std​::num

Modules

strconv

Enums

FPCategory

Traits

Bitwise
Bounded
CheckedAdd
CheckedDiv
CheckedMul
CheckedSub
Float
FromPrimitive
FromStrRadix
Int
Num
NumCast
One
Primitive
Round
Saturating
Signed
ToPrimitive
ToStrRadix
Unsigned
Zero

Functions

abs
abs_sub
acos
acosh
asin
asinh
atan
atan2
atanh
cast
cbrt
checked_next_power_of_two
cos
cosh
div_rem
exp
exp2
exp_m1
from_f32
from_f64
from_i16
from_i32
from_i64
from_i8
from_int
from_str_radix
from_u16
from_u32
from_u64
from_u8
from_uint
hypot
ln
ln_1p
log
log10
log2
mul_add
next_power_of_two
one
pow
powf
rsqrt
signum
sin
sin_cos
sinh
sqrt
tan
tanh
zero
[src]

Function std::num::powf

pub fn powf<T: Float>(value: T, n: T) -> T

Raise a number to a power.

Example

use std::num;

let sixteen: f64 = num::powf(2.0, 4.0);
assert_eq!(sixteen, 16.0);