std.math

std.math

std.math provides the numeric helpers and constants currently shipped in the repository.

Import

import std.math as math

Reference

Name	Signature	Description
PI	f64	Archimedes’ constant
E	f64	Euler’s number
INF	f64	positive infinity
MAX_I32	i32	maximum signed 32-bit integer
MIN_I32	i32	minimum signed 32-bit integer
abs	func abs<T: Numeric>(value: T) -> T	magnitude of a numeric value
min	func min<T: Ordered>(left: T, right: T) -> T	smaller of two values
max	func max<T: Ordered>(left: T, right: T) -> T	larger of two values
clamp	func clamp<T: Ordered>(value: T, lo: T, hi: T) -> T	clamp to inclusive range
pow	func pow(base: f64, exp: f64) -> f64	raise base to exp
sqrt	func sqrt(value: f64) -> f64	square root
floor	func floor(value: f64) -> f64	floor
ceil	func ceil(value: f64) -> f64	ceil
round	func round(value: f64) -> f64	nearest integer in f64 form
log	func log(value: f64) -> f64	natural logarithm
log2	func log2(value: f64) -> f64	base-2 logarithm
log10	func log10(value: f64) -> f64	base-10 logarithm
gcd	func gcd(left: i32, right: i32) -> i32	greatest common divisor
lcm	func lcm(left: i32, right: i32) -> i32	least common multiple
is_even	func is_even(value: i32) -> bool	even test
is_odd	func is_odd(value: i32) -> bool	odd test

Examples

import std.math as math

func main() -> i32:
  if (math.abs(-5) == 5 and math.abs(-3.5) == 3.5):
    return 0
  return 1

import std.math as math

func main() -> i32:
  if (math.gcd(48, 18) == 6 and math.lcm(6, 8) == 24):
    return 0
  return 1

import std.math as math

func main() -> i32:
  if (math.PI > 3.14 and math.PI < 3.15 and math.E > 2.71):
    return 0
  return 1