rrdformat/rrdbinary/types.go


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package rrdbinary

import (
	"encoding/binary"
	"math"
)

type Architecture struct {
	ByteOrder binary.ByteOrder
	// C `double`
	FloatWidth int // always 8
	FloatAlign int
	// C `unsigned long`
	UintWidth int
	UintAlign int
	// C `union { unsigned long; double; }`
	UnivalWidth int // max(FloatWidth, IntWidth)
	UnivalAlign int // max(FloatAlign, IntAlign)
}

type String string // \0-terminatd
type Float float64 // 8 bytes
type Uint uint64   // 4 or 8 bytes
type Unival uint64 // 8 bytes

func (u Unival) AsUint64() uint64   { return uint64(u) }
func (u Unival) AsFloat64() float64 { return math.Float64frombits(uint64(u)) }