Stdlib

std.math

Mathematical constants and common numeric helpers.

(import std.math)

Constants

Symbol	Description
`pi`	The constant pi.
`e`	Euler’s number.

Symbol	Description
`(even? n)`	True when `n` is even.
`(odd? n)`	True when `n` is odd.

Symbol	Description
`(square x)`	`(* x x)`.
`(cube x)`	`(* x x x)`.
`(sign x)`	-1, 0, or 1.
`(clamp x lo hi)`	Clamp `x` into `[lo, hi]`.
`(quotient a b)`	Truncated integer division.
`(gcd a b ...)`	Greatest common divisor.
`(lcm a b ...)`	Least common multiple.
`(floor x)`	Round toward negative infinity.
`(ceiling x)`	Round toward positive infinity.
`(truncate x)`	Round toward zero.
`(round x)`	Round to nearest, ties to even.
`(expt base exp)`	Exponentiation.
`(sum xs)`	Sum of a list of numbers.
`(product xs)`	Product of a list of numbers.