From 6e08e20796da5ac5ca101f644c054748bf4b06c4 Mon Sep 17 00:00:00 2001
From: Saurabh Rawat <saurabh.rawat90@gmail.com>
Date: Fri, 29 Jun 2018 11:13:50 +0530
Subject: [PATCH] add tests for scala
---
pom.xml | 21 +++++
.../scala/com/aparapi/SimpleScalaTest.scala | 86 +++++++++++++++++++
2 files changed, 107 insertions(+)
create mode 100644 src/test/scala/com/aparapi/SimpleScalaTest.scala
diff --git a/pom.xml b/pom.xml
index 7ba0cd6f..f07238ae 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,6 +98,11 @@
<artifactId>bcel</artifactId>
<version>6.2</version>
</dependency>
+ <dependency>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ <version>2.12.6</version>
+ </dependency>
</dependencies>
<build>
@@ -107,6 +112,22 @@
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
+ <plugin>
+ <groupId>net.alchim31.maven</groupId>
+ <artifactId>scala-maven-plugin</artifactId>
+ <version>3.4.1</version>
+ <executions>
+ <execution>
+ <goals>
+ <goal>compile</goal>
+ <goal>testCompile</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <scalaVersion>2.12.6</scalaVersion>
+ </configuration>
+ </plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
diff --git a/src/test/scala/com/aparapi/SimpleScalaTest.scala b/src/test/scala/com/aparapi/SimpleScalaTest.scala
new file mode 100644
index 00000000..945598ac
--- /dev/null
+++ b/src/test/scala/com/aparapi/SimpleScalaTest.scala
@@ -0,0 +1,86 @@
+package com.aparapi
+
+import com.aparapi.codegen.Diff
+import com.aparapi.internal.model.ClassModel
+import com.aparapi.internal.writer.KernelWriter
+import org.junit.Test
+
+import scala.util.Random
+
+class SimpleScalaTest {
+ def runKernel(inA: Array[Float], inB: Array[Float]): Array[Float] = {
+ val result = new Array[Float](inA.length)
+ val kernel = new Kernel() {
+ override def run() {
+ val i = getGlobalId()
+ result(i) = ((inA(i) + inB(i)) / (inA(i) / inB(i))) * ((inA(i) - inB(i)) / (inA(
+ i) * inB(i))) -
+ ((inB(i) - inA(i)) * (inB(i) + inA(i))) * ((inB(i) - inA(i)) / (inB(i) * inA(
+ i)))
+ }
+ }
+
+ kernel.execute(inA.length)
+ result
+ }
+
+ def generateCL(inA: Array[Float], inB: Array[Float]): String = {
+ val result = new Array[Float](inA.length)
+ val kernel = new Kernel() {
+ override def run() {
+ val i = getGlobalId()
+ result(i) = ((inA(i) + inB(i)) / (inA(i) / inB(i))) * ((inA(i) - inB(i)) / (inA(
+ i) * inB(i))) -
+ ((inB(i) - inA(i)) * (inB(i) + inA(i))) * ((inB(i) - inA(i)) / (inB(i) * inA(
+ i)))
+ }
+ }
+
+ val classModel = ClassModel.createClassModel(kernel.getClass)
+
+ val entryPoint = classModel.getEntrypoint("run", kernel)
+ KernelWriter.writeToString(entryPoint)
+ }
+
+ @Test def testKernel(): Unit = {
+ val a = Array.fill(50000)(Random.nextFloat())
+ val b = Array.fill(50000)(Random.nextFloat())
+ assert(runKernel(a, b).length == 50000)
+ }
+
+ @Test def testCL(): Unit = {
+ val a = Array.fill(50000)(Random.nextFloat())
+ val b = Array.fill(50000)(Random.nextFloat())
+ val expected =
+ """typedef struct This_s{
+ | __global float *result$2;
+ | __global float *inA$2;
+ | __global float *inB$2;
+ | int passid;
+ |}This;
+ |int get_pass_id(This *this){
+ | return this->passid;
+ |}
+ |__kernel void run(
+ | __global float *result$2,
+ | __global float *inA$2,
+ | __global float *inB$2,
+ | int passid
+ |){
+ | This thisStruct;
+ | This* this=&thisStruct;
+ | this->result$2 = result$2;
+ | this->inA$2 = inA$2;
+ | this->inB$2 = inB$2;
+ | this->passid = passid;
+ | {
+ | {
+ | int i = get_global_id(0);
+ | this->result$2[i] = (((this->inA$2[i] + this->inB$2[i]) / (this->inA$2[i] / this->inB$2[i])) * ((this->inA$2[i] - this->inB$2[i]) / (this->inA$2[i] * this->inB$2[i]))) - (((this->inB$2[i] - this->inA$2[i]) * (this->inB$2[i] + this->inA$2[i])) * ((this->inB$2[i] - this->inA$2[i]) / (this->inB$2[i] * this->inA$2[i])));
+ | }
+ | return;
+ | }
+ |}""".stripMargin
+ assert(Diff.same(expected, generateCL(a, b)))
+ }
+}
--
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