From 133ebfc83414c4aa0e8fce9f6f7b9d43e6774380 Mon Sep 17 00:00:00 2001
From: Cedric Nugteren <web@cedricnugteren.nl>
Date: Sun, 19 Feb 2017 17:43:26 +0100
Subject: Added data-preparation function for the TRSV tests and special
 nan/inf checks in the error checking to make the tests pass

---
 src/utilities/utilities.cpp | 9 +++++++++
 src/utilities/utilities.hpp | 4 ++++
 2 files changed, 13 insertions(+)

(limited to 'src')

diff --git a/src/utilities/utilities.cpp b/src/utilities/utilities.cpp
index fd198c0d..b2ed2f0c 100644
--- a/src/utilities/utilities.cpp
+++ b/src/utilities/utilities.cpp
@@ -18,6 +18,7 @@
 #include <chrono>
 #include <random>
 #include <iomanip>
+#include <cmath>
 
 namespace clblast {
 // =================================================================================================
@@ -118,6 +119,14 @@ double2 ConstantNegOne() {
   return {-1.0, 0.0};
 }
 
+// Returns the absolute value of a scalar
+template <typename T> T AbsoluteValue(const T value) { return std::fabs(value); }
+template float AbsoluteValue<float>(const float);
+template double AbsoluteValue<double>(const double);
+template <> half AbsoluteValue(const half value) { return FloatToHalf(std::fabs(HalfToFloat(value))); }
+template <> float2 AbsoluteValue(const float2 value) { return std::abs(value); }
+template <> double2 AbsoluteValue(const double2 value) { return std::abs(value); }
+
 // =================================================================================================
 
 // Implements the string conversion using std::to_string if possible
diff --git a/src/utilities/utilities.hpp b/src/utilities/utilities.hpp
index 757f1b5e..2c13658b 100644
--- a/src/utilities/utilities.hpp
+++ b/src/utilities/utilities.hpp
@@ -114,6 +114,10 @@ T ConstantOne();
 template <typename T>
 T ConstantNegOne();
 
+// Returns the absolute value of a scalar
+template <typename T>
+T AbsoluteValue(const T value);
+
 // =================================================================================================
 
 // Structure containing all possible arguments for test clients, including their default values
-- 
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