C/C++ - Convert 24-bit signed integer to float

Question

I\'m programming in C++. I need to convert a 24-bit signed integer (stored in a 3-byte array) to float (normalizing to [-1.0,1.0]).

The platform is MSVC++ on x86 (wh

Answer 1

Looks like you're treating it as an 24-bit unsigned integer. If the most significant bit is 1, you need to make i negative by setting the remaining 8 bits to 1 as well.