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-rw-r--r--Build/source/utils/asymptote/triple.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/triple.h b/Build/source/utils/asymptote/triple.h
index f2dfb61af69..5cc4c2e96c3 100644
--- a/Build/source/utils/asymptote/triple.h
+++ b/Build/source/utils/asymptote/triple.h
@@ -19,6 +19,10 @@
#include "angle.h"
#include "pair.h"
+#ifdef HAVE_RPC_RPC_H
+#include "xstream.h"
+#endif
+
namespace camp {
typedef double Triple[3];
@@ -327,6 +331,15 @@ public:
return out;
}
+
+#ifdef HAVE_RPC_RPC_H
+ friend xdr::oxstream& operator << (xdr::oxstream& out, triple const& v)
+ {
+ out << v.x << v.y << v.z;
+ return out;
+ }
+#endif
+
};
triple expi(double theta, double phi);