Should be less confusing for profiling

Gregory Maxwell authored 13 years ago and Jean-Marc Valin committed 13 years ago

non-ascii characters from the source.

Includes better error handling in fft/mdct init

Got authorization from all copyright holders

Also dropped support for radices above 5.

by POSIX. The other _t types that are not part of the API are still there
for now. Also, got rid of all that was left of the 64-bit types.

This involved adding kfft_single.[ch] that redefines kiss_fft a second time
with a different prefix. All this is still a bit of a mess now. The mask
had to be converted to 16-bit input, but we're still using floats to apply it.

(sort of)

different precision for twiddles and data.

Also fixed a bug that was exposed by the change (and removed some warnings)