/usr/include/ITK-4.9/vcl_cfloat.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | #ifndef vcl_cfloat_h_
#define vcl_cfloat_h_
//:
// \file
// \author Peter Vanroose, esat.kuleuven.be
// This should define C-style numeric floating point macros
#include "vcl_compiler.h"
#if !VCL_CXX_HAS_HEADER_CFLOAT
# include <float.h>
#elif defined(VCL_BORLAND_55)
# include "borland55/vcl_cfloat.h"
#else
# include "iso/vcl_cfloat.h"
#endif
#ifndef FLT_MAX
# ifdef MAXFLOAT
# define FLT_MAX MAXFLOAT
# endif
#endif
#ifndef DBL_MAX
# ifdef MAXDOUBLE
# define DBL_MAX MAXDOUBLE
# endif
#endif
#ifndef FLT_MIN
# ifdef MINFLOAT
# define FLT_MIN MINFLOAT
# endif
#endif
#ifndef DBL_MIN
# ifdef MINDOUBLE
# define DBL_MIN MINDOUBLE
# endif
#endif
#ifndef FLT_MAX
# include <vcl_cmath.h>
#endif
#ifndef FLT_MAX
# include <values.h>
#endif
#ifndef FLT_MAX
# include <limits.h>
#endif
#ifndef FLT_MAX
# define FLT_MAX 3.40282346638528860e38F
#endif
#ifndef DBL_MAX
# define DBL_MAX 1.7976931348623157e308
#endif
#ifndef FLT_MIN
# define FLT_MIN 1.1754943508222875e-38F
#endif
#ifndef DBL_MIN
# define DBL_MIN 2.2250738585072014e-308
#endif
// Don't define MAXFLOAT, MAXDOUBLE and relatives here. They are not
// part of the standard (see table 17, section 18.2.2/3), and may not
// be defined in cfloat. Defining them here may cause unnecessary
// redefinition warnings depending on the order that a user includes
// header files.
// If you absolutely need MAXFLOAT, look in the C header file math.h
#endif // vcl_cfloat_h_
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