/usr/include/ITK-4.5/blas/dlamch.h is in libinsighttoolkit4-dev 4.5.0-3.
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 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | extern void v3p_netlib_dlamch_init();
extern v3p_netlib_doublereal v3p_netlib_dlamch_(
char *cmach,
v3p_netlib_ftnlen cmach_len
);
extern int v3p_netlib_dlamc1_(
v3p_netlib_integer *beta,
v3p_netlib_integer *t,
v3p_netlib_logical *rnd,
v3p_netlib_logical *ieee1
);
extern int v3p_netlib_dlamc2_(
v3p_netlib_integer *beta,
v3p_netlib_integer *t,
v3p_netlib_logical *rnd,
v3p_netlib_doublereal *eps,
v3p_netlib_integer *emin,
v3p_netlib_doublereal *rmin,
v3p_netlib_integer *emax,
v3p_netlib_doublereal *rmax
);
extern v3p_netlib_doublereal v3p_netlib_dlamc3_(
v3p_netlib_doublereal *a,
v3p_netlib_doublereal *b
);
extern int v3p_netlib_dlamc4_(
v3p_netlib_integer *emin,
v3p_netlib_doublereal *start,
v3p_netlib_integer *base
);
extern int v3p_netlib_dlamc5_(
v3p_netlib_integer *beta,
v3p_netlib_integer *p,
v3p_netlib_integer *emin,
v3p_netlib_logical *ieee,
v3p_netlib_integer *emax,
v3p_netlib_doublereal *rmax
);
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