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minusp, plusp

minusp, plusp Function

Syntax:

minusp real → generalized-boolean

plusp real → generalized-boolean

Arguments and Values:

real—a real.

generalized-boolean—a generalized boolean.

Description:

minusp returns true if real is less than zero; otherwise, returns false.

plusp returns true if real is greater than zero; otherwise, returns false.

Regardless of whether an implementation provides distinct representations for positive and negative float zeros, (minusp -0.0) always returns false.

Examples:

(minusp -1) → true 
(plusp 0) → false 
(plusp least-positive-single-float) → true

Exceptional Situations:

Should signal an error of type type-error if real is not a real.

Expanded Reference: minusp, plusp​

tip

TODO: Please contribute to this page by adding explanations and examples

(minusp, plusp )