rounding.cpp File Reference
(Revision: 14967)
#include <gecode/float.hh>
#include <gmp.h>
#include <mpfr.h>
Go to the source code of this file.
Namespaces | |
namespace | Gecode |
Gecode toplevel namespace | |
namespace | Gecode::Float |
Floating point numbers. | |
Defines | |
#define | GECODE_GENR_FUNC(name) |
Define mpfr functions with proper rounding. | |
Typedefs | |
typedef int | Gecode::Float::mpfr_func (mpfr_t, const __mpfr_struct *, mp_rnd_t) |
Type signatur of mpfr function. | |
Functions | |
double | Gecode::Float::invoke_mpfr (FloatNum x, mpfr_func f, mp_rnd_t r) |
Routine to call mpfr function with proper rounding. |
Define Documentation
#define GECODE_GENR_FUNC | ( | name | ) |
Value:
FloatNum Rounding::name##_down(FloatNum x) { \ return invoke_mpfr(x, mpfr_##name, GMP_RNDD); \ } \ FloatNum Rounding::name##_up(FloatNum x) { \ return invoke_mpfr(x, mpfr_##name, GMP_RNDU); \ }
Define mpfr functions with proper rounding.
Definition at line 66 of file rounding.cpp.