Analog Devices VISUALDSP++ 3.5 Manual page 515

The arguments
future expansion. However, the current version of the function ignores the
argument and always scales the output by
scaling. The function will also set
Algorithm
− −
n 1 n
∑ ∑
=
c i j ( , )
= =
k 0 l
where i={0,1,...,n -1}, j={0,1,2,...,n-1}
Domain
Input sequence length
VisualDSP++ 3.5 C/C++ Compiler and Library Manual
for ADSP-219x DSPs
and
block_exponent
1
π
− +
2 j i k j l n ( *
a k l e ( , )*
0
must be a power of two and at least 16.
n
DSP Run-Time Library
have been added for
scale_method
; this is equivalent to static
n*n
to
block_exponent
* )/
.
log2(n)
4-99