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electricconstant.go
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electricconstant.go
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// Code generated by "go generate gonum.org/v1/gonum/unit/constant”; DO NOT EDIT.
// Copyright ©2019 The Gonum Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package constant
import (
"fmt"
"gonum.org/v1/gonum/unit"
)
// ElectricConstant is the electric constant (ε₀), the value of the absolute dielectric permittivity of classical vacuum.
// The dimensions of ElectricConstant are A^2 s^4 kg^-1 m^-3. The standard uncertainty of the constant is 1.3e-21 A^2 s^4 kg^-1 m^-3.
const ElectricConstant = electricConstantUnits(8.854187817620389e-12)
type electricConstantUnits float64
// Unit converts the electricConstantUnits to a *unit.Unit
func (cnst electricConstantUnits) Unit() *unit.Unit {
return unit.New(float64(cnst), unit.Dimensions{
unit.CurrentDim: 2,
unit.TimeDim: 4,
unit.MassDim: -1,
unit.LengthDim: -3,
})
}
func (cnst electricConstantUnits) Format(fs fmt.State, c rune) {
switch c {
case 'v':
if fs.Flag('#') {
fmt.Fprintf(fs, "%T(%v)", cnst, float64(cnst))
return
}
fallthrough
case 'e', 'E', 'f', 'F', 'g', 'G':
p, pOk := fs.Precision()
w, wOk := fs.Width()
switch {
case pOk && wOk:
fmt.Fprintf(fs, "%*.*"+string(c), w, p, cnst.Unit())
case pOk:
fmt.Fprintf(fs, "%.*"+string(c), p, cnst.Unit())
case wOk:
fmt.Fprintf(fs, "%*"+string(c), w, cnst.Unit())
default:
fmt.Fprintf(fs, "%"+string(c), cnst.Unit())
}
default:
fmt.Fprintf(fs, "%%!"+string(c)+"(constant.electricConstantUnits=%v A^2 s^4 kg^-1 m^-3)", float64(cnst))
}
}