Decoding code for LDPC Weighted Bit Flipping Algorithm (WBF) Based on the book Error Correcting Codes by LShu&DCostello

ldpc的编码和译码方法，译码我验证过了，都是对的，包括wbf和bf译码方法，编码方法包括四种不同的编码方法-LDPC encoding and decoding method, decoding I verified, all is right, including any WBF and bf decoding method, the encoding methods include four different coding methods