Initial Commit

1 files changed, 65 insertions, 0 deletions

diff --git a/utils/misc.py b/utils/misc.py
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+# author : S. Mandalia
+#          shivesh.mandalia@outlook.com
+#
+# date   : March 19, 2020
+
+"""
+Miscellaneous utility methods.
+"""
+
+
+__all__ = ['is_num', 'is_pos']
+
+
+def is_num(val: (int, float)) -> bool:
+    """
+    Check if the input value is a non-infinite number.
+
+    Parameters
+    ----------
+    val : Value to check.
+
+    Returns
+    ----------
+    is_num : Whether it is a non-infinite number.
+
+    Examples
+    ----------
+    >>> from utils.misc import is_num
+    >>> print(is_num(10))
+    True
+    >>> print(is_num(None))
+    False
+
+    """
+    if not isinstance(val, (int, float)):
+        return False
+    return True
+
+
+def is_pos(val: (int, float)) -> bool:
+    """
+    Check if the input value is a non-infinite positive number.
+
+    Parameters
+    ----------
+    val : Value to check.
+
+    Returns
+    ----------
+    is_pos : Whether it is a non-infinite positive number.
+
+    Examples
+    ----------
+    >>> from utils.misc import is_pos
+    >>> print(is_pos(10))
+    True
+    >>> print(is_pos(-10))
+    False
+
+    """
+    if not is_num(val):
+        return False
+    if not val >= 0:
+        return False
+    return True