real.cpp File Reference

#include <cmath>
#include <cassert>
#include "consts.h"
#include "real.h"

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Namespaces
namespace	qucs
Functions
nr_double_t	qucs::cos (const nr_double_t arg)
	Compute cosine of an angle.
nr_double_t	qucs::sin (const nr_double_t arg)
	Compute sine of an angle.
nr_double_t	qucs::tan (const nr_double_t arg)
	Compute tangent of an angle.
nr_double_t	qucs::acos (const nr_double_t arg)
	Compute arc cosine.
nr_double_t	qucs::asin (const nr_double_t arg)
	Compute arc sine.
nr_double_t	qucs::atan (const nr_double_t arg)
	Compute arc tangent.
nr_double_t	qucs::atan2 (const nr_double_t x, const nr_double_t y)
	Compute arc tangent with two parameters (fortran like function)
nr_double_t	qucs::cosh (const nr_double_t arg)
	Compute hyperbolic cosine.
nr_double_t	qucs::sinh (const nr_double_t arg)
	Compute hyperbolic sine.
nr_double_t	qucs::tanh (const nr_double_t arg)
	Compute hyperbolic tangent.
nr_double_t	qucs::acosh (const nr_double_t arg)
	Compute arc hyperbolic cosine.
nr_double_t	qucs::asinh (const nr_double_t arg)
	Compute arc hyperbolic sine.
nr_double_t	qucs::atanh (const nr_double_t arg)
	Compute arc hyperbolic tangent.
nr_double_t	qucs::exp (const nr_double_t arg)
nr_double_t	qucs::log (const nr_double_t arg)
nr_double_t	qucs::log10 (const nr_double_t arg)
nr_double_t	qucs::pow (const nr_double_t a, const nr_double_t b)
nr_double_t	qucs::sqrt (const nr_double_t d)
nr_double_t	qucs::xhypot (const nr_double_t a, const nr_double_t b)
	Euclidean distance function.
nr_double_t	qucs::erf (nr_double_t arg)
nr_double_t	qucs::ceil (nr_double_t arg)
nr_double_t	qucs::floor (nr_double_t arg)
nr_double_t	qucs::fmod (nr_double_t arg)
nr_double_t	qucs::trunc (nr_double_t arg)
nr_double_t	qucs::round (nr_double_t arg)
nr_double_t	qucs::coth (const nr_double_t d)
nr_double_t	qucs::sech (const nr_double_t d)
nr_double_t	qucs::cosech (const nr_double_t d)
nr_double_t	qucs::sqr (const nr_double_t r)
	Square a value.
unsigned int	qucs::sqr (unsigned int r)
nr_double_t	qucs::quadr (const nr_double_t r)
	Quartic function.
nr_double_t	qucs::limexp (const nr_double_t r)
	Compute limited exponential.
nr_double_t	qucs::signum (const nr_double_t d)
	real signum function
nr_double_t	qucs::sign (const nr_double_t d)
	real sign function
nr_double_t	qucs::sinc (const nr_double_t d)
	Real cardinal sinus.
nr_double_t	qucs::fix (const nr_double_t d)
	Fix function.
nr_double_t	qucs::step (const nr_double_t d)
	Heaviside step function.
unsigned int	qucs::factorial (unsigned int n)
	Compute factorial n ie $n!$.
nr_double_t	qucs::real (const nr_double_t r)
	Real part of real number.
nr_double_t	qucs::imag (const nr_double_t r)
	Imaginary part of complex number.
nr_double_t	qucs::norm (const nr_double_t r)
	Compute euclidian norm of real number.
nr_double_t	qucs::abs (const nr_double_t r)
	Compute complex modulus of real number.
nr_double_t	qucs::conj (const nr_double_t r)
	Conjugate of real number.
nr_double_t	qucs::rad2deg (const nr_double_t x)
	rad2deg Convert radian to degree
nr_double_t	qucs::deg2rad (const nr_double_t x)
	deg2rad Convert radian to degree