<< mustBeNonNan

Validators

mustBeNonpositive >>

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mustBeNonnegative

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Checks that value is nonnegative or raise an error.

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Syntax

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mustBeNonnegative(var)

mustBeNonnegative(var, argPosition)

C++: void mustBeNonnegative(const ArrayOfVector& args, int argPosition)

Input argument

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var

a variable: all supported types and classes that implement isnumeric, islogical, all, isreal, and ge methods.

argPosition

a positive integer value: Position of input argument.

Description

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mustBeNonnegative checks that value is nonnegative or raise an error.

Example

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mustBeNonnegative(1)
mustBeNonnegative(-1)

See also

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mustBePositive.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET