C Algorithm min C Algorithm min function can be used in following 3 ways: It compares the two values passed in its arguments and returns the smaller between them, and if both are equal, then it returns the first one.

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A preprocessor macro that returns the smaller of two values.

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Syntax

Parameters

a, b
Values of any type that the < operator works on.

Return Value

The smaller of the two arguments.

Remarks

The __min macro compares two values and returns the value of the smaller one. The arguments can be of any numeric data type, signed or unsigned. Both arguments and the return value must be of the same data type.

The argument returned is evaluated twice by the macro. This can lead to unexpected results if the argument is an expression that alters its value when it is evaluated, such as *p++.

Requirements

Routine	Required header
__min	<stdlib.h>

Example

C++ Min Function

See also

C++ Mingfx

Floating-Point Support
__max