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- import { write, read } from "@xtuc/ieee754";
- /**
- * According to https://webassembly.github.io/spec/binary/values.html#binary-float
- * n = 32/8
- */
- export var NUMBER_OF_BYTE_F32 = 4;
- /**
- * According to https://webassembly.github.io/spec/binary/values.html#binary-float
- * n = 64/8
- */
- export var NUMBER_OF_BYTE_F64 = 8;
- export var SINGLE_PRECISION_MANTISSA = 23;
- export var DOUBLE_PRECISION_MANTISSA = 52;
- export function encodeF32(v) {
- var buffer = [];
- write(buffer, v, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
- return buffer;
- }
- export function encodeF64(v) {
- var buffer = [];
- write(buffer, v, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
- return buffer;
- }
- export function decodeF32(bytes) {
- var buffer = Buffer.from(bytes);
- return read(buffer, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
- }
- export function decodeF64(bytes) {
- var buffer = Buffer.from(bytes);
- return read(buffer, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
- }
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