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Functions for FixedPoint16 |  |
#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(...);