Spirix License

Definitions

"Spirix" refers to the numerical library implementing two's complement floating-point arithmetic
"Patent" refers to the provisional patent application titled "TWO'S COMPLEMENT FLOATING POINT ARITHMETIC SYSTEM" and any resulting patents
"Software Implementation" refers to any implementation in a programming language
"Hardware Implementation" refers to any physical or simulated hardware implementation
"Python" refers to the Python programming language and any derivative implementations
"Licensee" refers to any individual or entity using Spirix

Grant of License

Subject to the terms and conditions of this License, Nick Spiker hereby grants you a worldwide, royalty-free, non-exclusive license to use, copy, modify, and distribute Software Implementations of Spirix, provided that:

The implementation is in the Rust programming language, or
The implementation has received explicit written approval from Nick Spiker, digitally signed with Nick Spiker's PGP key

Explicit Prohibitions

Hardware Implementations

This license explicitly PROHIBITS:

Any hardware implementation
Any ASIC design
Any FPGA implementation
Any hardware accelerator design
Any silicon implementation
Any custom processor design
Any microcode implementation
Any hardware simulation or emulation
Any attempt to create physical embodiments of the algorithms

Programming Language Restrictions

This license explicitly PROHIBITS:

Any implementation in Python
Any bindings to Python
Any wrappers for Python
Any interface that allows Python to access Spirix functionality
Any attempt to circumvent these Python restrictions

Implementation Permissions

Recommended Implementation

Rust implementations are explicitly permitted and recommended

Other Languages

Other language implementations require explicit approval and must meet these criteria:

Memory safety guarantees
Strong type system
Clear justification for necessity
Complete test coverage
Documentation of safety measures
Isolation of unsafe code

Approval Process

To request approval for other language implementations:

Submit formal written request to [email protected]
Include complete technical documentation
Provide safety and testing documentation
Await written PGP signed approval from Nick Spiker
Maintain compliance with any additional requirements

Derivative Works

Definition

Any implementation of binary floating-point arithmetic using two's complement representation as described in the Patent is considered a derivative work of Spirix, whether in software or hardware, and is subject to the claims of the Patent.

Restrictions

Derivative works are prohibited unless explicitly authorized in writing by Nick Spiker. Unauthorized derivative works may constitute patent infringement.

Commercial Licensing

Hardware Implementation Licensing

For hardware implementation rights under the Patent, contact:

Nick Spiker
[email protected]

Commercial Use

Commercial use of the software implementation is permitted within the terms of this license.

Contributions and Modifications

Accepted Contributions

Bug reports
Performance improvements
Documentation improvements
Test cases
Rust implementation optimizations

Contribution Process

All contributions must be:

Submitted thru official channels
Fully documented
Licensed under terms compatible with this license
Reviewed and approved by Nick Spiker

Revocation

Grounds for Revocation

Nick Spiker reserves the right to revoke this license for:

Attempting to circumvent license restrictions
Creating unauthorized implementations
Attempting unauthorized hardware implementations
Malicious use or intent
Violation of any license terms

Effect of Revocation

Upon revocation:

All rights granted under this license terminate immediately
All use of Spirix must cease
All copies must be destroyed

Warranty and Liability

THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

Patent Rights

Patent Status

Spirix is protected by a provisional patent application filed with the United States Patent and Trademark Office. All rights associated with this patent application and any resulting patents are reserved by Nick Spiker.

Software Implementation License

This license includes a limited patent license for software implementations only, as specified in the "Grant of License" section, subject to the restrictions outlined in this license.

Hardware Patents

All patent rights for hardware implementations are explicitly reserved. Hardware implementations require a separate commercial license agreement.

Export Compliance

Licensee must comply with all applicable export and re-export control laws and regulations.

Governing Law

This license shall be governed by and construed in accordance with the laws of the United States of America.

Contact Information

For licensing inquiries: