From 6f5dc695fa41822aef84480ef2d6dcda974e128b Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Thu, 5 Oct 2017 18:09:46 +0100
Subject: [PATCH] Add templated versions of CeilDiv and Ceil maths functions

---
 src/core/math_func.hpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/core/math_func.hpp b/src/core/math_func.hpp
index df9142462b..2149d1d269 100644
--- a/src/core/math_func.hpp
+++ b/src/core/math_func.hpp
@@ -318,6 +318,18 @@ static inline uint CeilDiv(uint a, uint b)
 	return (a + b - 1) / b;
 }
 
+/**
+ * Computes ceil(a / b) for non-negative a and b (templated).
+ * @param a Numerator
+ * @param b Denominator
+ * @return Quotient, rounded up
+ */
+template <typename T>
+static inline T CeilDivT(T a, T b)
+{
+	return (a + b - 1) / b;
+}
+
 /**
  * Computes ceil(a / b) * b for non-negative a and b.
  * @param a Numerator
@@ -329,6 +341,18 @@ static inline uint Ceil(uint a, uint b)
 	return CeilDiv(a, b) * b;
 }
 
+/**
+ * Computes ceil(a / b) * b for non-negative a and b (templated).
+ * @param a Numerator
+ * @param b Denominator
+ * @return a rounded up to the nearest multiple of b.
+ */
+template <typename T>
+static inline T CeilT(T a, T b)
+{
+	return CeilDivT<T>(a, b) * b;
+}
+
 /**
  * Computes round(a / b) for signed a and unsigned b.
  * @param a Numerator