diff options
Diffstat (limited to 'numpy/lib/polynomial.py')
| -rw-r--r-- | numpy/lib/polynomial.py | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py index 94da4784c..47078ae88 100644 --- a/numpy/lib/polynomial.py +++ b/numpy/lib/polynomial.py @@ -125,7 +125,7 @@ def poly(seq_of_zeros): elif len(sh) == 1: pass else: - raise ValueError, "input must be 1d or square 2d array." + raise ValueError("input must be 1d or square 2d array.") if len(seq_of_zeros) == 0: return 1.0 @@ -198,7 +198,7 @@ def roots(p): # If input is scalar, this makes it an array p = atleast_1d(p) if len(p.shape) != 1: - raise ValueError,"Input must be a rank-1 array." + raise ValueError("Input must be a rank-1 array.") # find non-zero array entries non_zero = NX.nonzero(NX.ravel(p))[0] @@ -299,7 +299,7 @@ def polyint(p, m=1, k=None): """ m = int(m) if m < 0: - raise ValueError, "Order of integral must be positive (see polyder)" + raise ValueError("Order of integral must be positive (see polyder)") if k is None: k = NX.zeros(m, float) k = atleast_1d(k) @@ -377,7 +377,7 @@ def polyder(p, m=1): """ m = int(m) if m < 0: - raise ValueError, "Order of derivative must be positive (see polyint)" + raise ValueError("Order of derivative must be positive (see polyint)") truepoly = isinstance(p, poly1d) p = NX.asarray(p) @@ -531,15 +531,15 @@ def polyfit(x, y, deg, rcond=None, full=False): # check arguments. if deg < 0 : - raise ValueError, "expected deg >= 0" + raise ValueError("expected deg >= 0") if x.ndim != 1: - raise TypeError, "expected 1D vector for x" + raise TypeError("expected 1D vector for x") if x.size == 0: - raise TypeError, "expected non-empty vector for x" + raise TypeError("expected non-empty vector for x") if y.ndim < 1 or y.ndim > 2 : - raise TypeError, "expected 1D or 2D array for y" + raise TypeError("expected 1D or 2D array for y") if x.shape[0] != y.shape[0] : - raise TypeError, "expected x and y to have same length" + raise TypeError("expected x and y to have same length") # set rcond if rcond is None : @@ -1010,7 +1010,7 @@ class poly1d(object): c_or_r = poly(c_or_r) c_or_r = atleast_1d(c_or_r) if len(c_or_r.shape) > 1: - raise ValueError, "Polynomial must be 1d only." + raise ValueError("Polynomial must be 1d only.") c_or_r = trim_zeros(c_or_r, trim='f') if len(c_or_r) == 0: c_or_r = NX.array([0.]) @@ -1125,7 +1125,7 @@ class poly1d(object): def __pow__(self, val): if not isscalar(val) or int(val) != val or val < 0: - raise ValueError, "Power to non-negative integers only." + raise ValueError("Power to non-negative integers only.") res = [1] for _ in range(val): res = polymul(self.coeffs, res) @@ -1164,7 +1164,7 @@ class poly1d(object): return NX.any(self.coeffs != other.coeffs) def __setattr__(self, key, val): - raise ValueError, "Attributes cannot be changed this way." + raise ValueError("Attributes cannot be changed this way.") def __getattr__(self, key): if key in ['r', 'roots']: @@ -1190,7 +1190,7 @@ class poly1d(object): def __setitem__(self, key, val): ind = self.order - key if key < 0: - raise ValueError, "Does not support negative powers." + raise ValueError("Does not support negative powers.") if key > self.order: zr = NX.zeros(key-self.order, self.coeffs.dtype) self.__dict__['coeffs'] = NX.concatenate((zr, self.coeffs)) |