X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Fhyperbox.h;h=0e4efd81995508de416d37cffd6ad12e3bbf2184;hb=cc51208545c3941fcfdb078ad0c70c7fd607614e;hp=845ca346eaffedf3aad1a4899b54c281c9593ff9;hpb=24f239e418599c13a9d0bdc4942c188ccf0a8437;p=libs%2Fmath.git

diff --git a/source/geometry/hyperbox.h b/source/geometry/hyperbox.h
index 845ca34..0e4efd8 100644
--- a/source/geometry/hyperbox.h
+++ b/source/geometry/hyperbox.h
@@ -3,6 +3,7 @@
 
 #include <algorithm>
 #include <cmath>
+#include <stdexcept>
 #include <msp/linal/vector.h>
 #include "ray.h"
 #include "shape.h"
@@ -47,7 +48,11 @@ inline HyperBox<T, D>::HyperBox()
 template<typename T, unsigned D>
 inline HyperBox<T, D>::HyperBox(const LinAl::Vector<T, D> &d):
 	dimensions(d)
-{ }
+{
+	for(unsigned i=0; i<D; ++i)
+		if(dimensions[i]<=T(0))
+			throw std::invalid_argument("HyperBox::HyperBox");
+}
 
 template<typename T, unsigned D>
 inline HyperBox<T, D> *HyperBox<T, D>::clone() const
@@ -64,6 +69,8 @@ inline T HyperBox<T, D>::get_dimension(unsigned i) const
 template<typename T, unsigned D>
 inline bool HyperBox<T, D>::contains(const LinAl::Vector<T, D> &point) const
 {
+	using std::abs;
+
 	for(unsigned i=0; i<D; ++i)
 		if(abs(point[i])>dimensions[i]/2)
 			return false;