From 02b2f3db3b3a03181b875b4ce55ba77e484f79d0 Mon Sep 17 00:00:00 2001
From: brenzosa <brenzosa@gmail.com>
Date: Sun, 16 Jul 2017 10:49:53 +0800
Subject: [PATCH] Added Kernel.fma(float, float, float)
Also added Kernel.fma(double, double, double)
---
src/main/java/com/aparapi/Kernel.java | 34 +++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/src/main/java/com/aparapi/Kernel.java b/src/main/java/com/aparapi/Kernel.java
index a4a49e43..f697ff4a 100644
--- a/src/main/java/com/aparapi/Kernel.java
+++ b/src/main/java/com/aparapi/Kernel.java
@@ -1999,6 +1999,40 @@ public abstract class Kernel implements Cloneable {
return a * b + c;
}
+ /**
+ * Delegates to either {code}a*b+c{code} (Java) or <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(float, float, float)</a></code> (OpenCL).
+ *
+ * User should note the differences in precision between Java and OpenCL's implementation of arithmetic functions to determine whether the difference in precision is acceptable.
+ *
+ * @param a value to delegate to first argument of <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(float, float, float)</a></code>
+ * @param b value to delegate to second argument of <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(float, float, float)</a></code>
+ * @param c value to delegate to third argument of <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(float, float, float)</a></code>
+ * @return a * b + c / <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(float, float, float)</a></code>
+ *
+ * @see <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(float, float, float)</a></code>
+ */
+ @OpenCLMapping(mapTo = "fma")
+ protected float fma(final float a, final float b, final float c) {
+ return a * b + c;
+ }
+
+ /**
+ * Delegates to either {code}a*b+c{code} (Java) or <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(double, double, double)</a></code> (OpenCL).
+ *
+ * User should note the differences in precision between Java and OpenCL's implementation of arithmetic functions to determine whether the difference in precision is acceptable.
+ *
+ * @param a value to delegate to first argument of <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(double, double, double)</a></code>
+ * @param b value to delegate to second argument of <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(double, double, double)</a></code>
+ * @param c value to delegate to third argument of <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(double, double, double)</a></code>
+ * @return a * b + c / <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(double, double, double)</a></code>
+ *
+ * @see <code><a href="http://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/fma.html">fma(double, double, double)</a></code>
+ */
+ @OpenCLMapping(mapTo = "fma")
+ protected double fma(final double a, final double b, final double c) {
+ return a * b + c;
+ }
+
@OpenCLMapping(mapTo = "nextafter")
protected final double nextAfter(final double start, final double direction) {
return Math.nextAfter(start, direction);
--
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