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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"
)
// Dimless represents a dimensionless constant.
type Dimless float64
// Unit converts the Dimless to a *Unit.
func (d Dimless) Unit() *Unit {
return New(float64(d), Dimensions{})
}
// Dimless allows Dimless to implement a Dimlesser interface.
func (d Dimless) Dimless() Dimless {
return d
}
// From converts the unit into the receiver. From returns an
// error if there is a mismatch in dimension.
func (d *Dimless) From(u Uniter) error {
if !DimensionsMatch(u, Dimless(0)) {
*d = Dimless(math.NaN())
return errors.New("unit: dimension mismatch")
}
*d = Dimless(u.Unit().Value())
return nil
}
func (d Dimless) Format(fs fmt.State, c rune) {
switch c {
case 'v':
if fs.Flag('#') {
fmt.Fprintf(fs, "%T(%v)", d, float64(d))
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, float64(d))
case pOk:
fmt.Fprintf(fs, "%.*"+string(c), p, float64(d))
case wOk:
fmt.Fprintf(fs, "%*"+string(c), w, float64(d))
default:
fmt.Fprintf(fs, "%"+string(c), float64(d))
}
default:
fmt.Fprintf(fs, "%%!%c(%T=%g)", c, d, float64(d))
}
}
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