Have the vDSP functions vDSP_vabs and vDSP_vabsD recently changed? They seem
to be no longer working other than to simply return an unchanged version of an
input.
Here is a simple, Cocoa test routine I used to prove the point:
unsigned int ii;
double aa[10], bb[10];
for( ii=0; ii<10; ii++ ) { aa[ii]=1.1, bb[ii]=0; }
aa[1]=aa[3]=aa[6]=-2.2;
vDSP_vabsD( aa, 1, bb, 1, 10 );
ii = 0;
with breakpoints set at the "aa[1] ..." and "ii=0" lines.
The aa array is as expected at the 1st breakpoint; unfortunately, at the 2nd
breakpoint, the bb array matches aa rather than an absolute value version of aa.
Don Thompson
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