vnl_complex.h File Reference

Complex additions to vnl_math. More...

#include <cmath>
#include <complex>
#include <iosfwd>
#include <vnl/vnl_math.h>
#include "vnl/vnl_export.h"

Go to the source code of this file.

Namespaces
	vnl_math
	real numerical constants.

Macros
#define	type_macro(T)

Detailed Description

Complex additions to vnl_math.

We don't want everyone to pay for complex when they don't need it, as its ratio of expense to frequency of use is high. So we define those functions from vnl_math which use complex here instead. So this file adds to the vnl_math namespace.

  Modifications
   LSB (Manchester) 26/03/2001 Tidied documentation
   Peter Vanroose   24/10/2012 Now adds to the vnl_math namespace

Definition in file vnl_complex.h.

Macro Definition Documentation

type_macro

#define type_macro

(

T

)

Value:

inline bool isnan(std::complex<T >const& z) { return isnan(std::real(z)) || isnan(std::imag(z)); } \
 inline bool isfinite(std::complex<T >const& z) { return isfinite(std::real(z)) && isfinite(std::imag(z)); } \
 inline T abs(std::complex<T > const& z) { return std::abs(z); } \
 inline std::complex<T > sqr(std::complex<T > const& z) { return z*z; } \
 inline T squared_magnitude(std::complex<T > const& z) { return std::norm(z); }

Definition at line 31 of file vnl_complex.h.