RxnNumExt<T extends num> extension
Properties
-
isFinite
→ bool?
-
True if the number is finite; otherwise, false.
no setter
-
isInfinite
→ bool?
-
True if the number is positive infinity or negative infinity; otherwise,
false.
no setter
-
isNaN
→ bool?
-
True if the number is the double Not-a-Number value; otherwise, false.
no setter
-
isNegative
→ bool?
-
True if the number is negative; otherwise, false.
no setter
-
sign
→ num?
-
Returns minus one, zero or plus one depending on the sign and
numerical value of the number.
no setter
Methods
-
abs()
→ num?
-
Returns the absolute value of this num.
-
ceil()
→ int?
-
Returns the least integer no smaller than
this.
-
ceilToDouble()
→ double?
-
Returns the least double integer value no smaller than
this.
-
clamp(num lowerLimit, num upperLimit)
→ num?
-
Returns this num clamped to be in the range
lowerLimit-upperLimit.
-
floor()
→ int?
-
Returns the greatest integer no greater than
this.
-
floorToDouble()
→ double?
-
Returns the greatest double integer value no greater than
this.
-
remainder(num other)
→ num?
-
Returns the remainder of the truncating division of
this by other.
-
round()
→ int?
-
Returns the integer closest to
this.
-
roundToDouble()
→ double?
-
Returns the double integer value closest to
this.
-
toDouble()
→ double?
-
Return this num as a double.
-
toInt()
→ int?
-
Truncates this num to an integer and returns the result as an int. */
-
toStringAsExponential([int? fractionDigits])
→ String?
-
Returns an exponential string-representation of
this.
-
toStringAsFixed(int fractionDigits)
→ String?
-
Returns a decimal-point string-representation of
this.
-
toStringAsPrecision(int precision)
→ String?
-
Converts
this to a double and returns a string representation with
exactly precision significant digits.
-
truncate()
→ int?
-
Returns the integer obtained by discarding any fractional
digits from
this.
-
truncateToDouble()
→ double?
-
Returns the double integer value obtained by discarding any fractional
digits from the double value of
this.
