diff options
Diffstat (limited to 'node_modules/@webassemblyjs/ieee754/esm')
-rw-r--r-- | node_modules/@webassemblyjs/ieee754/esm/index.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/node_modules/@webassemblyjs/ieee754/esm/index.js b/node_modules/@webassemblyjs/ieee754/esm/index.js new file mode 100644 index 0000000..88d9d4c --- /dev/null +++ b/node_modules/@webassemblyjs/ieee754/esm/index.js @@ -0,0 +1,33 @@ +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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