Issue 27 in libfixmath: Probably error in log2 functions test for skipping decimal part

[libfi...@googlecode.com]

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 27 by raphen...@gmail.com: Probably error in log2 functions test
for skipping decimal part
http://code.google.com/p/libfixmath/issues/detail?id=27

line 132 in fix16_exp.c reads:
if(x == 0) return (result << 16);

but it probably should be
if(x == 1) return (result << 16);

If I understand correctly this is to test if x was dividable by 2. In other
words, do we need to calculate decimal part.

So if x was 2^n then x is 1 after the while loop as 2^0 is 1.

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