From ac1575056e0f3d7406cc7bcbbdbe71b08feb58ce Mon Sep 17 00:00:00 2001
From: Cedric Nugteren <web@cedricnugteren.nl>
Date: Tue, 24 May 2016 14:06:16 +0200
Subject: Added proper argument handling and displaying for half-precision
 data-types

---
 README.md        |  2 +-
 src/utilities.cc | 15 ++++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 3b4b789e..f1a50ff4 100644
--- a/README.md
+++ b/README.md
@@ -200,7 +200,7 @@ CLBlast is in active development but already supports almost all the BLAS routin
 | IxAMAX   | ✔ | ✔ | ✔ | ✔ | ✔ |
 
 | Level-2  | S | D | C | Z | H |
-| ---------|---|---|---|---| --|
+| ---------|---|---|---|---|---|
 | xGEMV    | ✔ | ✔ | ✔ | ✔ | ✔ |
 | xGBMV    | ✔ | ✔ | ✔ | ✔ | ✔ |
 | xHEMV    | - | - | ✔ | ✔ | - |
diff --git a/src/utilities.cc b/src/utilities.cc
index 477f4a5f..1a7c8e45 100644
--- a/src/utilities.cc
+++ b/src/utilities.cc
@@ -79,7 +79,6 @@ std::string ToString(T value) {
 }
 template std::string ToString<int>(int value);
 template std::string ToString<size_t>(size_t value);
-template std::string ToString<half>(half value);
 template std::string ToString<float>(float value);
 template std::string ToString<double>(double value);
 
@@ -99,6 +98,12 @@ std::string ToString(double2 value) {
   return real.str()+"+"+imag.str()+"i";
 }
 
+// If not possible directly: special case for half-precision
+template <>
+std::string ToString(half value) {
+  return std::to_string(HalfToFloat(value));
+}
+
 // If not possible directly: special cases for CLBlast data-types
 template <>
 std::string ToString(Layout value) {
@@ -157,7 +162,7 @@ T ConvertArgument(const char* value) {
   return static_cast<T>(std::stoi(value));
 }
 template <> half ConvertArgument(const char* value) {
-  return static_cast<half>(std::stod(value));
+  return FloatToHalf(static_cast<float>(std::stod(value)));
 }
 template <> float ConvertArgument(const char* value) {
   return static_cast<float>(std::stod(value));
@@ -285,11 +290,11 @@ void PopulateVector(std::vector<double2> &vector) {
 // Specialized versions of the above for half-precision
 template <>
 void PopulateVector(std::vector<half> &vector) {
-  auto lower_limit = static_cast<float>(kTestDataLowerLimit);
-  auto upper_limit = static_cast<float>(kTestDataUpperLimit);
+  const auto lower_limit = static_cast<float>(kTestDataLowerLimit);
+  const auto upper_limit = static_cast<float>(kTestDataUpperLimit);
   std::mt19937 mt(GetRandomSeed());
   std::uniform_real_distribution<float> dist(lower_limit, upper_limit);
-  for (auto &element: vector) { element = static_cast<half>(dist(mt)); }
+  for (auto &element: vector) { element = FloatToHalf(dist(mt)); }
 }
 
 // =================================================================================================
-- 
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