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adapted ringbug operator[] for timer's needs

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This was SVN commit r507.
This commit is contained in:
janwas 2004-06-14 13:27:33 +00:00
parent e1997e6b31
commit 7fb1f4892e
1 changed files with 4 additions and 4 deletions
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8
source/lib/adts.h
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@ -42,7 +42,7 @@ struct BIT_BUF
};
template<class T, int n> struct RingBuf
template<class T, size_t n> struct RingBuf
{
size_t size_; // # of entries in buffer
size_t pos; // index of oldest data
@ -52,10 +52,10 @@ template<class T, int n> struct RingBuf
void clear() { size_ = 0; pos = 0; }
size_t size() { return size_; }
const T& operator[](int idx) const
const T& operator[](int ofs) const
{
assert(idx < n);
return data[idx];
size_t idx = (size_t)(pos + ofs);
return data[idx % n];
}
void push_back(const T& item)