/usr/include/ITK-4.12/toms/rpoly.h is in libinsighttoolkit4-dev 4.12.2-dfsg1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | typedef struct v3p_netlib_rpoly_global_s v3p_netlib_rpoly_global_t;
/*: Finds the zeros of a real polynomial */
extern void v3p_netlib_rpoly_(
v3p_netlib_doublereal *op,
v3p_netlib_integer *degree,
v3p_netlib_doublereal *zeror,
v3p_netlib_doublereal *zeroi,
v3p_netlib_logical *fail,
v3p_netlib_rpoly_global_t* v3p_netlib_rpoly_global_arg
);
struct v3p_netlib_rpoly_global_s
{
v3p_netlib_doublereal p[101], qp[101], k[101], qk[101], svk[101];
v3p_netlib_doublereal sr, si, u, v, a, b, c, d;
v3p_netlib_doublereal a1, a2, a3, a6, a7, e, f, g;
v3p_netlib_doublereal h, szr, szi, lzr, lzi;
v3p_netlib_real eta, are, mre;
v3p_netlib_integer n, nn;
};
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