[6a3a178] | 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.encodeF32 = encodeF32;
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| 7 | exports.encodeF64 = encodeF64;
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| 8 | exports.decodeF32 = decodeF32;
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| 9 | exports.decodeF64 = decodeF64;
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| 10 | exports.DOUBLE_PRECISION_MANTISSA = exports.SINGLE_PRECISION_MANTISSA = exports.NUMBER_OF_BYTE_F64 = exports.NUMBER_OF_BYTE_F32 = void 0;
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| 11 |
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| 12 | var _ieee = require("@xtuc/ieee754");
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| 13 |
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| 14 | /**
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| 15 | * According to https://webassembly.github.io/spec/binary/values.html#binary-float
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| 16 | * n = 32/8
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| 17 | */
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| 18 | var NUMBER_OF_BYTE_F32 = 4;
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| 19 | /**
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| 20 | * According to https://webassembly.github.io/spec/binary/values.html#binary-float
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| 21 | * n = 64/8
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| 22 | */
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| 23 |
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| 24 | exports.NUMBER_OF_BYTE_F32 = NUMBER_OF_BYTE_F32;
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| 25 | var NUMBER_OF_BYTE_F64 = 8;
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| 26 | exports.NUMBER_OF_BYTE_F64 = NUMBER_OF_BYTE_F64;
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| 27 | var SINGLE_PRECISION_MANTISSA = 23;
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| 28 | exports.SINGLE_PRECISION_MANTISSA = SINGLE_PRECISION_MANTISSA;
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| 29 | var DOUBLE_PRECISION_MANTISSA = 52;
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| 30 | exports.DOUBLE_PRECISION_MANTISSA = DOUBLE_PRECISION_MANTISSA;
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| 31 |
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| 32 | function encodeF32(v) {
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| 33 | var buffer = [];
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| 34 | (0, _ieee.write)(buffer, v, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
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| 35 | return buffer;
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| 36 | }
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| 37 |
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| 38 | function encodeF64(v) {
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| 39 | var buffer = [];
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| 40 | (0, _ieee.write)(buffer, v, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
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| 41 | return buffer;
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| 42 | }
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| 43 |
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| 44 | function decodeF32(bytes) {
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| 45 | var buffer = Buffer.from(bytes);
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| 46 | return (0, _ieee.read)(buffer, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
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| 47 | }
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| 48 |
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| 49 | function decodeF64(bytes) {
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| 50 | var buffer = Buffer.from(bytes);
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| 51 | return (0, _ieee.read)(buffer, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
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| 52 | } |
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