Commit 433bc81b authored by Viet Dinh's avatar Viet Dinh

std::cbrt could not be found

parent c8bf1765
......@@ -2552,7 +2552,8 @@ double cv::solvePoly( InputArray _coeffs0, OutputArray _roots0, int maxIters )
cube_coefs.at<double>(0) = 64;
cv::solveCubic(cube_coefs, cube_roots);
num.re = std::cbrt(cube_roots.at<double>(0));
num.re = std::pow(std::abs(cube_roots.at<double>(0)), 1/3);
if(cube_roots.at<double>(0) < 0) num.re = -num.re;
num.im = std::sqrt(std::pow(num.re, 2) / 3 - old_num_re / (3*num.re));
}
}
......
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