add reference code for unit test
codec check init
check can call amrnb encoder from 3gpp-amrnb
check can call decode from 3gpp-amrnb
copy amrnb source code from 3gpp-amrnb
convert source file to unix line feed
typedef change to c99 standard
check add missing type Float64
change check to c3gnb
c3gnb output 3 files for check encoder and decoder
new check module for clean-amr
clean ETSI code
delete IF2 code
change file encode to utf-8
remove some compile warnings
remove pre_state pointer
vadstat not use pointer anymore
remove plsfState pointer
remove lots of pointers
remove all encoder pointer