[ VIGRA Homepage | Function Index | Class Index | Namespaces | File List | Main Page ]

details Functions for FixedPoint16 VIGRA

#include <vigra/fixedpoint.hxx>
More...

Functions

template<int IntBits, FPOverflowHandling OverflowHandling>
FixedPoint16< IntBits,
OverflowHandling > 
abs (FixedPoint16< IntBits, OverflowHandling > v)
 absolute value.
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3>
FixedPoint16< IntBits3,
OverflowHandling > & 
add (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)
 addition with enforced result type.
template<int IntBits, FPOverflowHandling OverflowHandling>
FixedPoint16< 2, OverflowHandling > atan2 (FixedPoint16< IntBits, OverflowHandling > y, FixedPoint16< IntBits, OverflowHandling > x)
 Arctangent. Accuracy better than 1/3 degree (9 significant bits).
template<int IntBits, FPOverflowHandling OverflowHandling>
Int32 ceil (FixedPoint16< IntBits, OverflowHandling > v)
 rounding up.
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3>
FixedPoint16< IntBits3,
OverflowHandling > & 
div (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)
 division with enforced result type.
template<int IntBits, FPOverflowHandling OverflowHandling>
FixedPoint16< IntBits,
OverflowHandling > 
dual_frac (FixedPoint16< IntBits, OverflowHandling > v)
 dual fractional part. (1 - frac(v))
template<class TARGET , int IntBits, FPOverflowHandling OverflowHandling>
TARGET fixed_point_cast (FixedPoint16< IntBits, OverflowHandling > v)
template<int IntBits, FPOverflowHandling OverflowHandling>
Int32 floor (FixedPoint16< IntBits, OverflowHandling > v)
 rounding down.
template<int IntBits, FPOverflowHandling OverflowHandling>
FixedPoint16< IntBits,
OverflowHandling > 
frac (FixedPoint16< IntBits, OverflowHandling > v)
 fractional part. (difference between v and its floor)
template<int IntBits, FPOverflowHandling OverflowHandling>
FixedPoint16< IntBits,
OverflowHandling > 
hypot (FixedPoint16< IntBits, OverflowHandling > v1, FixedPoint16< IntBits, OverflowHandling > v2)
 Length of hypotenuse.
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3>
FixedPoint16< IntBits3,
OverflowHandling > & 
mul (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)
 multiplication with enforced result type.
template<int IntBits, FPOverflowHandling OverflowHandling>
NormTraits< FixedPoint16
< IntBits, OverflowHandling >
>::NormType 
norm (FixedPoint16< IntBits, OverflowHandling > const &v)
 norm (same as abs).
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
bool operator!= (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 not equal
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
PromoteTraits< FixedPoint16
< IntBits1, OverflowHandling >
, FixedPoint16< IntBits2,
OverflowHandling > >::Promote 
operator* (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 multiplication with automatic determination of the appropriate result type.
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
PromoteTraits< FixedPoint16
< IntBits1, OverflowHandling >
, FixedPoint16< IntBits2,
OverflowHandling > >::Promote 
operator+ (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 addition with automatic determination of the appropriate result type.
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
PromoteTraits< FixedPoint16
< IntBits1, OverflowHandling >
, FixedPoint16< IntBits2,
OverflowHandling > >::Promote 
operator- (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 subtraction with automatic determination of the appropriate result type.
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
PromoteTraits< FixedPoint16
< IntBits1, OverflowHandling >
, FixedPoint16< IntBits2,
OverflowHandling > >::Promote 
operator/ (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 division with automatic determination of the appropriate result type.
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
bool operator< (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 less than
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
bool operator<= (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 less or equal
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
bool operator== (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 equal
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
bool operator> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 greater
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2>
bool operator>= (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)
 greater or equal
template<int IntBits, FPOverflowHandling OverflowHandling>
Int32 round (FixedPoint16< IntBits, OverflowHandling > v)
 rounding to the nearest integer.
template<int IntBits, FPOverflowHandling OverflowHandling>
Int32 roundi (FixedPoint16< IntBits, OverflowHandling > v)
 rounding to the nearest integer.
template<int IntBits, FPOverflowHandling OverflowHandling>
SquareRootTraits< FixedPoint16
< IntBits, OverflowHandling >
>::SquareRootResult 
sqrt (FixedPoint16< IntBits, OverflowHandling > v)
 square root.
template<int IntBits, FPOverflowHandling OverflowHandling>
NormTraits< FixedPoint16
< IntBits, OverflowHandling >
>::SquaredNormType 
squaredNorm (FixedPoint16< IntBits, OverflowHandling > v)
 squared norm (same as v*v).
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3>
FixedPoint16< IntBits3,
OverflowHandling > & 
sub (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)
 subtraction with enforced result type.

Detailed Description

#include <vigra/fixedpoint.hxx>

These functions fulfill the requirements of an AlgebraicRing.

Namespace: vigra


Function Documentation

TARGET fixed_point_cast ( FixedPoint16< IntBits, OverflowHandling >  v  ) 

Convert a FixedPoint16 to a built-in type. If the target is integral, the value is rounded.
Usage:

        FixedPoint16<16,15> fp(...);
        
        double d = fixed_point_cast<double>(fp);

© Ullrich Köthe (ullrich.koethe@iwr.uni-heidelberg.de)
Heidelberg Collaboratory for Image Processing, University of Heidelberg, Germany

html generated using doxygen and Python
vigra 1.8.0 (20 Sep 2011)