Please see the URL above for the original bug report and the full build log. I suspect the \(min) should be \min ... No file _formulas.aux. (/usr/share/texmf-dist/tex/latex/amsfonts/umsa.fd) (/usr/share/texmf-dist/tex/latex/amsfonts/umsb.fd) [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] ! LaTeX Error: Bad math environment delimiter. See the LaTeX manual or LaTeX Companion for explanation. Type H <return> for immediate help. ... l.64 \[ \Vert v - w \Vert \leqslant p\,\( min)(\Vert v\Vert, \Vert w\Vert). \] ? Type <return> to proceed, S to scroll future error messages, R to run without stopping, Q to run quietly, I to insert something, E to edit your file, 1 or ... or 9 to ignore the next 1 to 9 tokens of input, H for help, X to quit. ?
Thanks for the report. This has already been fixed in changeset db626fe01911. The fix will be included in Eigen 3.0.3 which we plan to release next week. If you want it fixed faster in Gentoo, then replace "\(min)" by "\min" in Eigen/src/Core/Fuzzy.h line 97 (as you already said).
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