\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """Tests for polyutils module. """ import numpy as np import numpy.polynomial.polyutils as pu from numpy.testing import ( assert_almost_equal, assert_raises, assert_equal, assert_, ) class TestMisc: def test_trimseq(self): for i in range(5): tgt = [1] res = pu.trimseq([1] + [0]*5) assert_equal(res, tgt) def test_as_series(self): # check exceptions assert_raises(ValueError, pu.as_series, [[]]) assert_raises(ValueError, pu.as_series, [[[1, 2]]]) assert_raises(ValueError, pu.as_series, [[1], ['a']]) # check common types types = ['i', 'd', 'O'] for i in range(len(types)): for j in range(i): ci = np.ones(1, types[i]) cj = np.ones(1, types[j]) [resi, resj] = pu.as_series([ci, cj]) assert_(resi.dtype.char == resj.dtype.char) assert_(resj.dtype.char == types[i]) def test_trimcoef(self): coef = [2, -1, 1, 0] # Test exceptions assert_raises(ValueError, pu.trimcoef, coef, -1) # Test results assert_equal(pu.trimcoef(coef), coef[:-1]) assert_equal(pu.trimcoef(coef, 1), coef[:-3]) assert_equal(pu.trimcoef(coef, 2), [0]) def test_vander_nd_exception(self): # n_dims != len(points) assert_raises(ValueError, pu._vander_nd, (), (1, 2, 3), [90]) # n_dims != len(degrees) assert_raises(ValueError, pu._vander_nd, (), (), [90.65]) # n_dims == 0 assert_raises(ValueError, pu._vander_nd, (), (), []) def test_div_zerodiv(self): # c2[-1] == 0 assert_raises(ZeroDivisionError, pu._div, pu._div, (1, 2, 3), [0]) def test_pow_too_large(self): # power > maxpower