Python dup_count_real_roots示例

示例#1

文件： test_rootisolation.py 项目： devs1991/test_edx_docmode

def test_dup_count_real_roots():
    assert dup_count_real_roots([], ZZ) == 0
    assert dup_count_real_roots([7], ZZ) == 0

    assert dup_count_real_roots([1, -1], ZZ) == 1
    assert dup_count_real_roots([1, -1], ZZ, inf=1) == 1
    assert dup_count_real_roots([1, -1], ZZ, sup=0) == 0
    assert dup_count_real_roots([1, -1], ZZ, sup=1) == 1
    assert dup_count_real_roots([1, -1], ZZ, inf=0, sup=1) == 1
    assert dup_count_real_roots([1, -1], ZZ, inf=0, sup=2) == 1
    assert dup_count_real_roots([1, -1], ZZ, inf=1, sup=2) == 1

    assert dup_count_real_roots([1, 0, -2], ZZ) == 2
    assert dup_count_real_roots([1, 0, -2], ZZ, sup=0) == 1
    assert dup_count_real_roots([1, 0, -2], ZZ, inf=-1, sup=1) == 0

示例#2

文件： test_rootisolation.py 项目： 101man/sympy

def test_dup_count_real_roots():
    assert dup_count_real_roots([], ZZ) == 0
    assert dup_count_real_roots([7], ZZ) == 0

    assert dup_count_real_roots([1,-1], ZZ) == 1
    assert dup_count_real_roots([1,-1], ZZ, inf=1) == 1
    assert dup_count_real_roots([1,-1], ZZ, sup=0) == 0
    assert dup_count_real_roots([1,-1], ZZ, sup=1) == 1
    assert dup_count_real_roots([1,-1], ZZ, inf=0, sup=1) == 1
    assert dup_count_real_roots([1,-1], ZZ, inf=0, sup=2) == 1
    assert dup_count_real_roots([1,-1], ZZ, inf=1, sup=2) == 1

    assert dup_count_real_roots([1,0,-2], ZZ) == 2
    assert dup_count_real_roots([1,0,-2], ZZ, sup=0) == 1
    assert dup_count_real_roots([1,0,-2], ZZ, inf=-1, sup=1) == 0

示例#3

文件： polyclasses.py 项目： fxkr/sympy

 def count_real_roots(f, inf=None, sup=None):
     """Return the number of real roots of ``f`` in ``[inf, sup]``. """
     return dup_count_real_roots(f.rep, f.dom, inf=inf, sup=sup)

示例#4

 def count_real_roots(f, inf=None, sup=None):
     """Return the number of real roots of ``f`` in ``[inf, sup]``. """
     return dup_count_real_roots(f.rep, f.dom, inf=inf, sup=sup)