<< mustBeMember

Validators

mustBeNonNan >>

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mustBeNegative

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Checks that value is negative or raise an error.

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Syntax

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mustBeNegative(var)

mustBeNegative(var, argPosition)

C++: void mustBeNegative(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 lt methods.

argPosition

a positive integer value: Position of input argument.

Description

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mustBeNegative checks that value is negative or raise an error.

Example

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mustBeNegative(-1)
mustBeNegative(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