getF64Encoder

function getF64Encoder(config): FixedSizeEncoder<number | bigint, 8>;

Returns an encoder for 64-bit floating-point numbers (f64).

This encoder serializes f64 values using 8 bytes. Floating-point values may lose precision when encoded.

For more details, see getF64Codec.

Parameters

Parameter	Type	Description
`config`	`NumberCodecConfig`	Optional configuration to specify endianness (little by default).

FixedSizeEncoder<number | bigint, 8>

A FixedSizeEncoder<number, 8> for encoding f64 values.

Encoding an f64 value.

const encoder = getF64Encoder();
const bytes = encoder.encode(-1.5); // 0x000000000000f8bf