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@ -12,8 +12,8 @@
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// release_date :
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//
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// file : include/CGAL/Interval_arithmetic.h
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// revision : 1.2
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// revision_date : 16 December 1997
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// revision : 1.3
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// revision_date : 6 February 1998
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// author(s) : Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
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//
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// coordinator : INRIA Sophia-Antipolis (<Herve.Bronnimann@sophia.inria.fr>)
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@ -24,14 +24,6 @@
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// - CGAL_Interval_nt_advanced (do the FPU tricks yourself)
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// - CGAL_Interval_nt (derived from the other one)
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/*
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* TODO:
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* - get/set FPU rounding modes.
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* - Check_assertions, when it's needed.
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* - don't force (check if it's ok) the precision: long doubles internally
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* are great !
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*/
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#ifndef CGAL_INTERVAL_ARITHMETIC_H
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#define CGAL_INTERVAL_ARITHMETIC_H
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@ -49,7 +41,9 @@ public:
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inline CGAL_Interval_nt_advanced(double i, double s)
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{
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// Check assertion i<=s.
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#ifndef CGAL_NO_PRECONDITIONS
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assert(i<=s);
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#endif
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inf = -i; sup = s;
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}
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@ -214,12 +208,12 @@ public:
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inline bool operator==(const CGAL_Interval_nt_advanced& d) const
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{
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return (inf>=d.inf && sup>=-d.inf) || (d.inf>=inf && d.sup>=-inf);
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return !(*this != d);
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}
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inline bool operator!=(const CGAL_Interval_nt_advanced& d) const
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{
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return !(*this == d);
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return (*this < d) || (d < *this);
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}
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inline bool operator<(const CGAL_Interval_nt_advanced& d) const
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@ -229,7 +223,7 @@ public:
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inline bool operator>(const CGAL_Interval_nt_advanced& d) const
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{
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return (-inf > d.sup);
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return (d.sup < -inf);
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}
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inline bool operator<=(const CGAL_Interval_nt_advanced& d) const
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@ -253,7 +247,7 @@ public:
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}
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protected:
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// "inf" stores the opposite of the inferior bound.
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// "inf" stores the __opposite__ of the inferior bound.
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// "sup" stores the upper bound of the interval.
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double inf, sup;
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};
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@ -12,8 +12,8 @@
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// release_date :
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//
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// file : include/CGAL/_FPU.h
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// revision : 1.2
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// revision_date : 16 December 1997
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// revision : 1.3
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// revision_date : 6 February 1998
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// author(s) : Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
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//
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// coordinator : INRIA Sophia-Antipolis (<Herve.Bronnimann@sophia.inria.fr>)
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@ -29,6 +29,9 @@
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*
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* I try to make it work with gcc/g++/cc/CC.
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* And I also try to provide the equivalent assembly code for GNU C.
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*
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* TODO: Check the exception flags, according to Christoph's remarks/code.
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* (ie should we erase all, should we save&restore, etc...)
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*/
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#if defined(__osf__)
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@ -249,4 +252,4 @@ static inline void _FPU_set_rounding_to_minus_infinity (void)
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#endif
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}
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#endif
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#endif /* _FPU_H */
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@ -1 +1 @@
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1.2 (16 Dec 97)
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1.3 (16 Dec 97)
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