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Diffstat (limited to 'numpy/linalg/linalg.py')
| -rw-r--r-- | numpy/linalg/linalg.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/numpy/linalg/linalg.py b/numpy/linalg/linalg.py index 4937b6244..8dec67318 100644 --- a/numpy/linalg/linalg.py +++ b/numpy/linalg/linalg.py @@ -582,6 +582,11 @@ def det(a): lapack_routine = lapack_lite.dgetrf pivots = zeros((n,), fortran_int) results = lapack_routine(n, n, a, n, pivots, 0) + info = results['info'] + if (info < 0): + raise TypeError, "Illegal input to Fortran routine" + elif (info > 0): + return 0.0 sign = add.reduce(pivots != arange(1, n+1)) % 2 return (1.-2.*sign)*multiply.reduce(diagonal(a),axis=-1) |