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Functions for FixedPoint |  |
#include <vigra/fixedpoint.hxx>
More...
Functions | |
| template<unsigned IntBits, unsigned FracBits> | |
| FixedPoint< IntBits, FracBits > | abs (FixedPoint< IntBits, FracBits > v) |
| absolute value. | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2, unsigned IntBits3, unsigned FracBits3> | |
| void | add (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r, FixedPoint< IntBits3, FracBits3 > &result) |
| addition with enforced result type. | |
| template<unsigned IntBits, unsigned FracBits> | |
| int | ceil (FixedPoint< IntBits, FracBits > v) |
| rounding up. | |
| template<unsigned IntBits, unsigned FracBits> | |
| FixedPoint< 0, FracBits > | dual_frac (FixedPoint< IntBits, FracBits > v) |
dual fractional part: 1 - frac(v). | |
| template<class TARGET , unsigned IntBits, unsigned FracBits> | |
| TARGET | fixed_point_cast (FixedPoint< IntBits, FracBits > v) |
| template<unsigned IntBits, unsigned FracBits> | |
| int | floor (FixedPoint< IntBits, FracBits > v) |
| rounding down. | |
| template<unsigned IntBits, unsigned FracBits> | |
| FixedPoint< 0, FracBits > | frac (FixedPoint< IntBits, FracBits > v) |
| fractional part. | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2, unsigned IntBits3, unsigned FracBits3> | |
| void | mul (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r, FixedPoint< IntBits3, FracBits3 > &result) |
| multiplication with enforced result type. | |
| template<unsigned IntBits, unsigned FracBits> | |
| FixedPoint< IntBits, FracBits > | norm (FixedPoint< IntBits, FracBits > const &v) |
| norm (same as abs). | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| bool | operator!= (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| not equal | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| FixedPointTraits< FixedPoint < IntBits1, FracBits1 > , FixedPoint< IntBits2, FracBits2 > >::MultipliesType | operator* (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| multiplication with automatic determination of the appropriate result type. | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| FixedPointTraits< FixedPoint < IntBits1, FracBits1 > , FixedPoint< IntBits2, FracBits2 > >::PlusType | operator+ (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| addition with automatic determination of the appropriate result type. | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| FixedPointTraits< FixedPoint < IntBits1, FracBits1 > , FixedPoint< IntBits2, FracBits2 > >::MinusType | operator- (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| subtraction with automatic determination of the appropriate result type. | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| bool | operator< (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| less than | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| bool | operator<= (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| less or equal | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| bool | operator== (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| equal | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| bool | operator> (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| greater | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2> | |
| bool | operator>= (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r) |
| greater or equal | |
| template<unsigned IntBits, unsigned FracBits> | |
| int | round (FixedPoint< IntBits, FracBits > v) |
| rounding to the nearest integer. | |
| template<unsigned IntBits, unsigned FracBits> | |
| SquareRootTraits< FixedPoint < IntBits, FracBits > >::SquareRootResult | sqrt (FixedPoint< IntBits, FracBits > v) |
| square root. | |
| template<unsigned IntBits, unsigned FracBits> | |
| FixedPointTraits< FixedPoint < IntBits, FracBits > , FixedPoint< IntBits, FracBits > >::MultipliesType | squaredNorm (FixedPoint< IntBits, FracBits > v) |
| squared norm (same as v*v). | |
| template<unsigned IntBits1, unsigned FracBits1, unsigned IntBits2, unsigned FracBits2, unsigned IntBits3, unsigned FracBits3> | |
| void | sub (FixedPoint< IntBits1, FracBits1 > l, FixedPoint< IntBits2, FracBits2 > r, FixedPoint< IntBits3, FracBits3 > &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 vigra::fixed_point_cast | ( | FixedPoint< IntBits, FracBits > | v | ) |
Convert a FixedPoint to a built-in type. If the target is integral, the value is rounded.
Usage:
FixedPoint<16,15> fp(...);