From bd26c9b30d5f0634d17e4503dd13ba89c32d8d7f Mon Sep 17 00:00:00 2001
From: Danilo Piparo <danilo.piparo@cern.ch>
Date: Wed, 30 May 2018 11:21:01 +0200
Subject: [PATCH] [VecOps] Do not invoke vdt functions if vdt is disabled
---
tutorials/vecops/vo002_VectorCalculations.C | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tutorials/vecops/vo002_VectorCalculations.C b/tutorials/vecops/vo002_VectorCalculations.C
index bba2f943b97..5252f21a9f9 100644
--- a/tutorials/vecops/vo002_VectorCalculations.C
+++ b/tutorials/vecops/vo002_VectorCalculations.C
@@ -59,6 +59,8 @@ void vo002_VectorCalculations()
<< "sin(" << v1 << ") = " << v_sin << std::endl;
// Even an optimised version of the functions is available
+ // provided that VDT is not disabled during the configuration
+#ifdef R__HAS_VDT
auto v_fast_exp = fast_exp(v1);
auto v_fast_log = fast_log(v1);
auto v_fast_sin = fast_sin(v1);
@@ -72,4 +74,5 @@ void vo002_VectorCalculations()
auto v_transf = Map(v1, [](double x) { return x * 2 / 3; });
std::cout << "Applying [](double x){return x * 2 / 3;} to " << v1 << " leads to " << v_transf << "\n";
+#endif
}
--
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