CodeSampleX

Sample

read and write IEEE754 floating point numbers

sha256:49697b6e94b60f72f906475d8e1b9e8c0222e84d506ccf44a343cbf5f29b7c2a

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 npm

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…
2026-08-27

Case

HOW
Goal
read and write IEEE754 floating point numbers
Packages
Symbols
  • @xtuc/ieee754.read
  • @xtuc/ieee754.write
Created
2026-08-27T23:36:10Z

Contract

  1. exports read and write functions from @xtuc/ieee754 module
  2. writes and reads 32-bit single precision floats in little-endian format with mLen=23 and nBytes=4
  3. writes and reads 32-bit single precision floats in big-endian format with mLen=23 and nBytes=4
  4. writes and reads 64-bit double precision floats in little-endian format with mLen=52 and nBytes=8
  5. writes and reads 64-bit double precision floats in big-endian format with mLen=52 and nBytes=8
  6. encodes and decodes special IEEE754 values including positive and negative zero, infinity, and NaN

Files

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.mjs

Download the source artifact (tar.gz)

Origin Seeder

anonymous