absolute max/min

Author: realDuYuanChao

maths/absolute_max.py

@@ -0,0 +1,18 @@
+def absolute_max(array):
+    """
+    Returns absolute max value of a array.
+    :param array: the array.
+    :return: absolute max value
+
+    >>> absolute_max([1, -2, 5, -8, 7])
+    -8
+    >>> absolute_max([1, -2, 3, -4, 5])
+    5
+    """
+    return max(array, key=abs)
+
+
+if __name__ == '__main__':
+    from doctest import testmod
+
+    testmod()

maths/absolute_min.py

@@ -0,0 +1,18 @@
+def absolute_min(array):
+    """
+    Returns absolute min value of a array.
+    :param array: the array.
+    :return: absolute min value
+
+    >>> absolute_min([1, -2, 5, -8, 7])
+    1
+    >>> absolute_min([1, -2, 3, -4, 5])
+    1
+    """
+    return min(array, key=abs)
+
+
+if __name__ == '__main__':
+    from doctest import testmod
+
+    testmod()