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introduce an utils.LittleEndian

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This commit is contained in:
Marten Seemann
2017-08-02 14:23:18 +07:00
parent 3bb4662cfc
commit 2330ac0497
25 changed files with 195 additions and 155 deletions
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12
internal/utils/float16.go
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@@ -21,9 +21,9 @@ const uFloat16MantissaBits = 16 - uFloat16ExponentBits
const uFloat16MantissaEffectiveBits = uFloat16MantissaBits + 1 // 12
const uFloat16MaxValue = ((uint64(1) << uFloat16MantissaEffectiveBits) - 1) << uFloat16MaxExponent // 0x3FFC0000000
// ReadUfloat16 reads a float in the QUIC-float16 format and returns its uint64 representation
func ReadUfloat16(b io.ByteReader) (uint64, error) {
val, err := ReadUint16(b)
// readUfloat16 reads a float in the QUIC-float16 format and returns its uint64 representation
func readUfloat16(b io.ByteReader, byteOrder ByteOrder) (uint64, error) {
val, err := byteOrder.ReadUint16(b)
if err != nil {
return 0, err
}
@@ -50,8 +50,8 @@ func ReadUfloat16(b io.ByteReader) (uint64, error) {
return res, nil
}
// WriteUfloat16 writes a float in the QUIC-float16 format from its uint64 representation
func WriteUfloat16(b *bytes.Buffer, value uint64) {
// writeUfloat16 writes a float in the QUIC-float16 format from its uint64 representation
func writeUfloat16(b *bytes.Buffer, byteOrder ByteOrder, value uint64) {
var result uint16
if value < (uint64(1) << uFloat16MantissaEffectiveBits) {
// Fast path: either the value is denormalized, or has exponent zero.
@@ -82,5 +82,5 @@ func WriteUfloat16(b *bytes.Buffer, value uint64) {
result = (uint16(value) + (exponent << uFloat16MantissaBits))
}
WriteUint16(b, result)
byteOrder.WriteUint16(b, result)
}