131 lines
2.1 KiB
Go
131 lines
2.1 KiB
Go
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
|
|
// Use of this source code is governed by an MIT license
|
|
// that can be found in the LICENSE file.
|
|
|
|
module math
|
|
|
|
const (
|
|
E = 2.71828182845904523536028747135266249775724709369995957496696763
|
|
Pi = 3.14159265358979323846264338327950288419716939937510582097494459
|
|
Phi = 1.61803398874989484820458683436563811772030917980576286213544862
|
|
|
|
Sqrt2 = 1.41421356237309504880168872420969807856967187537694807317667974
|
|
SqrtE = 1.64872127070012814684865078781416357165377610071014801157507931
|
|
SqrtPi = 1.77245385090551602729816748334114518279754945612238712821380779
|
|
SqrtPhi = 1.27201964951406896425242246173749149171560804184009624861664038
|
|
|
|
Ln2 = 0.693147180559945309417232121458176568075500134360255254120680009
|
|
Log2E = 1.0 / Ln2
|
|
Ln10 = 2.30258509299404568401799145468436420760110148862877297603332790
|
|
Log10E = 1.0 / Ln10
|
|
)
|
|
|
|
pub fn abs(a f64) f64 {
|
|
if a < 0 {
|
|
return -a
|
|
}
|
|
return a
|
|
}
|
|
|
|
pub fn acos(a f64) f64 {
|
|
return C.acos(a)
|
|
}
|
|
|
|
pub fn asin(a f64) f64 {
|
|
return C.asin(a)
|
|
}
|
|
|
|
pub fn atan(a f64) f64 {
|
|
return C.atan(a)
|
|
}
|
|
|
|
pub fn atan2(a, b f64) f64 {
|
|
return C.atan2(a, b)
|
|
}
|
|
|
|
pub fn ceil(a f64) f64 {
|
|
return C.ceil(a)
|
|
}
|
|
|
|
pub fn cos(a f64) f64 {
|
|
return C.cos(a)
|
|
}
|
|
|
|
pub fn cosh(a f64) f64 {
|
|
return C.cosh(a)
|
|
}
|
|
|
|
pub fn exp(a f64) f64 {
|
|
return C.exp(a)
|
|
}
|
|
|
|
pub fn floor(a f64) f64 {
|
|
return C.floor(a)
|
|
}
|
|
|
|
pub fn fmod(a, b f64) f64 {
|
|
return C.fmod(a, b)
|
|
}
|
|
|
|
pub fn log(a f64) f64 {
|
|
return C.log(a)
|
|
}
|
|
|
|
pub fn log10(a f64) f64 {
|
|
return C.log10(a)
|
|
}
|
|
|
|
pub fn max(a, b f64) f64 {
|
|
if a > b {
|
|
return a
|
|
}
|
|
return b
|
|
}
|
|
|
|
pub fn min(a, b f64) f64 {
|
|
if a < b {
|
|
return a
|
|
}
|
|
return b
|
|
}
|
|
|
|
pub fn pow(a, b f64) f64 {
|
|
return C.pow(a, b)
|
|
}
|
|
|
|
pub fn radians(degrees f64) f64 {
|
|
return degrees * (Pi / 180.0)
|
|
}
|
|
|
|
pub fn degrees(radians f64) f64 {
|
|
return radians * (180.0 / Pi)
|
|
}
|
|
|
|
pub fn round(f f64) f64 {
|
|
return C.round(f)
|
|
}
|
|
|
|
pub fn sin(a f64) f64 {
|
|
return C.sin(a)
|
|
}
|
|
|
|
pub fn sinh(a f64) f64 {
|
|
return C.sinh(a)
|
|
}
|
|
|
|
pub fn sqrt(a f64) f64 {
|
|
return C.sqrt(a)
|
|
}
|
|
|
|
pub fn tan(a f64) f64 {
|
|
return C.tan(a)
|
|
}
|
|
|
|
pub fn tanh(a f64) f64 {
|
|
return C.tanh(a)
|
|
}
|
|
|
|
pub fn trunc(a f64) f64 {
|
|
return C.trunc(a)
|
|
}
|