diff options
Diffstat (limited to 'common/cosinetables.cpp')
| -rw-r--r-- | common/cosinetables.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/common/cosinetables.cpp b/common/cosinetables.cpp index fe8f454e14..3b245750fa 100644 --- a/common/cosinetables.cpp +++ b/common/cosinetables.cpp @@ -34,10 +34,10 @@ CosineTable::CosineTable(int bitPrecision) { int m = 1 << _bitPrecision; double freq = 2 * M_PI / m; - _table = new float[m]; + _table = new float[m / 2]; - // Table contains cos(2*pi*x/n) for 0<=x<=n/4, - // followed by its reverse + // Table contains cos(2*pi*i/m) for 0<=i<m/4, + // followed by 3m/4<=i<m for (int i = 0; i <= m / 4; i++) _table[i] = cos(i * freq); |