std::math

Status: experimental

Mathematical constants and f64 functions (Go's math package shape).

Items

Item	Signature	Description
PI	const PI	Archimedes' constant π.
E	const E	Euler's number e.
SQRT_2	const SQRT_2	√2.
LN_2	const LN_2	Natural log of 2.
LN_10	const LN_10	Natural log of 10.
PHI	const PHI	Golden ratio φ.
INF	const INF	Positive infinity.
NAN	const NAN	Not-a-number value.
abs	fn abs(x: f64) -> f64	Absolute value of x.
sqrt	fn sqrt(x: f64) -> f64	Square root.
cbrt	fn cbrt(x: f64) -> f64	Cube root.
floor	fn floor(x: f64) -> f64	Largest integer ≤ x.
ceil	fn ceil(x: f64) -> f64	Smallest integer ≥ x.
round	fn round(x: f64) -> f64	Nearest integer, half away from zero.
trunc	fn trunc(x: f64) -> f64	Integer part of x.
sin	fn sin(x: f64) -> f64	Sine (radians).
cos	fn cos(x: f64) -> f64	Cosine (radians).
tan	fn tan(x: f64) -> f64	Tangent (radians).
asin	fn asin(x: f64) -> f64	Arcsine (radians).
acos	fn acos(x: f64) -> f64	Arccosine (radians).
atan	fn atan(x: f64) -> f64	Arctangent (radians).
atan2	fn atan2(y: f64, x: f64) -> f64	Four-quadrant arctangent of y/x.
exp	fn exp(x: f64) -> f64	e^x.
exp2	fn exp2(x: f64) -> f64	2^x.
ln	fn ln(x: f64) -> f64	Natural logarithm.
log2	fn log2(x: f64) -> f64	Base-2 logarithm.
log10	fn log10(x: f64) -> f64	Base-10 logarithm.
log	fn log(x: f64, y: f64) -> f64	Logarithm with given base.
pow	fn pow(x: f64, y: f64) -> f64	x raised to the power y.
hypot	fn hypot(x: f64, y: f64) -> f64	Euclidean distance √(x²+y²).
rem	fn rem(x: f64, y: f64) -> f64	Floating-point remainder x%y.
is_nan	fn is_nan(x: f64) -> bool	Reports whether x is NaN.
is_inf	fn is_inf(x: f64, sign: i64) -> bool	Reports whether x is infinite.
copysign	fn copysign(x: f64, y: f64) -> f64	Magnitude of x with sign of y.
positive_diff	fn positive_diff(x: f64, y: f64) -> f64	max(x-y, 0).
sinh	fn sinh(x: f64) -> f64	Hyperbolic sine.
cosh	fn cosh(x: f64) -> f64	Hyperbolic cosine.
tanh	fn tanh(x: f64) -> f64	Hyperbolic tangent.
min	fn min(x: f64, y: f64) -> f64	Lesser of two values.
max	fn max(x: f64, y: f64) -> f64	Greater of two values.
clamp	fn clamp(x: f64, min: f64, max: f64) -> f64	Constrain x to the inclusive range [lo, hi].
LOG2_E	const LOG2_E	Base-2 logarithm of e.
LOG10_E	const LOG10_E	Base-10 logarithm of e.
MAX_F64	const MAX_F64	Largest finite f64 value.
MIN_POSITIVE_F64	const MIN_POSITIVE_F64	Smallest positive normal f64 value.
NEG_INF	const NEG_INF	Negative infinity.