From 1c29ffc7fe02de68cf2e82709a3bc3e210cb0ba4 Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Thu, 1 Aug 2019 15:03:00 +0100
Subject: COMPMID-2336: Fix build issues.

Change-Id: I0932dc9ca4649f0825950ed9d6d249212bc6971e
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1671
Tested-by: Arm Jenkins <bsgcomp@arm.com>
---
 support/ToolchainSupport.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'support')

diff --git a/support/ToolchainSupport.h b/support/ToolchainSupport.h
index 020a4a112b..03bbff9aba 100644
--- a/support/ToolchainSupport.h
+++ b/support/ToolchainSupport.h
@@ -195,6 +195,23 @@ inline T copysign(T x, T y)
     return ::copysign(x, y);
 }
 
+/** Computes (x*y) + z as if to infinite precision and rounded only once to fit the result type.
+ *
+ * @note This function implements the same behaviour as std::fma except that it doesn't
+ *       support Integral type. The latter is not in the namespace std in some Android toolchains.
+ *
+ * @param[in] x floating-point value
+ * @param[in] y floating-point value
+ * @param[in] z floating-point value
+ *
+ * @return Result floating point value equal to (x*y) + z.c
+ */
+template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value>::type>
+inline T fma(T x, T y, T z)
+{
+    return ::fma(x, y, z);
+}
+
 /** Loads the data from the given location, converts them to character string equivalents
  *  and writes the result to a character string buffer.
  *
@@ -304,6 +321,23 @@ inline T copysign(T x, T y)
     return std::copysign(x, y);
 }
 
+/** Computes (x*y) + z as if to infinite precision and rounded only once to fit the result type.
+ *
+ * @note This function implements the same behaviour as std::fma except that it doesn't
+ *       support Integral type. The latter is not in the namespace std in some Android toolchains.
+ *
+ * @param[in] x floating-point value
+ * @param[in] y floating-point value
+ * @param[in] z floating-point value
+ *
+ * @return Result floating point value equal to (x*y) + z.
+ */
+template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value>::type>
+inline T fma(T x, T y, T z)
+{
+    return std::fma(x, y, z);
+}
+
 /** Loads the data from the given location, converts them to character string equivalents
  *  and writes the result to a character string buffer.
  *
-- 
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