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add PIFixedPoint

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git-svn-id: svn://db.shs.com.ru/pip@98 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5
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Бычков Андрей
2015-04-15 07:30:57 +00:00
parent b7d79332d8
commit c2df2808a5
1 changed files with 13 additions and 10 deletions
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23
src/math/pifixedpoint.h
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@@ -20,25 +20,27 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "picout.h"
#ifndef PIFIXEDPOINT_H
#define PIFIXEDPOINT_H
template<int Precision = 0, typename Type = int>
class FixedPoint {
class PIFixedPoint {
// friend PICout operator <<(PICout s, const FixedPoint<> & v);
public:
typedef FixedPoint<Precision, Type> fp;
FixedPoint(const Type &v = Type()) {val = fpv(v);}
FixedPoint(const fp &v) {val = v.val;}
FixedPoint(const float &v) {val = Precision == 0 ? Type(v) : Type(v * (2 << Precision-1));}
FixedPoint(const double &v) {val = Precision == 0 ? Type(v) : Type(v * (2 << Precision-1));}
typedef PIFixedPoint<Precision, Type> fp;
PIFixedPoint(const Type &v = Type()) {val = fpv(v);}
PIFixedPoint(const fp &v) {val = v.val;}
PIFixedPoint(const float &v) {val = Precision == 0 ? Type(v) : Type(v * (2 << Precision-1));}
PIFixedPoint(const double &v) {val = Precision == 0 ? Type(v) : Type(v * (2 << Precision-1));}
// FixedPoint(const long double &v) {val = Precision == 0 ? Type(v) : Type(v * (2 << Precision-1));}
template<typename T>
fp & operator=(const T & v) {val = fpv(Type(v)); return *this;}
fp & operator=(const fp & v) {val = v.val; return *this;}
fp & operator=(const float &v) {val = FixedPoint(v).val; return *this;}
fp & operator=(const double &v) {val = FixedPoint(v).val; return *this;}
fp & operator=(const long double &v) {val = FixedPoint(v).val; return *this;}
fp & operator=(const float &v) {val = PIFixedPoint(v).val; return *this;}
fp & operator=(const double &v) {val = PIFixedPoint(v).val; return *this;}
fp & operator=(const long double &v) {val = PIFixedPoint(v).val; return *this;}
fp & operator-() {fp p = fp(*this); p.val = -val; return p;}
bool operator==(const fp & v) const {val == v.val;}
bool operator!=(const fp & v) const {val != v.val;}
@@ -73,8 +75,9 @@ public:
Type val;
};
template<int Precision, typename Type>
inline PICout operator <<(PICout s, const FixedPoint<Precision, Type> & v) {
inline PICout operator <<(PICout s, const PIFixedPoint<Precision, Type> & v) {
s.space(); s.setControl(0, true);
if (Precision == 0) s << v.val;
else {