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