1package ieee754
 2
 3import (
 4	"encoding/binary"
 5	"io"
 6	"math"
 7)
 8
 9// DecodeFloat32 decodes a float32 in IEEE 754 binary representation.
10// See https://www.w3.org/TR/2019/REC-wasm-core-1-20191205/#floating-point%E2%91%A2
11func DecodeFloat32(buf []byte) (float32, error) {
12	if len(buf) < 4 {
13		return 0, io.ErrUnexpectedEOF
14	}
15
16	raw := binary.LittleEndian.Uint32(buf[:4])
17	return math.Float32frombits(raw), nil
18}
19
20// DecodeFloat64 decodes a float64 in IEEE 754 binary representation.
21// See https://www.w3.org/TR/2019/REC-wasm-core-1-20191205/#floating-point%E2%91%A2
22func DecodeFloat64(buf []byte) (float64, error) {
23	if len(buf) < 8 {
24		return 0, io.ErrUnexpectedEOF
25	}
26
27	raw := binary.LittleEndian.Uint64(buf)
28	return math.Float64frombits(raw), nil
29}