本文整理汇总了Python中pyalgotrade.utils.collections.intersect函数的典型用法代码示例。如果您正苦于以下问题：Python intersect函数的具体用法？Python intersect怎么用？Python intersect使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了intersect函数的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testEmptyIntersection
def testEmptyIntersection(self):
values, ix1, ix2 = collections.intersect([1, 2, 3], [4, 5, 6])
self.assertEqual(len(values), 0)
self.assertEqual(len(ix1), 0)
self.assertEqual(len(ix2), 0)
values, ix1, ix2 = collections.intersect([], [])
self.assertEqual(len(values), 0)
self.assertEqual(len(ix1), 0)
self.assertEqual(len(ix2), 0)示例2: testPartialIntersectionSkipNones
def testPartialIntersectionSkipNones(self):
v1 = [None, 1, None, None, 2, None, 3, None, 4]
v2 = [1, None, 2, None, 3, 4]
values, ix1, ix2 = collections.intersect(v1, v2, True)
self.assertEqual(values, [1, 2, 3, 4])
self.assertEqual(ix1, [1, 4, 6, 8])
self.assertEqual(ix2, [0, 2, 4, 5])
values, ix2, ix1 = collections.intersect(v2, v1, True)
self.assertEqual(values, [1, 2, 3, 4])
self.assertEqual(ix1, [1, 4, 6, 8])
self.assertEqual(ix2, [0, 2, 4, 5])示例3: testPartialIntersection6
def testPartialIntersection6(self):
v1 = [1, 1, 2, 2, 3, 3]
v2 = [1, 2, 3]
values, ix1, ix2 = collections.intersect(v1, v2)
self.assertEqual(values, [1, 2, 3])
self.assertEqual(ix1, [0, 2, 4])
self.assertEqual(ix2, [0, 1, 2])
values, ix2, ix1 = collections.intersect(v2, v1)
self.assertEqual(values, [1, 2, 3])
self.assertEqual(ix1, [0, 2, 4])
self.assertEqual(ix2, [0, 1, 2])示例4: update
def update(self):
if self.__isDirty():
# Search for datetime intersections between the data series,
# but start right after the last one found.
ds1DateTimes = self.__ds1.getDecorated().getDateTimes()
ds2DateTimes = self.__ds2.getDecorated().getDateTimes()
if self.__lastPos1 != None:
ds1DateTimes = ds1DateTimes[self.__lastPos1+1:]
if self.__lastPos2 != None:
ds2DateTimes = ds2DateTimes[self.__lastPos2+1:]
# Calculate the intersections.
dateTimes, pos1, pos2 = collections.intersect(ds1DateTimes, ds2DateTimes)
# Update each array's relative position to make them absolute positions.
if self.__lastPos1 != None and len(pos1):
pos1 = [self.__lastPos1 + pos + 1 for pos in pos1]
if self.__lastPos2 != None and len(pos2):
pos2 = [self.__lastPos2 + pos + 1 for pos in pos2]
# Update the last intersection.
if len(pos1):
self.__lastPos1 = pos1[-1]
if len(pos2):
self.__lastPos2 = pos2[-1]
# Update the aligned data series.
self.__ds1.update(dateTimes, pos1)
self.__ds2.update(dateTimes, pos2)
self.__resetDirty()示例5: testPartialIntersection2
def testPartialIntersection2(self):
values, ix1, ix2 = collections.intersect([1, 2, 4], [1, 2, 3])
self.assertEqual(len(values), 2)
self.assertEqual(values[0], 1)
self.assertEqual(values[1], 2)
self.assertEqual(ix1[0], 0)
self.assertEqual(ix1[1], 1)
self.assertEqual(ix2[0], 0)
self.assertEqual(ix2[1], 1)示例6: testFullIntersectionWithDateTimes
def testFullIntersectionWithDateTimes(self):
size = 1000
dateTimes1 = []
dateTimes2 = []
now = datetime.datetime.now()
for i in xrange(size):
dateTimes1.append(now + datetime.timedelta(seconds=i))
dateTimes2.append(now + datetime.timedelta(seconds=i))
self.assertEqual(dateTimes1, dateTimes2)
values, ix1, ix2 = collections.intersect(dateTimes1, dateTimes2)
self.assertEqual(values, dateTimes1)
self.assertEqual(values, dateTimes2)
self.assertEqual(ix1, list(range(size)))
self.assertEqual(ix1, ix2)示例7: testFullIntersection
def testFullIntersection(self):
values, ix1, ix2 = collections.intersect([1, 2, 3], [1, 2, 3])
self.assertEqual(len(values), 3)
self.assertEqual(len(ix1), 3)
self.assertEqual(len(ix2), 3)
self.assertEqual(ix1, ix2)示例8: testPartialIntersection5
def testPartialIntersection5(self):
values, ix1, ix2 = collections.intersect([1, 2, 3], [3, 6])
self.assertEqual(len(values), 1)
self.assertEqual(values[0], 3)
self.assertEqual(ix1[0], 2)
self.assertEqual(ix2[0], 0)