1// Code generated by "go generate gonum.org/v1/gonum/unit”; DO NOT EDIT.
2
3// Copyright ©2014 The Gonum Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package unit
8
9import (
10	"errors"
11	"fmt"
12	"math"
13	"unicode/utf8"
14)
15
16// Length represents a length in metres.
17type Length float64
18
19const (
20	Yottametre Length = 1e24
21	Zettametre Length = 1e21
22	Exametre   Length = 1e18
23	Petametre  Length = 1e15
24	Terametre  Length = 1e12
25	Gigametre  Length = 1e9
26	Megametre  Length = 1e6
27	Kilometre  Length = 1e3
28	Hectometre Length = 1e2
29	Decametre  Length = 1e1
30	Metre      Length = 1.0
31	Decimetre  Length = 1e-1
32	Centimetre Length = 1e-2
33	Millimetre Length = 1e-3
34	Micrometre Length = 1e-6
35	Nanometre  Length = 1e-9
36	Picometre  Length = 1e-12
37	Femtometre Length = 1e-15
38	Attometre  Length = 1e-18
39	Zeptometre Length = 1e-21
40	Yoctometre Length = 1e-24
41)
42
43// Unit converts the Length to a *Unit
44func (l Length) Unit() *Unit {
45	return New(float64(l), Dimensions{
46		LengthDim: 1,
47	})
48}
49
50// Length allows Length to implement a Lengther interface
51func (l Length) Length() Length {
52	return l
53}
54
55// From converts the unit into the receiver. From returns an
56// error if there is a mismatch in dimension
57func (l *Length) From(u Uniter) error {
58	if !DimensionsMatch(u, Metre) {
59		*l = Length(math.NaN())
60		return errors.New("Dimension mismatch")
61	}
62	*l = Length(u.Unit().Value())
63	return nil
64}
65
66func (l Length) Format(fs fmt.State, c rune) {
67	switch c {
68	case 'v':
69		if fs.Flag('#') {
70			fmt.Fprintf(fs, "%T(%v)", l, float64(l))
71			return
72		}
73		fallthrough
74	case 'e', 'E', 'f', 'F', 'g', 'G':
75		p, pOk := fs.Precision()
76		w, wOk := fs.Width()
77		const unit = " m"
78		switch {
79		case pOk && wOk:
80			fmt.Fprintf(fs, "%*.*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), p, float64(l))
81		case pOk:
82			fmt.Fprintf(fs, "%.*"+string(c), p, float64(l))
83		case wOk:
84			fmt.Fprintf(fs, "%*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), float64(l))
85		default:
86			fmt.Fprintf(fs, "%"+string(c), float64(l))
87		}
88		fmt.Fprint(fs, unit)
89	default:
90		fmt.Fprintf(fs, "%%!%c(%T=%g m)", c, l, float64(l))
91	}
92}
93