+ // check out of bounds
+ if ( __prev >= _Nw * __BITS_PER_WORD )
+ return __not_found;
+
+ // search first word
+ size_t __i = _S_whichword(__prev);
+ _WordT __thisword = _M_w[__i];
+
+ // mask off bits below bound
+ __thisword &= (~__STATIC_CAST(_WordT,0)) << _S_whichbit(__prev);
+
+ if ( __thisword != __STATIC_CAST(_WordT,0) ) {
+ // find byte within word
+ // get first byte into place
+ __thisword >>= _S_whichbyte(__prev) * CHAR_BIT;
+ for ( size_t __j = _S_whichbyte(__prev); __j < sizeof(_WordT); ++__j ) {
+ unsigned char __this_byte
+ = __STATIC_CAST(unsigned char,(__thisword & (~(unsigned char)0)));
+ if ( __this_byte )
+ return __i*__BITS_PER_WORD + __j*CHAR_BIT +
+ _Bs_G::_S_first_one(__this_byte);
+
+ __thisword >>= CHAR_BIT;
+ }
+ }
+
+ // check subsequent words
+ ++__i;
+ for ( ; __i < _Nw; ++__i ) {
+ /* _WordT */ __thisword = _M_w[__i];
+ if ( __thisword != __STATIC_CAST(_WordT,0) ) {
+ // find byte within word
+ for ( size_t __j = 0; __j < sizeof(_WordT); ++__j ) {
+ unsigned char __this_byte
+ = __STATIC_CAST(unsigned char,(__thisword & (~(unsigned char)0)));
+ if ( __this_byte )
+ return __i*__BITS_PER_WORD + __j*CHAR_BIT +
+ _Bs_G::_S_first_one(__this_byte);
+
+ __thisword >>= CHAR_BIT;
+ }
+ }
+ }
+
+ // not found, so return an indication of failure.
+ return __not_found;
+} // end _M_do_find_next
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+#if !defined (_STLP_NON_TYPE_TMPL_PARAM_BUG)
+
+# if !defined (_STLP_USE_NO_IOSTREAMS)
+
+_STLP_END_NAMESPACE
+
+#ifndef _STLP_STRING_IO_H
+# include <stl/_string_io.h> //includes _istream.h and _ostream.h
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+template <class _CharT, class _Traits, size_t _Nb>
+basic_istream<_CharT, _Traits>& _STLP_CALL
+operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x) {
+ basic_string<_CharT, _Traits> __tmp;
+ __tmp.reserve(_Nb);
+
+ // Skip whitespace
+ typename basic_istream<_CharT, _Traits>::sentry __sentry(__is);
+ if (__sentry) {
+ basic_streambuf<_CharT, _Traits>* __buf = __is.rdbuf();
+ for (size_t __i = 0; __i < _Nb; ++__i) {
+ static typename _Traits::int_type __eof = _Traits::eof();
+
+ typename _Traits::int_type __c1 = __buf->sbumpc();
+ if (_Traits::eq_int_type(__c1, __eof)) {
+ __is.setstate(ios_base::eofbit);
+ break;
+ }
+ else {
+ typename _Traits::char_type __c2 = _Traits::to_char_type(__c1);
+ char __c = __is.narrow(__c2, '*');
+
+ if (__c == '0' || __c == '1')
+ __tmp.push_back(__c);
+ else if (_Traits::eq_int_type(__buf->sputbackc(__c2), __eof)) {
+ __is.setstate(ios_base::failbit);
+ break;
+ }
+ }
+ }
+
+ if (__tmp.empty())
+ __is.setstate(ios_base::failbit);
+ else
+ __x._M_copy_from_string(__tmp, __STATIC_CAST(size_t,0), _Nb);
+ }
+
+ return __is;
+}
+
+template <class _CharT, class _Traits, size_t _Nb>
+basic_ostream<_CharT, _Traits>& _STLP_CALL
+operator<<(basic_ostream<_CharT, _Traits>& __os,
+ const bitset<_Nb>& __x) {
+ basic_string<_CharT, _Traits> __tmp;
+ __x._M_copy_to_string(__tmp);
+ return __os << __tmp;
+}
+
+# endif /* !_STLP_USE_NO_IOSTREAMS */
+
+#endif /* _STLP_NON_TYPE_TMPL_PARAM_BUG */
+
+_STLP_END_NAMESPACE
+
+#undef __BITS_PER_WORD
+#undef bitset
+
+#endif /* _STLP_BITSET_C */
projects / polintos / scott / priv.git / blobdiff