/usr/include/ITK-4.9/win32-vc8/vcl_complex.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | #ifndef vcl_win32_vc_8_complex_h_
#define vcl_win32_vc_8_complex_h_
#include <complex>
// It used to necessary to bring the complex abs functions from the
// std namespace into the global namespace to avoid conflicts with the
// (incorrect) cstdlib headers. Then these headers were
// updated to define the functions with a vcl_ prefix. We must do the
// same here.
#ifndef vcl_abs
# define vcl_abs vcl_abs
#endif
#define vcl_generic_complex_STD std
#include "../generic/vcl_complex.h"
template <class T> inline T vcl_abs(const vcl_complex<T>& x) { return std::abs(x); }
#endif // vcl_win32_vc_8_complex_h_
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