epoc32/include/stdapis/stlportv5/stl/_valarray.c
branchSymbian2
changeset 3 e1b950c65cb4
parent 2 2fe1408b6811
child 4 837f303aceeb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/stdapis/stlportv5/stl/_valarray.c	Wed Mar 31 12:27:01 2010 +0100
     1.3 @@ -0,0 +1,203 @@
     1.4 +/*
     1.5 + *
     1.6 + * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
     1.7 + *
     1.8 + * Copyright (c) 1994
     1.9 + * Hewlett-Packard Company
    1.10 + *
    1.11 + * Copyright (c) 1996,1997
    1.12 + * Silicon Graphics Computer Systems, Inc.
    1.13 + *
    1.14 + * Copyright (c) 1997
    1.15 + * Moscow Center for SPARC Technology
    1.16 + *
    1.17 + * Copyright (c) 1999 
    1.18 + * Boris Fomitchev
    1.19 + *
    1.20 + * This material is provided "as is", with absolutely no warranty expressed
    1.21 + * or implied. Any use is at your own risk.
    1.22 + *
    1.23 + * Permission to use or copy this software for any purpose is hereby granted 
    1.24 + * without fee, provided the above notices are retained on all copies.
    1.25 + * Permission to modify the code and to distribute modified code is granted,
    1.26 + * provided the above notices are retained, and a notice that the code was
    1.27 + * modified is included with the above copyright notice.
    1.28 + *
    1.29 + */
    1.30 +#ifndef _STLP_VALARRAY_C
    1.31 +#define _STLP_VALARRAY_C
    1.32 +
    1.33 +#ifndef _STLP_VALARRAY_H
    1.34 +# include <stl/_valarray.h>
    1.35 +#endif
    1.36 +
    1.37 +_STLP_BEGIN_NAMESPACE
    1.38 +
    1.39 +template <class _Tp>
    1.40 +_Valarray_bool valarray<_Tp>:: operator!() const {
    1.41 +  _Valarray_bool __tmp(this->size(), _Valarray_bool::_NoInit());
    1.42 +  for (size_t __i = 0; __i < this->size(); ++__i)
    1.43 +    __tmp[__i] = !(*this)[__i];
    1.44 +  return __tmp;
    1.45 +}
    1.46 +
    1.47 +// Behavior is undefined if __x and *this have different sizes
    1.48 +template <class _Tp>
    1.49 +valarray<_Tp>& valarray<_Tp>::operator=(const slice_array<_Tp>& __x)
    1.50 +{
    1.51 +  size_t __index = __x._M_slice.start();
    1.52 +  for (size_t __i = 0;
    1.53 +       __i < __x._M_slice.size();
    1.54 +       ++__i, __index += __x._M_slice.stride())
    1.55 +    (*this)[__i] = (*(__x._M_array))[__index];
    1.56 +  return *this;
    1.57 +}
    1.58 +
    1.59 +template <class _Tp>
    1.60 +valarray<_Tp> valarray<_Tp>::operator[](slice __slice) const {
    1.61 +  valarray<_Tp> __tmp(__slice.size(), _NoInit());
    1.62 +  size_t __index = __slice.start();
    1.63 +  for (size_t __i = 0;
    1.64 +       __i < __slice.size();
    1.65 +       ++__i, __index += __slice.stride())
    1.66 +    __tmp[__i] = (*this)[__index];
    1.67 +  return __tmp;
    1.68 +}
    1.69 +
    1.70 +template <class _Size>
    1.71 +bool _Gslice_Iter_tmpl<_Size>::_M_incr() {
    1.72 +  size_t __dim = _M_indices.size() - 1;
    1.73 +  ++_M_step;
    1.74 +  while (true) {
    1.75 +    _M_1d_idx += _M_gslice._M_strides[__dim];
    1.76 +    if (++_M_indices[__dim] != _M_gslice._M_lengths[__dim])
    1.77 +      return true;
    1.78 +    else if (__dim != 0) {
    1.79 +      _M_1d_idx -=
    1.80 +	_M_gslice._M_strides[__dim] * _M_gslice._M_lengths[__dim];
    1.81 +      _M_indices[__dim] = 0;
    1.82 +      --__dim;
    1.83 +    }
    1.84 +    else
    1.85 +      return false;
    1.86 +  }
    1.87 +}
    1.88 +
    1.89 +// Behavior is undefined if __x and *this have different sizes, or if
    1.90 +// __x was constructed from a degenerate gslice.
    1.91 +template <class _Tp>
    1.92 +valarray<_Tp>& valarray<_Tp>::operator=(const gslice_array<_Tp>& __x)
    1.93 +{
    1.94 +  if (this->size() != 0) {
    1.95 +    _Gslice_Iter __i(__x._M_gslice);
    1.96 +    do
    1.97 +      (*this)[__i._M_step] = __x._M_array[__i._M_1d_idx];
    1.98 +    while(__i._M_incr());
    1.99 +  }
   1.100 +  return *this;
   1.101 +}
   1.102 +
   1.103 +template <class _Tp>
   1.104 +valarray<_Tp> valarray<_Tp>::operator[](gslice __slice) const
   1.105 +{
   1.106 +  valarray<_Tp> __tmp(__slice._M_size(), _NoInit());
   1.107 +  if (__tmp.size() != 0) {
   1.108 +    _Gslice_Iter __i(__slice);
   1.109 +    do __tmp[__i._M_step] = (*this)[__i._M_1d_idx]; while(__i._M_incr());
   1.110 +  }
   1.111 +  return __tmp;
   1.112 +}
   1.113 +
   1.114 +template <class _Tp>
   1.115 +valarray<_Tp> valarray<_Tp>::operator[](const _Valarray_bool& __mask) const
   1.116 +{
   1.117 +  size_t _p_size = 0;
   1.118 +  {
   1.119 +    for (size_t __i = 0; __i < __mask.size(); ++__i)
   1.120 +      if (__mask[__i]) ++_p_size;
   1.121 +  }
   1.122 +
   1.123 +  valarray<_Tp> __tmp(_p_size, _NoInit());
   1.124 +  size_t __idx = 0;
   1.125 +  {
   1.126 +    for (size_t __i = 0; __i < __mask.size(); ++__i)
   1.127 +      if (__mask[__i]) __tmp[__idx++] = (*this)[__i];
   1.128 +  }
   1.129 +
   1.130 +  return __tmp;
   1.131 +}
   1.132 +
   1.133 +template <class _Tp>
   1.134 +valarray<_Tp>& valarray<_Tp>::operator=(const indirect_array<_Tp>& __x) {
   1.135 +  for (size_t __i = 0; __i < __x._M_addr.size(); ++__i)
   1.136 +    (*this)[__i] = __x._M_array[__x._M_addr[__i]];
   1.137 +  return *this;
   1.138 +}
   1.139 +
   1.140 +template <class _Tp>
   1.141 +valarray<_Tp>
   1.142 +valarray<_Tp>::operator[](const _Valarray_size_t& __addr) const
   1.143 +{
   1.144 +  valarray<_Tp> __tmp(__addr.size(), _NoInit());
   1.145 +  for (size_t __i = 0; __i < __addr.size(); ++__i)
   1.146 +    __tmp[__i] = (*this)[__addr[__i]];
   1.147 +  return __tmp;
   1.148 +}
   1.149 +
   1.150 +//----------------------------------------------------------------------
   1.151 +// Other valarray noninline member functions
   1.152 +
   1.153 +// Shift and cshift
   1.154 +
   1.155 +template <class _Tp>
   1.156 +valarray<_Tp> valarray<_Tp>::shift(int __n) const
   1.157 +{
   1.158 +  valarray<_Tp> __tmp(this->size());
   1.159 +
   1.160 +  if (__n >= 0) {
   1.161 +    if (__n < this->size())
   1.162 +      copy(this->_M_first + __n, this->_M_first + this->size(),
   1.163 +           __tmp._M_first);
   1.164 +  }
   1.165 +  else {
   1.166 +    if (-__n < this->size())
   1.167 +      copy(this->_M_first, this->_M_first + this->size() + __n,
   1.168 +           __tmp._M_first - __n);
   1.169 +  }
   1.170 +  return __tmp;
   1.171 +}
   1.172 +
   1.173 +template <class _Tp>
   1.174 +valarray<_Tp> valarray<_Tp>::cshift(int __m) const
   1.175 +{
   1.176 +  valarray<_Tp> __tmp(this->size());
   1.177 +  
   1.178 +#ifdef __SYMBIAN32__
   1.179 +	if (!this->size())
   1.180 +		return __tmp;
   1.181 +#endif	
   1.182 +	
   1.183 +  // Reduce __m to an equivalent number in the range [0, size()).  We
   1.184 +  // have to be careful with negative numbers, since the sign of a % b
   1.185 +  // is unspecified when a < 0.
   1.186 +  long __n = __m;
   1.187 +  if (this->size() < (numeric_limits<long>::max)())
   1.188 +    __n %= long(this->size());
   1.189 +  if (__n < 0)
   1.190 +    __n += this->size();
   1.191 +
   1.192 +  copy(this->_M_first,       this->_M_first + __n,
   1.193 +       __tmp._M_first + (this->size() - __n));
   1.194 +  copy(this->_M_first + __n, this->_M_first + this->size(),
   1.195 +       __tmp._M_first);
   1.196 +
   1.197 +  return __tmp;
   1.198 +}
   1.199 +
   1.200 +_STLP_END_NAMESPACE
   1.201 +
   1.202 +#endif /*  _STLP_VALARRAY_C */
   1.203 +
   1.204 +// Local Variables:
   1.205 +// mode:C++
   1.206 +// End: