In
computer science
Computer science is the study of computation, information, and automation. Computer science spans Theoretical computer science, theoretical disciplines (such as algorithms, theory of computation, and information theory) to Applied science, ...
, clamping, or clipping is the process of limiting a value to a range between a minimum and a maximum value. Unlike
wrapping
Wrapping may refer to:
*Buddy wrapping, the act of bandaging a damaged (particularly a fractured) finger or toe together with a healthy one
*Overwrap, a wrapping of items in a package of a wrapping over packaging
*Wrapping (text), a software feat ...
, clamping merely moves the point to the nearest available value.
In
Python
Python may refer to:
Snakes
* Pythonidae, a family of nonvenomous snakes found in Africa, Asia, and Australia
** ''Python'' (genus), a genus of Pythonidae found in Africa and Asia
* Python (mythology), a mythical serpent
Computing
* Python (prog ...
, clamping can be defined as follows:
def clamp(x, minimum, maximum):
if x < minimum:
return minimum
if x > maximum:
return maximum
return x
This is equivalent to for languages that support the functions min and max.
Uses
Several programming languages and libraries provide functions for fast and vectorized clamping. In Python, the
pandas
Pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS) is a controversial hypothetical diagnosis for a subset of children with rapid onset of obsessive-compulsive disorder (OCD) or tic disorders. Sy ...
library offers the
Series.clip and
DataFrame.clip methods. The
NumPy
NumPy (pronounced ) is a library for the Python programming language, adding support for large, multi-dimensional arrays and matrices, along with a large collection of high-level mathematical functions to operate on these arrays. The predeces ...
library offers the
clip function. In the
Wolfram Language
The Wolfram Language ( ) is a proprietary, very high-level multi-paradigm programming language developed by Wolfram Research. It emphasizes symbolic computation, functional programming, and rule-based programming and can employ arbitrary stru ...
, it is implemented as .
In
OpenGL
OpenGL (Open Graphics Library) is a Language-independent specification, cross-language, cross-platform application programming interface (API) for rendering 2D computer graphics, 2D and 3D computer graphics, 3D vector graphics. The API is typic ...
, the
glClearColor function takes four
GLfloat values which are then 'clamped' to the range