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| author | Patrick Simianer <p@simianer.de> | 2012-07-06 11:45:32 +0200 |
|---|---|---|
| committer | Patrick Simianer <p@simianer.de> | 2012-07-06 11:45:32 +0200 |
| commit | 45a1af0ff9c164978f91b2734fb24c45551aa25c (patch) | |
| tree | a3cb13ccc47386b2e51e1fb50fa9a96d5d7fa905 /python/src/vectors.pxi | |
| parent | 4ec3625b3a1aa9cb417f8a551ad6723626a4c656 (diff) | |
| parent | 757f56e391bd2e1d7442ab38fc98aff00d064d38 (diff) | |
Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'python/src/vectors.pxi')
| -rw-r--r-- | python/src/vectors.pxi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/python/src/vectors.pxi b/python/src/vectors.pxi index fc0c365f..ce95968c 100644 --- a/python/src/vectors.pxi +++ b/python/src/vectors.pxi @@ -80,6 +80,12 @@ cdef class SparseVector: def __contains__(self, char* fname): return self.vector.nonzero(FDConvert(fname)) + + def __neg__(self): + cdef SparseVector result = SparseVector() + result.vector = new FastSparseVector[weight_t](self.vector[0]) + result.vector[0] *= -1.0 + return result def __iadd__(SparseVector self, SparseVector other): self.vector[0] += other.vector[0] |