diff options
author | Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-07-08 07:56:01 +0000 |
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committer | Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-07-08 07:56:01 +0000 |
commit | 6f09d3a67d333d68e7c971147ec77600e86e93f3 (patch) | |
tree | 36095d2bb12c0b02b9688775f60ee5531d2b0372 /demos | |
parent | f5791eeb7054b78ded6eb080e9712651da6c6a34 (diff) |
- many updates after Cwise change
- fix compilation in product.cpp with std::complex
- fix bug in MatrixBase::operator!=
Diffstat (limited to 'demos')
-rw-r--r-- | demos/mandelbrot/mandelbrot.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/demos/mandelbrot/mandelbrot.cpp b/demos/mandelbrot/mandelbrot.cpp index 2aaeab1e5..c363b4543 100644 --- a/demos/mandelbrot/mandelbrot.cpp +++ b/demos/mandelbrot/mandelbrot.cpp @@ -87,13 +87,13 @@ template<typename Real> void MandelbrotThread::render(int img_width, int img_hei { # define ITERATE \ pzr_buf = pzr; \ - pzr = pzr.cwiseAbs2() - pzi.cwiseAbs2() + pcr; \ - pzi = 2 * pzr_buf.cwiseProduct(pzi) + pci; + pzr = pzr.cwise().square() - pzi.cwise().square() + pcr; \ + pzi = (2*pzr_buf).cwise()*pzi + pci; ITERATE ITERATE ITERATE ITERATE } - pix_dont_diverge = (pzr.cwiseAbs2() + pzi.cwiseAbs2()) + pix_dont_diverge = ((pzr.cwise().square() + pzi.cwise().square()) .eval() // temporary fix as what follows is not yet vectorized by Eigen - .cwiseLessThan(Packet::constant(4)) + .cwise() <= Packet::constant(4)) // the 4 here is not a magic value, it's a math fact that if // the square modulus is >4 then divergence is inevitable. .template cast<int>(); |