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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.unsafeDivide = exports.sumAll = exports.sum = exports.subtract = exports.sign = exports.round = exports.remainder = exports.parse = exports.nextPow2 = exports.negate = exports.multiplyAll = exports.multiply = exports.min = exports.max = exports.lessThanOrEqualTo = exports.lessThan = exports.isNumber = exports.increment = exports.greaterThanOrEqualTo = exports.greaterThan = exports.divide = exports.decrement = exports.clamp = exports.between = exports.Order = exports.Equivalence = void 0;
var equivalence = _interopRequireWildcard(require("./Equivalence.js"));
var _Function = require("./Function.js");
var option = _interopRequireWildcard(require("./internal/option.js"));
var _Iterable = _interopRequireWildcard(require("./Iterable.js"));
var order = _interopRequireWildcard(require("./Order.js"));
var predicate = _interopRequireWildcard(require("./Predicate.js"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
/**
* # Number
*
* This module provides utility functions and type class instances for working
* with the `number` type in TypeScript. It includes functions for basic
* arithmetic operations, as well as type class instances for `Equivalence` and
* `Order`.
*
* ## Operations Reference
*
* | Category | Operation | Description | Domain | Co-domain |
* | ------------ | ------------------------------------------ | ------------------------------------------------------- | ------------------------------ | --------------------- |
* | constructors | {@link module:Number.parse} | Safely parses a string to a number | `string` | `Option<number>` |
* | | | | | |
* | math | {@link module:Number.sum} | Adds two numbers | `number`, `number` | `number` |
* | math | {@link module:Number.sumAll} | Sums all numbers in a collection | `Iterable<number>` | `number` |
* | math | {@link module:Number.subtract} | Subtracts one number from another | `number`, `number` | `number` |
* | math | {@link module:Number.multiply} | Multiplies two numbers | `number`, `number` | `number` |
* | math | {@link module:Number.multiplyAll} | Multiplies all numbers in a collection | `Iterable<number>` | `number` |
* | math | {@link module:Number.divide} | Safely divides handling division by zero | `number`, `number` | `Option<number>` |
* | math | {@link module:Number.unsafeDivide} | Divides but misbehaves for division by zero | `number`, `number` | `number` |
* | math | {@link module:Number.remainder} | Calculates remainder of division | `number`, `number` | `number` |
* | math | {@link module:Number.increment} | Adds 1 to a number | `number` | `number` |
* | math | {@link module:Number.decrement} | Subtracts 1 from a number | `number` | `number` |
* | math | {@link module:Number.sign} | Determines the sign of a number | `number` | `Ordering` |
* | math | {@link module:Number.nextPow2} | Finds the next power of 2 | `number` | `number` |
* | math | {@link module:Number.round} | Rounds a number with specified precision | `number`, `number` | `number` |
* | | | | | |
* | predicates | {@link module:Number.between} | Checks if a number is in a range | `number`, `{minimum, maximum}` | `boolean` |
* | predicates | {@link module:Number.lessThan} | Checks if one number is less than another | `number`, `number` | `boolean` |
* | predicates | {@link module:Number.lessThanOrEqualTo} | Checks if one number is less than or equal | `number`, `number` | `boolean` |
* | predicates | {@link module:Number.greaterThan} | Checks if one number is greater than another | `number`, `number` | `boolean` |
* | predicates | {@link module:Number.greaterThanOrEqualTo} | Checks if one number is greater or equal | `number`, `number` | `boolean` |
* | | | | | |
* | guards | {@link module:Number.isNumber} | Type guard for JavaScript numbers | `unknown` | `boolean` |
* | | | | | |
* | comparison | {@link module:Number.min} | Returns the minimum of two numbers | `number`, `number` | `number` |
* | comparison | {@link module:Number.max} | Returns the maximum of two numbers | `number`, `number` | `number` |
* | comparison | {@link module:Number.clamp} | Restricts a number to a range | `number`, `{minimum, maximum}` | `number` |
* | | | | | |
* | instances | {@link module:Number.Equivalence} | Equivalence instance for numbers | | `Equivalence<number>` |
* | instances | {@link module:Number.Order} | Order instance for numbers | | `Order<number>` |
* | | | | | |
* | errors | {@link module:Number.DivisionByZeroError} | Error thrown by unsafeDivide | | |
*
* ## Composition Patterns and Type Safety
*
* When building function pipelines, understanding how types flow through
* operations is critical:
*
* ### Composing with type-preserving operations
*
* Most operations in this module are type-preserving (`number → number`),
* making them easily composable in pipelines:
*
* ```ts
* import { pipe } from "effect"
* import * as Number from "effect/Number"
*
* const result = pipe(
* 10,
* Number.increment, // number → number
* Number.multiply(2), // number → number
* Number.round(1) // number → number
* ) // Result: number (21)
* ```
*
* ### Working with Option results
*
* Operations that might fail (like division by zero) return Option types and
* require Option combinators:
*
* ```ts
* import { pipe, Option } from "effect"
* import * as Number from "effect/Number"
*
* const result = pipe(
* 10,
* Number.divide(0), // number → Option<number>
* Option.getOrElse(() => 0) // Option<number> → number
* ) // Result: number (0)
* ```
*
* ### Composition best practices
*
* - Chain type-preserving operations for maximum composability
* - Use Option combinators when working with potentially failing operations
* - Consider using Effect for operations that might fail with specific errors
* - Remember that all operations maintain JavaScript's floating-point precision
* limitations
*
* @module Number
* @since 2.0.0
* @see {@link module:BigInt} for more similar operations on `bigint` types
* @see {@link module:BigDecimal} for more similar operations on `BigDecimal` types
*/
/**
* Type guard that tests if a value is a member of the set of JavaScript
* numbers.
*
* @memberof Number
* @since 2.0.0
* @category guards
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import * as Number from "effect/Number"
*
* // Regular numbers
* assert.equal(Number.isNumber(2), true)
* assert.equal(Number.isNumber(-3.14), true)
* assert.equal(Number.isNumber(0), true)
*
* // Special numeric values
* assert.equal(Number.isNumber(Infinity), true)
* assert.equal(Number.isNumber(NaN), true)
*
* // Non-number values
* assert.equal(Number.isNumber("2"), false)
* assert.equal(Number.isNumber(true), false)
* assert.equal(Number.isNumber(null), false)
* assert.equal(Number.isNumber(undefined), false)
* assert.equal(Number.isNumber({}), false)
* assert.equal(Number.isNumber([]), false)
*
* // Using as a type guard in conditionals
* function processValue(value: unknown): string {
* if (Number.isNumber(value)) {
* // TypeScript now knows 'value' is a number
* return `Numeric value: ${value.toFixed(2)}`
* }
* return "Not a number"
* }
*
* assert.strictEqual(processValue(42), "Numeric value: 42.00")
* assert.strictEqual(processValue("hello"), "Not a number")
*
* // Filtering for numbers in an array
* const mixed = [1, "two", 3, false, 5]
* const onlyNumbers = mixed.filter(Number.isNumber)
* assert.equal(onlyNumbers, [1, 3, 5])
* ```
*
* @param input - The value to test for membership in the set of JavaScript
* numbers
*
* @returns `true` if the input is a JavaScript number, `false` otherwise
*/
const isNumber = exports.isNumber = predicate.isNumber;
/**
* Returns the additive inverse of a number, effectively negating it.
*
* @memberof Number
* @since 3.14.6
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { pipe } from "effect"
* import * as Number from "effect/Number"
*
* assert.equal(
* Number.negate(5), //
* -5
* )
*
* assert.equal(
* Number.negate(-5), //
* 5
* )
*
* assert.equal(
* Number.negate(0), //
* 0
* )
* ```
*
* @param n - The number value to be negated.
*
* @returns The negated number value.
*/
const negate = n => multiply(n, -1);
/**
* Performs addition in the set of JavaScript numbers.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { pipe } from "effect"
* import * as Number from "effect/Number"
*
* // Data-first style (direct application)
* assert.equal(Number.sum(2, 3), 5)
* assert.equal(Number.sum(-10, 5), -5)
* assert.equal(Number.sum(0.1, 0.2), 0.30000000000000004) // Note: floating-point precision limitation
*
* // Data-last style (pipeable)
* assert.equal(
* pipe(
* 10,
* Number.sum(5) // 10 + 5 = 15
* ),
* 15
* )
*
* // Chaining multiple additions
* assert.equal(
* pipe(
* 1,
* Number.sum(2), // 1 + 2 = 3
* Number.sum(3), // 3 + 3 = 6
* Number.sum(4) // 6 + 4 = 10
* ),
* 10
* )
*
* // Identity property: a + 0 = a
* assert.equal(Number.sum(42, 0), 42)
*
* // Commutative property: a + b = b + a
* assert.equal(Number.sum(5, 3), Number.sum(3, 5))
* ```
*/
exports.negate = negate;
const sum = exports.sum = /*#__PURE__*/(0, _Function.dual)(2, (self, that) => self + that);
/**
* Computes the sum of all elements in an iterable collection of numbers.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import * as Number from "effect/Number"
*
* // Basic sums
* assert.equal(Number.sumAll([2, 3, 4]), 9) // 2 + 3 + 4 = 9
* assert.equal(Number.sumAll([1.1, 2.2, 3.3]), 6.6) // 1.1 + 2.2 + 3.3 = 6.6
*
* // Empty collection returns the additive identity (0)
* assert.equal(Number.sumAll([]), 0)
*
* // Single element collection
* assert.equal(Number.sumAll([42]), 42)
*
* // Sums with negative numbers
* assert.equal(Number.sumAll([2, -3, 4]), 3) // 2 + (-3) + 4 = 3
* assert.equal(Number.sumAll([-2, -3, -4]), -9) // (-2) + (-3) + (-4) = -9
*
* // Works with any iterable
* assert.equal(Number.sumAll(new Set([2, 3, 4])), 9)
*
* // Using with generated sequences
* function* range(start: number, end: number) {
* for (let i = start; i <= end; i++) yield i
* }
*
* // Compute sum of first 5 natural numbers: 1 + 2 + 3 + 4 + 5 = 15
* assert.equal(Number.sumAll(range(1, 5)), 15)
*
* // Floating point precision example
* assert.equal(
* Number.sumAll([0.1, 0.2]),
* 0.30000000000000004 // Note IEEE 754 precision limitation
* )
* ```
*
* @param collection - An `iterable` containing the `numbers` to sum
*
* @returns The sum of all numbers in the collection, or 0 if the collection is
* empty
*/
const sumAll = collection => _Iterable.reduce(collection, 0, sum);
/**
* Performs subtraction in the set of JavaScript numbers.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { pipe } from "effect"
* import * as Number from "effect/Number"
*
* // Data-first style (direct application)
* assert.equal(Number.subtract(2, 3), -1) // 2 - 3 = -1
* assert.equal(Number.subtract(10, 5), 5) // 10 - 5 = 5
* assert.equal(Number.subtract(0.3, 0.1), 0.19999999999999998) // Note: floating-point precision limitation
*
* // Data-last style (pipeable)
* assert.equal(
* pipe(
* 10,
* Number.subtract(5) // 10 - 5 = 5
* ),
* 5
* )
*
* // Chaining multiple subtractions
* assert.equal(
* pipe(
* 20,
* Number.subtract(5), // 20 - 5 = 15
* Number.subtract(3), // 15 - 3 = 12
* Number.subtract(2) // 12 - 2 = 10
* ),
* 10
* )
*
* // Right identity property: a - 0 = a
* assert.equal(Number.subtract(42, 0), 42)
*
* // Self-annihilation property: a - a = 0
* assert.equal(Number.subtract(42, 42), 0)
*
* // Non-commutative property: a - b ≠ b - a
* assert.equal(Number.subtract(5, 3), 2) // 5 - 3 = 2
* assert.equal(Number.subtract(3, 5), -2) // 3 - 5 = -2
*
* // Inverse relation: a - b = -(b - a)
* assert.equal(Number.subtract(5, 3), -Number.subtract(3, 5))
* ```
*/
exports.sumAll = sumAll;
const subtract = exports.subtract = /*#__PURE__*/(0, _Function.dual)(2, (minuend, subtrahend) => minuend - subtrahend);
/**
* Performs **multiplication** in the set of JavaScript numbers.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { pipe } from "effect"
* import * as Number from "effect/Number"
*
* // Data-first style (direct application)
* assert.equal(Number.multiply(2, 3), 6) // 2 × 3 = 6
* assert.equal(Number.multiply(-4, 5), -20) // (-4) × 5 = -20
* assert.equal(Number.multiply(-3, -2), 6) // (-3) × (-2) = 6
* assert.equal(Number.multiply(0.1, 0.2), 0.020000000000000004) // Note: floating-point precision limitation
*
* // Data-last style (pipeable)
* assert.equal(
* pipe(
* 10,
* Number.multiply(5) // 10 × 5 = 50
* ),
* 50
* )
*
* // Chaining multiple multiplications
* assert.equal(
* pipe(
* 2,
* Number.multiply(3), // 2 × 3 = 6
* Number.multiply(4), // 6 × 4 = 24
* Number.multiply(0.5) // 24 × 0.5 = 12
* ),
* 12
* )
*
* // Identity property: a × 1 = a
* assert.equal(Number.multiply(42, 1), 42)
*
* // Zero property: a × 0 = 0
* assert.equal(Number.multiply(42, 0), 0)
*
* // Commutative property: a × b = b × a
* assert.equal(Number.multiply(5, 3), Number.multiply(3, 5))
*
* // Associative property: (a × b) × c = a × (b × c)
* const a = 2,
* b = 3,
* c = 4
* assert.equal(
* Number.multiply(Number.multiply(a, b), c),
* Number.multiply(a, Number.multiply(b, c))
* )
* ```
*/
const multiply = exports.multiply = /*#__PURE__*/(0, _Function.dual)(2, (multiplier, multiplicand) => multiplier * multiplicand);
/**
* Computes the product of all elements in an iterable collection of numbers.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import * as Number from "effect/Number"
*
* // Basic products
* assert.equal(Number.multiplyAll([2, 3, 4]), 24) // 2 × 3 × 4 = 24
* assert.equal(Number.multiplyAll([1.5, 2, 3]), 9) // 1.5 × 2 × 3 = 9
*
* // Empty collection returns the multiplicative identity (1)
* assert.equal(Number.multiplyAll([]), 1)
*
* // Single element collection
* assert.equal(Number.multiplyAll([42]), 42)
*
* // Products with negative numbers
* assert.equal(Number.multiplyAll([2, -3, 4]), -24) // 2 × (-3) × 4 = -24
* assert.equal(Number.multiplyAll([-2, -3]), 6) // (-2) × (-3) = 6
*
* // Zero property - if any element is zero, product is zero
* assert.equal(Number.multiplyAll([2, 0, 3]), 0)
*
* // Works with any iterable
* assert.equal(Number.multiplyAll(new Set([2, 3, 4])), 24)
*
* // Using with generated sequences
* function* range(start: number, end: number) {
* for (let i = start; i <= end; i++) yield i
* }
*
* // Compute factorial: 5! = 5 × 4 × 3 × 2 × 1 = 120
* assert.equal(Number.multiplyAll(range(1, 5)), 120)
* ```
*
* @param collection - An `iterable` containing the `numbers` to multiply
*
* @returns The product of all numbers in the collection, or 1 if the collection
* is empty
*/
const multiplyAll = collection => {
let out = 1;
for (const n of collection) {
if (n === 0) {
return 0;
}
out *= n;
}
return out;
};
/**
* Performs division in the set of JavaScript numbers, returning the result
* wrapped in an `Option` to handle division by zero.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { pipe, Option } from "effect"
* import * as Number from "effect/Number"
*
* // Data-first style (direct application)
* assert.equal(Number.divide(6, 3), Option.some(2)) // 6 ÷ 3 = 2
* assert.equal(Number.divide(-8, 4), Option.some(-2)) // (-8) ÷ 4 = -2
* assert.equal(Number.divide(-10, -5), Option.some(2)) // (-10) ÷ (-5) = 2
* assert.equal(Number.divide(1, 3), Option.some(0.3333333333333333)) // Note: floating-point approximation
*
* // Handling division by zero
* assert.equal(Number.divide(6, 0), Option.none()) // 6 ÷ 0 is undefined
*
* // Data-last style (pipeable)
* assert.equal(
* pipe(
* 10,
* Number.divide(2) // 10 ÷ 2 = 5
* ),
* Option.some(5)
* )
*
* // Chaining multiple divisions using Option combinators
* assert.equal(
* pipe(
* Option.some(24),
* Option.flatMap((n) => Number.divide(n, 2)), // 24 ÷ 2 = 12
* Option.flatMap(Number.divide(3)), // 12 ÷ 3 = 4
* Option.flatMap(Number.divide(2)) // 4 ÷ 2 = 2
* ),
* Option.some(2)
* )
*
* // Division-by-one property: a ÷ 1 = a
* assert.equal(Number.divide(42, 1), Option.some(42))
*
* // Self-division property: a ÷ a = 1 (for a ≠ 0)
* assert.equal(Number.divide(42, 42), Option.some(1))
*
* // Non-commutative property: a ÷ b ≠ b ÷ a
* assert.notDeepStrictEqual(
* Number.divide(6, 3), // 6 ÷ 3 = 2
* Number.divide(3, 6) // 3 ÷ 6 = 0.5
* )
* ```
*/
exports.multiplyAll = multiplyAll;
const divide = exports.divide = /*#__PURE__*/(0, _Function.dual)(2, (dividend, divisor) => divisor === 0 ? option.none : option.some(dividend / divisor));
/**
* Performs division in the set of JavaScript numbers, but misbehaves for
* division by zero.
*
* Unlike {@link module:Number.divide} which returns an Option, this function
* directly returns a number or `Infinity` or `NaN`.
*
* - If the `divisor` is zero, it returns `Infinity`.
* - If both the `dividend` and the `divisor` are zero, then it returns `NaN`.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { pipe } from "effect"
* import * as Number from "effect/Number"
*
* // Data-first style (direct application)
* assert.equal(Number.unsafeDivide(6, 3), 2) // 6 ÷ 3 = 2
* assert.equal(Number.unsafeDivide(-8, 4), -2) // (-8) ÷ 4 = -2
* assert.equal(Number.unsafeDivide(-10, -5), 2) // (-10) ÷ (-5) = 2
* assert.equal(Number.unsafeDivide(1, 3), 0.3333333333333333)
*
* // Data-last style (pipeable)
* assert.equal(
* pipe(
* 10,
* Number.unsafeDivide(2) // 10 ÷ 2 = 5
* ),
* 5
* )
*
* // Chaining multiple divisions
* assert.equal(
* pipe(
* 24,
* Number.unsafeDivide(2), // 24 ÷ 2 = 12
* Number.unsafeDivide(3), // 12 ÷ 3 = 4
* Number.unsafeDivide(2) // 4 ÷ 2 = 2
* ),
* 2
* )
*
* assert.equal(Number.unsafeDivide(6, 0), Infinity)
*
* assert.equal(Number.unsafeDivide(0, 0), NaN)
*
* // Compare with safe division
* const safeResult = Number.divide(6, 3) // Option.some(2)
* const unsafeResult = Number.unsafeDivide(6, 3) // 2 directly
* ```
*
* @throws - An {@link module:Number.DivisionByZeroError} if the divisor is zero.
* @see {@link module:Number.divide} - Safe division returning an Option
*/
const unsafeDivide = exports.unsafeDivide = /*#__PURE__*/(0, _Function.dual)(2, (dividend, divisor) => dividend / divisor);
/**
* Returns the result of adding `1` to a given number.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { increment } from "effect/Number"
*
* assert.equal(increment(2), 3)
* ```
*/
const increment = n => sum(n, 1);
/**
* Decrements a number by `1`.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { decrement } from "effect/Number"
*
* assert.equal(decrement(3), 2)
* ```
*/
exports.increment = increment;
const decrement = n => subtract(n, 1);
/**
* @memberof Number
* @since 2.0.0
* @category instances
*/
exports.decrement = decrement;
const Equivalence = exports.Equivalence = equivalence.number;
/**
* @memberof Number
* @since 2.0.0
* @category instances
*/
const Order = exports.Order = order.number;
/**
* Returns `true` if the first argument is less than the second, otherwise
* `false`.
*
* @memberof Number
* @since 2.0.0
* @category predicates
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { lessThan } from "effect/Number"
*
* assert.equal(lessThan(2, 3), true)
* assert.equal(lessThan(3, 3), false)
* assert.equal(lessThan(4, 3), false)
* ```
*/
const lessThan = exports.lessThan = /*#__PURE__*/order.lessThan(Order);
/**
* Returns a function that checks if a given `number` is less than or equal to
* the provided one.
*
* @memberof Number
* @since 2.0.0
* @category predicates
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { lessThanOrEqualTo } from "effect/Number"
*
* assert.equal(lessThanOrEqualTo(2, 3), true)
* assert.equal(lessThanOrEqualTo(3, 3), true)
* assert.equal(lessThanOrEqualTo(4, 3), false)
* ```
*/
const lessThanOrEqualTo = exports.lessThanOrEqualTo = /*#__PURE__*/order.lessThanOrEqualTo(Order);
/**
* Returns `true` if the first argument is greater than the second, otherwise
* `false`.
*
* @memberof Number
* @since 2.0.0
* @category predicates
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { greaterThan } from "effect/Number"
*
* assert.equal(greaterThan(2, 3), false)
* assert.equal(greaterThan(3, 3), false)
* assert.equal(greaterThan(4, 3), true)
* ```
*/
const greaterThan = exports.greaterThan = /*#__PURE__*/order.greaterThan(Order);
/**
* Returns a function that checks if a given `number` is greater than or equal
* to the provided one.
*
* @memberof Number
* @since 2.0.0
* @category predicates
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { greaterThanOrEqualTo } from "effect/Number"
*
* assert.equal(greaterThanOrEqualTo(2, 3), false)
* assert.equal(greaterThanOrEqualTo(3, 3), true)
* assert.equal(greaterThanOrEqualTo(4, 3), true)
* ```
*/
const greaterThanOrEqualTo = exports.greaterThanOrEqualTo = /*#__PURE__*/order.greaterThanOrEqualTo(Order);
/**
* Checks if a `number` is between a `minimum` and `maximum` value (inclusive).
*
* @memberof Number
* @since 2.0.0
* @category predicates
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { Number } from "effect"
*
* const between = Number.between({ minimum: 0, maximum: 5 })
*
* assert.equal(between(3), true)
* assert.equal(between(-1), false)
* assert.equal(between(6), false)
* ```
*/
const between = exports.between = /*#__PURE__*/order.between(Order);
/**
* Restricts the given `number` to be within the range specified by the
* `minimum` and `maximum` values.
*
* - If the `number` is less than the `minimum` value, the function returns the
* `minimum` value.
* - If the `number` is greater than the `maximum` value, the function returns the
* `maximum` value.
* - Otherwise, it returns the original `number`.
*
* @memberof Number
* @since 2.0.0
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { Number } from "effect"
*
* const clamp = Number.clamp({ minimum: 1, maximum: 5 })
*
* assert.equal(clamp(3), 3)
* assert.equal(clamp(0), 1)
* assert.equal(clamp(6), 5)
* ```
*/
const clamp = exports.clamp = /*#__PURE__*/order.clamp(Order);
/**
* Returns the minimum between two `number`s.
*
* @memberof Number
* @since 2.0.0
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { min } from "effect/Number"
*
* assert.equal(min(2, 3), 2)
* ```
*/
const min = exports.min = /*#__PURE__*/order.min(Order);
/**
* Returns the maximum between two `number`s.
*
* @memberof Number
* @since 2.0.0
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { max } from "effect/Number"
*
* assert.equal(max(2, 3), 3)
* ```
*/
const max = exports.max = /*#__PURE__*/order.max(Order);
/**
* Determines the sign of a given `number`.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { sign } from "effect/Number"
*
* assert.equal(sign(-5), -1)
* assert.equal(sign(0), 0)
* assert.equal(sign(5), 1)
* ```
*/
const sign = n => Order(n, 0);
/**
* Returns the remainder left over when one operand is divided by a second
* operand.
*
* It always takes the sign of the dividend.
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { remainder } from "effect/Number"
*
* assert.equal(remainder(2, 2), 0)
* assert.equal(remainder(3, 2), 1)
* assert.equal(remainder(-4, 2), -0)
* ```
*/
exports.sign = sign;
const remainder = exports.remainder = /*#__PURE__*/(0, _Function.dual)(2, (dividend, divisor) => {
// https://stackoverflow.com/questions/3966484/why-does-modulus-operator-return-fractional-number-in-javascript/31711034#31711034
const selfDecCount = (dividend.toString().split(".")[1] || "").length;
const divisorDecCount = (divisor.toString().split(".")[1] || "").length;
const decCount = selfDecCount > divisorDecCount ? selfDecCount : divisorDecCount;
const selfInt = parseInt(dividend.toFixed(decCount).replace(".", ""));
const divisorInt = parseInt(divisor.toFixed(decCount).replace(".", ""));
return selfInt % divisorInt / Math.pow(10, decCount);
});
/**
* Returns the next power of 2 greater than or equal to the given number.
*
* - For `positive` inputs, returns the smallest power of 2 that is >= the input
* - For `zero`, returns 2
* - For `negative` inputs, returns NaN (as logarithms of negative numbers are
* undefined)
* - For `NaN` input, returns NaN
* - For `Infinity`, returns Infinity
*
* @memberof Number
* @since 2.0.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { nextPow2 } from "effect/Number"
*
* assert.equal(nextPow2(5), 8)
* assert.equal(nextPow2(17), 32)
* assert.equal(nextPow2(0), 2)
* assert.equal(Number.isNaN(nextPow2(-1)), true) // Negative inputs result in NaN
* ```
*/
const nextPow2 = n => {
const nextPow = Math.ceil(Math.log(n) / Math.log(2));
return Math.max(Math.pow(2, nextPow), 2);
};
/**
* Tries to parse a `number` from a `string` using the `Number()` function. The
* following special string values are supported: "NaN", "Infinity",
* "-Infinity".
*
* @memberof Number
* @since 2.0.0
* @category constructors
*/
exports.nextPow2 = nextPow2;
const parse = s => {
if (s === "NaN") {
return option.some(NaN);
}
if (s === "Infinity") {
return option.some(Infinity);
}
if (s === "-Infinity") {
return option.some(-Infinity);
}
if (s.trim() === "") {
return option.none;
}
const n = Number(s);
return Number.isNaN(n) ? option.none : option.some(n);
};
/**
* Returns the number rounded with the given precision.
*
* @memberof Number
* @since 3.8.0
* @category math
* @example
*
* ```ts
* import * as assert from "node:assert/strict"
* import { round } from "effect/Number"
*
* assert.equal(round(1.1234, 2), 1.12)
* assert.equal(round(1.567, 2), 1.57)
* ```
*/
exports.parse = parse;
const round = exports.round = /*#__PURE__*/(0, _Function.dual)(2, (self, precision) => {
const factor = Math.pow(10, precision);
return Math.round(self * factor) / factor;
});
//# sourceMappingURL=Number.js.map