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- Get rid of ::rint() on Windows.

This commit is contained in:
Sylvain Pion 2001-03-01 09:42:21 +00:00
parent 7ca200543f
commit eb44eff8ec
2 changed files with 16 additions and 2 deletions
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3
Packages/Interval_arithmetic/changes.txt
View File

@ -1,5 +1,8 @@
Changes done to the Interval Arithmetic package.
Version 4.73 on 1 March 2001
- Alternative to ::rint() as it doesn't exist on... yes yes, Windblows.
Version 4.72 on 25 February 2001
- Declare force_ieee_double_precision in FPU.h.

15
Packages/Interval_arithmetic/src/MP_Float.C
View File

@ -25,6 +25,17 @@
CGAL_BEGIN_NAMESPACE
inline
int
my_rint(double d)
{
#if defined __BORLANDC__ || defined _MSC_VER
return int(d<0 ? d-0.5 : d+0.5);
#else
return (int) ::rint(d);
#endif
}
// I use macros because otherwise it's not STD compliant...
#define CGAL_MP_FLOAT_TRUNC_MAX (double(base)*(base/2-1)/double(base-1))
#define CGAL_MP_FLOAT_TRUNC_MIN (double(-base)*(base/2)/double(base-1))
@ -55,7 +66,7 @@ MP_Float::MP_Float(double d)
// Then, compute the limbs.
v.resize(limbs_per_double);
for (int i = limbs_per_double - 1; i > 0; i--) {
v[i] = (limb) ::rint(d);
v[i] = my_rint(d);
if (d-v[i] >= double(base/2-1)/(base-1))
v[i]++;
d -= v[i];
@ -67,7 +78,7 @@ MP_Float::MP_Float(double d)
remove_trailing_zeros();
CGAL_expensive_assertion(d == (limb) ::rint(d));
CGAL_expensive_assertion(d == my_rint(d));
CGAL_assertion(v.back() != 0);
CGAL_expensive_assertion(CGAL::to_double(*this) == bak);
}