nhb-toolbox/dist/dts/number/guards.d.ts

A versatile collection of smart, efficient, and reusable utility functions and classes for everyday development needs.

/**
 * * Check if a number is even or not.
 *
 * @param input The number to check.
 * @returns Boolean: `true` if even and `false` if not even.
 */
export declare const isEven: (input: number) => boolean;
/**
 * * Checks if a number is odd or not.
 *
 * @param input The number to check.
 * @returns Boolean: `true` if odd and `false` if not odd.
 */
export declare const isOdd: (input: number) => boolean;
/**
 * * Checks if a number is a multiple of another number.
 *
 * @param input - The number to check.
 * @param multipleOf - The number to check against.
 * @returns `true` if `input` is a multiple of `multipleOf`, otherwise `false`.
 */
export declare const isMultiple: (input: number, multipleOf: number) => boolean;
/**
 * * Checks if a number is a perfect square.
 *
 * @param num The number to check.
 * @returns `true` if the number is a perfect square, otherwise `false`.
 */
export declare function isPerfectSquare(num: number): boolean;
/**
 * * Checks if a number is part of the Fibonacci sequence.
 *
 * @param num The number to check.
 * @returns `true` if the number is a Fibonacci number, otherwise `false`.
 */
export declare function isFibonacci(num: number): boolean;
/**
 * * Checks whether any input is not a finite number.
 *
 * @param numbers - The list of numbers to validate.
 * @returns `true` if any input is not finite.
 */
export declare function areInvalidNumbers(...numbers: number[]): boolean;
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