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95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
// Code generated by "go generate gonum.org/v1/gonum/unit”; DO NOT EDIT.
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// Copyright ©2014 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package unit
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import (
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"errors"
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"fmt"
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"math"
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"unicode/utf8"
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)
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// Pressure represents a pressure in Pascals.
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type Pressure float64
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const (
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Yottapascal Pressure = 1e24
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Zettapascal Pressure = 1e21
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Exapascal Pressure = 1e18
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Petapascal Pressure = 1e15
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Terapascal Pressure = 1e12
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Gigapascal Pressure = 1e9
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Megapascal Pressure = 1e6
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Kilopascal Pressure = 1e3
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Hectopascal Pressure = 1e2
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Decapascal Pressure = 1e1
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Pascal Pressure = 1.0
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Decipascal Pressure = 1e-1
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Centipascal Pressure = 1e-2
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Millipascal Pressure = 1e-3
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Micropascal Pressure = 1e-6
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Nanopascal Pressure = 1e-9
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Picopascal Pressure = 1e-12
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Femtopascal Pressure = 1e-15
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Attopascal Pressure = 1e-18
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Zeptopascal Pressure = 1e-21
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Yoctopascal Pressure = 1e-24
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)
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// Unit converts the Pressure to a *Unit
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func (pr Pressure) Unit() *Unit {
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return New(float64(pr), Dimensions{
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LengthDim: -1,
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MassDim: 1,
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TimeDim: -2,
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})
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}
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// Pressure allows Pressure to implement a Pressurer interface
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func (pr Pressure) Pressure() Pressure {
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return pr
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}
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// From converts the unit into the receiver. From returns an
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// error if there is a mismatch in dimension
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func (pr *Pressure) From(u Uniter) error {
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if !DimensionsMatch(u, Pascal) {
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*pr = Pressure(math.NaN())
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return errors.New("Dimension mismatch")
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}
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*pr = Pressure(u.Unit().Value())
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return nil
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}
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func (pr Pressure) Format(fs fmt.State, c rune) {
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switch c {
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case 'v':
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if fs.Flag('#') {
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fmt.Fprintf(fs, "%T(%v)", pr, float64(pr))
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return
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}
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fallthrough
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case 'e', 'E', 'f', 'F', 'g', 'G':
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p, pOk := fs.Precision()
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w, wOk := fs.Width()
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const unit = " Pa"
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switch {
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case pOk && wOk:
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fmt.Fprintf(fs, "%*.*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), p, float64(pr))
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case pOk:
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fmt.Fprintf(fs, "%.*"+string(c), p, float64(pr))
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case wOk:
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fmt.Fprintf(fs, "%*"+string(c), pos(w-utf8.RuneCount([]byte(unit))), float64(pr))
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default:
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fmt.Fprintf(fs, "%"+string(c), float64(pr))
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}
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fmt.Fprint(fs, unit)
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default:
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fmt.Fprintf(fs, "%%!%c(%T=%g Pa)", c, pr, float64(pr))
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}
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}
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