module

Std.Decimal

30 public declarations

absDecimal -> Decimal
The value with its sign removed.
fn
ceilingDecimal -> Decimal
The smallest whole value at or above this one.
fn
defaultRoundingStd.Decimal.Rounding
The mode to reach for when nothing else is stated.
fn
divideDecimal -> Decimal -> Int -> Std.Decimal.Rounding -> Option[Decimal]
Divide to a stated number of fractional digits, rounding as told.
fn
divideHalfEvenDecimal -> Decimal -> Int -> Option[Decimal]
Divide half-even to a stated number of fractional digits.
fn
floorDecimal -> Decimal
The largest whole value at or below this one.
fn
fromIntInt -> Decimal
The decimal a whole number names. Every integer is exactly representable,
fn
isNegativeDecimal -> Bool
Whether a value is below nought.
fn
isZeroDecimal -> Bool
Whether a value is nought, whatever scale it carries.
fn
maxDecimal -> Decimal -> Decimal
Which of two values is larger.
fn
meanArray[Decimal] -> Int -> Option[Decimal]
The mean of an array to a stated number of digits, `None` when it is empty.
fn
minDecimal -> Decimal -> Decimal
Which of two values is smaller.
fn
negateDecimal -> Decimal
The value with its sign flipped.
fn
oneDecimal
One.
fn
parseStr -> Option[Decimal]
Read a decimal from text, answering `None` when the text is not one.
fn
parseOrStr -> Decimal -> Decimal
Read a decimal from text, falling back when the text is not one.
fn
percentOfDecimal -> Decimal -> Int -> Option[Decimal]
A percentage of a value, to a stated number of digits.
fn
productArray[Decimal] -> Decimal
The product of an array, one when it is empty.
fn
rescaleDecimal -> Int -> Decimal
Give a value a stated scale, rounding half-even if digits must be dropped.
fn
roundDecimal -> Int -> Std.Decimal.Rounding -> Decimal
Round to a number of fractional digits.
fn
roundHalfEvenDecimal -> Int -> Decimal
Round half-even to a number of fractional digits.
fn
Rounding
How to decide a digit that does not fit.
type
scaleDecimal -> Int
How many fractional digits a value carries.
fn
signumDecimal -> Int
`-1`, `0`, or `1` as the value is below, at, or above nought.
fn
sumArray[Decimal] -> Decimal
The sum of an array, nought when it is empty.
fn
toFloat64Decimal -> Float64
The nearest binary floating value.
fn
toIntDecimal -> Option[Int]
The whole number a decimal names, when it names one exactly.
fn
toTextDecimal -> Str
The text a decimal renders as, keeping exactly the fractional digits its
fn
truncateDecimal -> Decimal
Round to a whole number, keeping the decimal type.
fn
zeroDecimal
Nought.
fn