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function test_cpp_complex;
$ #include <complex>
$ using std::complex;
$ using std::conj;
$
$ complex<double> zsum(complex<double>* zarray, int n) {
$ complex<double> sum(0);
$ for (int i = 0; i < n; ++i) sum += zarray[i];
$ return sum;
$ }
zarray = rand(10,1) + 1i*rand(10,1);
n = length(zarray);
# dcomplex result = zsum(dcomplex[] zarray, int n);
tassert(abs(result-sum(zarray)) < 1e-10*norm(zarray), 'C++ complex support');
# dcomplex cresult = conj(dcomplex result);
tassert(conj(result) == cresult, 'C++ complex support (2)');
function tassert(pred, msg)
if ~pred, fprintf('Failure: %s\n', msg); end
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