def matrix_string_representation_with_precision_test(self):
"""Test if the precision is set correctly and used when printing a Matrix.
"""
size = 2
data = [
[1.0123343, -2.012341234123],
[3.04674567566, 4.012341234120]
]
mtrx = Matrix(size, size)
mtrx.initialize(data, rowBased=True)
mtrx.set_string_precision(4)
rep = mtrx.__str__()
# should print the number with 4 digits after decimal point
self.assertTrue(rep.find(" 3.0467 ") >= 0)
self.assertTrue(rep.find(" -2.0123") >= 0)
# but should not print the full number
self.assertFalse(rep.find(" 3.04674567566") >= 0)
self.assertFalse(rep.find(" -2.012341234123 ") >= 0)
# change precision
mtrx.set_string_precision(2)
rep = mtrx.__str__()
print mtrx
# should print the number with 2 digits after decimal point
# numbers should be rounded
self.assertTrue(rep.find(" 3.05 ") >= 0)
self.assertTrue(rep.find(" -2.01") >= 0)
def matrix_string_representation_with_precision_test(self):
"""Test if the precision is set correctly and used when printing a Matrix.
"""
size = 2
data = [[1.0123343, -2.012341234123], [3.04674567566, 4.012341234120]]
mtrx = Matrix(size, size)
mtrx.initialize(data, rowBased=True)
mtrx.set_string_precision(4)
rep = mtrx.__str__()
# should print the number with 4 digits after decimal point
self.assertTrue(rep.find(" 3.0467 ") >= 0)
self.assertTrue(rep.find(" -2.0123") >= 0)
# but should not print the full number
self.assertFalse(rep.find(" 3.04674567566") >= 0)
self.assertFalse(rep.find(" -2.012341234123 ") >= 0)
# change precision
mtrx.set_string_precision(2)
rep = mtrx.__str__()
print mtrx
# should print the number with 2 digits after decimal point
# numbers should be rounded
self.assertTrue(rep.find(" 3.05 ") >= 0)
self.assertTrue(rep.find(" -2.01") >= 0)
def matrix_string_representation_test(self):
"""Test the String representation of a Matrix instance."""
matrix = Matrix(2, 2)
a = [[1, 2], [-3, 4]]
matrix.initialize(a, rowBased=True)
rep = matrix.__str__()
self.assertTrue(rep.find(" 1.0") >= 0)
self.assertTrue(rep.find(" -3.0") >= 0)
# only one space before a negative number
self.assertFalse(rep.find(" -3.0") >= 0)
self.assertTrue(rep.find("Matrix") >= 0)
def matrix_string_representation_test(self):
"""Test the String representation of a Matrix instance."""
matrix = Matrix(2, 2)
a = [[1, 2], [-3, 4]]
matrix.initialize(a, rowBased=True)
rep = matrix.__str__()
self.assertTrue(rep.find(" 1.0") >= 0)
self.assertTrue(rep.find(" -3.0") >= 0)
# only one space before a negative number
self.assertFalse(rep.find(" -3.0") >= 0)
self.assertTrue(rep.find("Matrix") >= 0)
