非规则重复累积码(IRA)在AWGN信道的编译码C程序，译码算法BP算法。程序用txt文档保存。-Code irregular repeat accumulate (IRA) in the AWGN channel codec C procedures, BP decoding algorithm. Txt document with the preservation process.

一个基于BP算法的低密度奇偶校验码译码程序。-A decoding program based on BP of LDPC.