From 1db364d9471c8574eb41aed6e6903284687dc2ea Mon Sep 17 00:00:00 2001
From: Yi Sun <yi.sun@intel.com>
Date: Mon, 12 Aug 2013 10:35:39 +0800
Subject: [PATCH] utest: Add test case for function acos/acosh/asin/asinh.

Case contains illegal, boundary and legal values.

Signed-off-by: Yi Sun <yi.sun@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
---
 kernels/builtin_acos_asin.cl | 10 +++++
 utests/CMakeLists.txt        |  1 +
 utests/builtin_acos_asin.cpp | 87 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 98 insertions(+)
 create mode 100644 kernels/builtin_acos_asin.cl
 create mode 100644 utests/builtin_acos_asin.cpp

diff --git a/kernels/builtin_acos_asin.cl b/kernels/builtin_acos_asin.cl
new file mode 100644
index 0000000..bba2d21
--- /dev/null
+++ b/kernels/builtin_acos_asin.cl
@@ -0,0 +1,10 @@
+__kernel void builtin_acos_asin(__global float *dst, __global float *src, __global int *max_func) {
+  int i = get_global_id(0);
+  float x = src[i];
+
+  dst[i * (*max_func) + 0] = acos(x);
+  dst[i * (*max_func) + 1] = acosh(x);
+  dst[i * (*max_func) + 2] = asin(x);
+  dst[i * (*max_func) + 3] = asinh(x);
+  dst[i * (*max_func) + 4] = x;
+};
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index b205c67..c30e10e 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -115,6 +115,7 @@ set (utests_sources
   builtin_global_id.cpp
   builtin_num_groups.cpp
   builtin_local_id.cpp
+  builtin_acos_asin.cpp
   runtime_createcontext.cpp
   runtime_null_kernel_arg.cpp
   compiler_double.cpp
diff --git a/utests/builtin_acos_asin.cpp b/utests/builtin_acos_asin.cpp
new file mode 100644
index 0000000..0187226
--- /dev/null
+++ b/utests/builtin_acos_asin.cpp
@@ -0,0 +1,87 @@
+#include "utest_helper.hpp"
+#include <cmath>
+#include <algorithm>
+
+#define udebug 0
+#define printf_c(...) \
+{\
+  printf("\033[1m\033[40;31m");\
+  printf( __VA_ARGS__ );\
+  printf("\033[0m");\
+}
+
+const float input_data[] = {-30, -1, -0.92, -0.5, -0.09, 0, 0.09, 0.5, 0.92, 1, 30};
+const int count_input = sizeof(input_data) / sizeof(input_data[0]);
+const int max_function = 5;
+
+static void cpu_compiler_math(float *dst, const float *src)
+{
+  const float x = *src;
+
+  dst[0] = acos(x);
+  dst[1] = acosh(x);
+  dst[2] = asin(x);
+  dst[3] = asinh(x);
+  dst[4] = x;
+}
+
+static void builtin_acos_asin(void)
+{
+  // Setup kernel and buffers
+  int k, i, index_cur;
+  float gpu_data[max_function * count_input] = {0}, cpu_data[max_function * count_input] = {0};
+
+  OCL_CREATE_KERNEL("builtin_acos_asin");
+
+  OCL_CREATE_BUFFER(buf[0], CL_MEM_READ_WRITE, count_input * max_function * sizeof(float), NULL);
+  OCL_CREATE_BUFFER(buf[1], CL_MEM_READ_WRITE, count_input * sizeof(float), NULL);
+  OCL_CREATE_BUFFER(buf[2], CL_MEM_READ_WRITE, sizeof(int), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  OCL_SET_ARG(2, sizeof(cl_mem), &buf[2]);
+
+  globals[0] = count_input;
+  locals[0] = 1;
+
+  clEnqueueWriteBuffer( queue, buf[1], CL_TRUE, 0, count_input * sizeof(float), input_data, 0, NULL, NULL);
+  clEnqueueWriteBuffer( queue, buf[2], CL_TRUE, 0, sizeof(int), &max_function , 0, NULL, NULL);
+
+   // Run the kernel
+  OCL_NDRANGE( 1 );
+
+  clEnqueueReadBuffer( queue, buf[0], CL_TRUE, 0, sizeof(float) * max_function * count_input, gpu_data, 0, NULL, NULL);
+
+  for (k = 0; (uint)k < count_input; k++)
+  {
+    cpu_compiler_math( cpu_data + k * max_function, input_data + k);
+
+    for (i = 0; i < max_function; i++)
+    {
+      index_cur = k * max_function + i;
+#if udebug
+      if (isinf(cpu_data[index_cur]) && !isinf(gpu_data[index_cur])){
+        printf_c("%d/%d: %f -> gpu:%f  cpu:%f\n", k, i, input_data[k], gpu_data[index_cur], cpu_data[index_cur]);
+      }
+      else if (isnan(cpu_data[index_cur]) && !isnan(gpu_data[index_cur])){
+        printf_c("%d/%d: %f -> gpu:%f  cpu:%f\n", k, i, input_data[k], gpu_data[index_cur], cpu_data[index_cur]);
+      }
+      else if(fabs(gpu_data[index_cur] - cpu_data[index_cur]) > 1e-3f){
+        printf_c("%d/%d: %f -> gpu:%f  cpu:%f\n", k, i, input_data[k], gpu_data[index_cur], cpu_data[index_cur]);
+      }
+      else
+        printf("%d/%d: %f -> gpu:%f  cpu:%f\n", k, i, input_data[k], gpu_data[index_cur], cpu_data[index_cur]);
+#else
+     if (isinf(cpu_data[index_cur]))
+       OCL_ASSERT(isinf(gpu_data[index_cur]));
+     else if (isnan(cpu_data[index_cur]))
+       OCL_ASSERT(isnan(gpu_data[index_cur]));
+     else
+     {
+       OCL_ASSERT(fabs(gpu_data[index_cur] - cpu_data[index_cur]) < 1e-3f);
+     }
+#endif
+    }
+  }
+}
+
+MAKE_UTEST_FROM_FUNCTION(builtin_acos_asin)
-- 
2.7.4