/
frequency.go
70 lines (61 loc) · 1.63 KB
/
frequency.go
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// Code generated by "go generate gonum.org/v1/gonum/unit”; DO NOT EDIT.
// Copyright ©2014 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 unit
import (
"errors"
"fmt"
"math"
"unicode/utf8"
)
// Frequency represents a frequency in Hertz.
type Frequency float64
const Hertz Frequency = 1
// Unit converts the Frequency to a *Unit
func (f Frequency) Unit() *Unit {
return New(float64(f), Dimensions{
TimeDim: -1,
})
}
// Frequency allows Frequency to implement a Frequencyer interface
func (f Frequency) Frequency() Frequency {
return f
}
// From converts the unit into the receiver. From returns an
// error if there is a mismatch in dimension
func (f *Frequency) From(u Uniter) error {
if !DimensionsMatch(u, Hertz) {
*f = Frequency(math.NaN())
return errors.New("Dimension mismatch")
}
*f = Frequency(u.Unit().Value())
return nil
}
func (f Frequency) Format(fs fmt.State, c rune) {
switch c {
case 'v':
if fs.Flag('#') {
fmt.Fprintf(fs, "%T(%v)", f, float64(f))
return
}
fallthrough
case 'e', 'E', 'f', 'F', 'g', 'G':
p, pOk := fs.Precision()
w, wOk := fs.Width()
const unit = " Hz"
switch {
case pOk && wOk:
fmt.Fprintf(fs, "%*.*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), p, float64(f))
case pOk:
fmt.Fprintf(fs, "%.*"+string(c), p, float64(f))
case wOk:
fmt.Fprintf(fs, "%*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), float64(f))
default:
fmt.Fprintf(fs, "%"+string(c), float64(f))
}
fmt.Fprint(fs, unit)
default:
fmt.Fprintf(fs, "%%!%c(%T=%g Hz)", c, f, float64(f))
}
}