blob: 62e2e22756764211c5b6dfa07eee22d3a5328f73 [file] [log] [blame]
// 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"
)
// Velocity represents a velocity in metres per second.
type Velocity float64
// Unit converts the Velocity to a *Unit.
func (v Velocity) Unit() *Unit {
return New(float64(v), Dimensions{
LengthDim: 1,
TimeDim: -1,
})
}
// Velocity allows Velocity to implement a Velocityer interface.
func (v Velocity) Velocity() Velocity {
return v
}
// From converts the unit into the receiver. From returns an
// error if there is a mismatch in dimension.
func (v *Velocity) From(u Uniter) error {
if !DimensionsMatch(u, Velocity(0)) {
*v = Velocity(math.NaN())
return errors.New("unit: dimension mismatch")
}
*v = Velocity(u.Unit().Value())
return nil
}
func (v Velocity) Format(fs fmt.State, c rune) {
switch c {
case 'v':
if fs.Flag('#') {
fmt.Fprintf(fs, "%T(%v)", v, float64(v))
return
}
fallthrough
case 'e', 'E', 'f', 'F', 'g', 'G':
p, pOk := fs.Precision()
w, wOk := fs.Width()
const unit = " m s^-1"
switch {
case pOk && wOk:
fmt.Fprintf(fs, "%*.*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), p, float64(v))
case pOk:
fmt.Fprintf(fs, "%.*"+string(c), p, float64(v))
case wOk:
fmt.Fprintf(fs, "%*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), float64(v))
default:
fmt.Fprintf(fs, "%"+string(c), float64(v))
}
fmt.Fprint(fs, unit)
default:
fmt.Fprintf(fs, "%%!%c(%T=%g m s^-1)", c, v, float64(v))
}
}