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Текущая директория: /opt/BitGoJS/node_modules/@cosmjs/math/build
Просмотр файла: decimal.d.ts
import { Uint32, Uint53, Uint64 } from "./integers";
/**
* A type for arbitrary precision, non-negative decimals.
*
* Instances of this class are immutable.
*/
export declare class Decimal {
static fromUserInput(input: string, fractionalDigits: number): Decimal;
static fromAtomics(atomics: string, fractionalDigits: number): Decimal;
/**
* Creates a Decimal with value 0.0 and the given number of fractial digits.
*
* Fractional digits are not relevant for the value but needed to be able
* to perform arithmetic operations with other decimals.
*/
static zero(fractionalDigits: number): Decimal;
/**
* Creates a Decimal with value 1.0 and the given number of fractial digits.
*
* Fractional digits are not relevant for the value but needed to be able
* to perform arithmetic operations with other decimals.
*/
static one(fractionalDigits: number): Decimal;
private static verifyFractionalDigits;
static compare(a: Decimal, b: Decimal): number;
get atomics(): string;
get fractionalDigits(): number;
private readonly data;
private constructor();
/** Creates a new instance with the same value */
private clone;
/** Returns the greatest decimal <= this which has no fractional part (rounding down) */
floor(): Decimal;
/** Returns the smallest decimal >= this which has no fractional part (rounding up) */
ceil(): Decimal;
toString(): string;
/**
* Returns an approximation as a float type. Only use this if no
* exact calculation is required.
*/
toFloatApproximation(): number;
/**
* a.plus(b) returns a+b.
*
* Both values need to have the same fractional digits.
*/
plus(b: Decimal): Decimal;
/**
* a.minus(b) returns a-b.
*
* Both values need to have the same fractional digits.
* The resulting difference needs to be non-negative.
*/
minus(b: Decimal): Decimal;
/**
* a.multiply(b) returns a*b.
*
* We only allow multiplication by unsigned integers to avoid rounding errors.
*/
multiply(b: Uint32 | Uint53 | Uint64): Decimal;
equals(b: Decimal): boolean;
isLessThan(b: Decimal): boolean;
isLessThanOrEqual(b: Decimal): boolean;
isGreaterThan(b: Decimal): boolean;
isGreaterThanOrEqual(b: Decimal): boolean;
}
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