From 73c7534429f4998ef45cd34d1ec4ffce2805912a Mon Sep 17 00:00:00 2001
From: Stephane Del Pino <stephane.delpino44@gmail.com>
Date: Fri, 29 Jun 2018 16:09:27 +0200
Subject: [PATCH] Added cross product for TinyVector<3,T>
- just remind that cross product is only defined for dimension 3 vectors
---
src/algebra/TinyVector.hpp | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/algebra/TinyVector.hpp b/src/algebra/TinyVector.hpp
index 88f200720..35cdb5d35 100644
--- a/src/algebra/TinyVector.hpp
+++ b/src/algebra/TinyVector.hpp
@@ -10,7 +10,7 @@
template <size_t N, typename T=double>
class TinyVector
{
-private:
+ private:
T m_values[N];
static_assert((N>0),"TinyVector size must be strictly positive");
@@ -26,7 +26,7 @@ private:
this->_unpackVariadicInput(args...);
}
-public:
+ public:
KOKKOS_INLINE_FUNCTION
TinyVector operator-() const
{
@@ -247,4 +247,15 @@ T l2Norm(const TinyVector<N,T>& x)
return std::sqrt((x,x));
}
+// Cross product is only defined for K^3 vectors
+template <typename T>
+KOKKOS_INLINE_FUNCTION
+TinyVector<3,T> crossProduct(const TinyVector<3,T>& u, const TinyVector<3,T>& v)
+{
+ TinyVector<3,T> cross_product(u[1]*v[2]-u[2]*v[1],
+ u[2]*v[0]-u[0]*v[2],
+ u[0]*v[1]-u[1]*v[0]);
+ return std::move(cross_product);
+}
+
#endif // TINYVECTOR_HPP
--
GitLab