diff options
Diffstat (limited to 'externals/grill/flext/source/flsupport.cpp')
| -rw-r--r-- | externals/grill/flext/source/flsupport.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/externals/grill/flext/source/flsupport.cpp b/externals/grill/flext/source/flsupport.cpp index 85ebae79..cd57dfd8 100644 --- a/externals/grill/flext/source/flsupport.cpp +++ b/externals/grill/flext/source/flsupport.cpp @@ -58,3 +58,21 @@ void flext::GetAString(const t_atom &a,char *buf,int szbuf) else if(IsInt(a)) sprintf(buf,"%i",GetInt(a)); #endif } + +int flext::FoldBits(unsigned long h,int bits) +{ + if(!bits) return 0; + const int hmax = (1<<bits)-1; + int ret = 0; + for(int i = 0; i < sizeof(h)*8; i += bits) + ret = ret^((h>>i)&hmax); + return ret; +} + +int flext::Int2Bits(unsigned long n) +{ + int b; + for(b = 0; n; ++b) n >>= 1; + return b; +} + |