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arduino:math:constrain

constrain(x, a, b)

Description

Constrains a number to be within a range.

Parameters

x: the number to constrain, all data types

a: the lower end of the range, all data types

b: the upper end of the range, all data types

Returns

x: if x is between a and b

a: if x is less than a

b: if x is greater than b

Example

sensVal = constrain(sensVal, 10, 150);
// limits range of sensor values to between 10 and 150 

See also

* min(x, y) * max(x, y)

Source: arduino.cc

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arduino/math/constrain.txt · Last modified: 2013/02/15 20:45 (external edit)

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