sundaysebasidian-byte/moonbean/decimal

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sundaysebasidian-byte/moonbean/decimal does not have a README file

Decimal

pub(all) struct Decimal {
  mantissa : @moonbitlang/core/bigint.BigInt
BigInt
  scale : Int
}

Decimal::abs

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fn Decimal::abs(self : Decimal) -> Decimal

Decimal::add

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fn Decimal::add(a : Decimal, b : Decimal) -> Decimal

Decimal::compare

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fn Decimal::compare(a : Decimal, b : Decimal) -> Int

Decimal::div

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fn Decimal::div(a : Decimal, b : Decimal) -> Decimal?

Decimal division following Python's decimal semantics at precision 28: exact results keep at least the "ideal" exponent, inexact results are rounded to 28 significant digits with ROUND_HALF_EVEN.

Decimal::equal

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fn Decimal::equal(a : Decimal, b : Decimal) -> Bool

Decimal::from_int

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fn Decimal::from_int(value : Int) -> Decimal

Decimal::from_int64

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fn Decimal::from_int64(value : Int64) -> Decimal

Decimal::has_fractional_digits

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fn Decimal::has_fractional_digits(self : Decimal) -> Bool

True when the literal carries fractional digits (Beancount only infers a tolerance from numbers with a fractional part).

Decimal::is_negative

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fn Decimal::is_negative(self : Decimal) -> Bool

Decimal::is_positive

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fn Decimal::is_positive(self : Decimal) -> Bool

Decimal::is_zero

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fn Decimal::is_zero(self : Decimal) -> Bool

Decimal::last_digit_place

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fn Decimal::last_digit_place(self : Decimal) -> Decimal

Returns 10^-scale, i.e. the value of the least significant digit.

Decimal::less_equal

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fn Decimal::less_equal(a : Decimal, b : Decimal) -> Bool

Decimal::less_than

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fn Decimal::less_than(a : Decimal, b : Decimal) -> Bool

Decimal::mantissa

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fn Decimal::mantissa(self : Decimal) -> @moonbitlang/core/bigint.BigInt
BigInt

Decimal::mul

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fn Decimal::mul(a : Decimal, b : Decimal) -> Decimal

Decimal::neg

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fn Decimal::neg(self : Decimal) -> Decimal

Decimal::new

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fn Decimal::new(mantissa : @moonbitlang/core/bigint.BigInt
BigInt, scale : Int) -> Decimal

Decimal::one

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fn Decimal::one() -> Decimal

Decimal::parse

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fn Decimal::parse(input : String) -> Decimal?

Parses a plain decimal literal: optional sign, digits, optional fraction. Thousands separators (commas between digits) are accepted. Exponents are intentionally rejected; Beancount numbers are written in plain notation.

Decimal::quantize

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fn Decimal::quantize(self : Decimal, target_scale : Int) -> Decimal

Rounds to the nearest value with the requested scale, ties to even.

Decimal::round_to_integer

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fn Decimal::round_to_integer(self : Decimal) -> Decimal

Decimal::round_to_significant

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fn Decimal::round_to_significant(self : Decimal, digits : Int) -> Decimal

Rounds to digits significant digits, ties to even.

Decimal::scale

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fn Decimal::scale(self : Decimal) -> Int

Decimal::shift_scale

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fn Decimal::shift_scale(self : Decimal, k : Int) -> Decimal

Multiplies the value by 10^k, preserving the represented value.

Decimal::signum

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fn Decimal::signum(self : Decimal) -> Int

Decimal::sub

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fn Decimal::sub(a : Decimal, b : Decimal) -> Decimal

Decimal::to_display

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fn Decimal::to_display(self : Decimal, min_scale? : Int) -> String

Human oriented formatting: trims trailing zeros but keeps at least min_scale fractional digits.

Decimal::to_string

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fn Decimal::to_string(self : Decimal) -> String

Decimal::zero

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fn Decimal::zero() -> Decimal

Decimal::zero_scaled

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fn Decimal::zero_scaled(scale : Int) -> Decimal

Source Files

decimal.mbt

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A Beancount v3 compatible plain-text double-entry accounting engine in MoonBit: parser, booking, validation, reports and BQL queries, embeddable in native, wasm and js.

beancountaccountingdouble-entryledgerfinancebql

sundaysebasidian-byte

Apache-2.0

github.com/sundaysebasidian-byte/moonbean

Updated 5 hours ago

8 downloads

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#Decimal

#Decimal::abs

#Decimal::add

#Decimal::compare

#Decimal::div

#Decimal::equal

#Decimal::from_int

#Decimal::from_int64

#Decimal::has_fractional_digits

#Decimal::is_negative

#Decimal::is_positive

#Decimal::is_zero

#Decimal::last_digit_place

#Decimal::less_equal

#Decimal::less_than

#Decimal::mantissa

#Decimal::mul

#Decimal::neg

#Decimal::new

#Decimal::one

#Decimal::parse

#Decimal::quantize

#Decimal::round_to_integer

#Decimal::round_to_significant

#Decimal::scale

#Decimal::shift_scale

#Decimal::signum

#Decimal::sub

#Decimal::to_display

#Decimal::to_string

#Decimal::zero

#Decimal::zero_scaled

Source Files

Decimal

Decimal::abs

Decimal::add

Decimal::compare

Decimal::div

Decimal::equal

Decimal::from_int

Decimal::from_int64

Decimal::has_fractional_digits

Decimal::is_negative

Decimal::is_positive

Decimal::is_zero

Decimal::last_digit_place

Decimal::less_equal

Decimal::less_than

Decimal::mantissa

Decimal::mul

Decimal::neg

Decimal::new

Decimal::one

Decimal::parse

Decimal::quantize

Decimal::round_to_integer

Decimal::round_to_significant

Decimal::scale

Decimal::shift_scale

Decimal::signum

Decimal::sub

Decimal::to_display

Decimal::to_string

Decimal::zero

Decimal::zero_scaled