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https://github.com/KhronosGroup/OpenCL-CTS.git
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Rename test .c sources to .cpp where necessary (#604)
Remove hacks to force language from CMake files. Closes KhronosGroup/OpenCL-CTS#25
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195
test_conformance/commonfns/test_mix.cpp
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195
test_conformance/commonfns/test_mix.cpp
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//
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// Copyright (c) 2017 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "harness/compat.h"
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "procs.h"
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const char *mix_kernel_code =
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"__kernel void test_mix(__global float *srcA, __global float *srcB, __global float *srcC, __global float *dst)\n"
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"{\n"
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" int tid = get_global_id(0);\n"
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"\n"
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" dst[tid] = mix(srcA[tid], srcB[tid], srcC[tid]);\n"
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"}\n";
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#define MAX_ERR 1e-3
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float
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verify_mix(float *inptrA, float *inptrB, float *inptrC, float *outptr, int n)
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{
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float r, delta, max_err = 0.0f;
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int i;
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for (i=0; i<n; i++)
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{
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r = inptrA[i] + ((inptrB[i] - inptrA[i]) * inptrC[i]);
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delta = fabsf(r - outptr[i]) / r;
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if(delta > max_err) max_err = delta;
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}
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return max_err;
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}
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int
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test_mix(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
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{
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cl_mem streams[4];
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cl_float *input_ptr[3], *output_ptr, *p;
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cl_program program;
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cl_kernel kernel;
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void *values[4];
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size_t lengths[1];
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size_t threads[1];
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float max_err;
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int err;
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int i;
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MTdata d;
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input_ptr[0] = (cl_float*)malloc(sizeof(cl_float) * num_elements);
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input_ptr[1] = (cl_float*)malloc(sizeof(cl_float) * num_elements);
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input_ptr[2] = (cl_float*)malloc(sizeof(cl_float) * num_elements);
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output_ptr = (cl_float*)malloc(sizeof(cl_float) * num_elements);
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streams[0] = clCreateBuffer( context, (cl_mem_flags)(CL_MEM_READ_WRITE), sizeof(cl_float) * num_elements, NULL, NULL );
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if (!streams[0])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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streams[1] = clCreateBuffer( context, (cl_mem_flags)(CL_MEM_READ_WRITE), sizeof(cl_float) * num_elements, NULL, NULL );
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if (!streams[1])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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streams[2] = clCreateBuffer( context, (cl_mem_flags)(CL_MEM_READ_WRITE), sizeof(cl_float) * num_elements, NULL, NULL );
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if (!streams[2])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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streams[3] = clCreateBuffer( context, (cl_mem_flags)(CL_MEM_READ_WRITE), sizeof(cl_float) * num_elements, NULL, NULL );
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if (!streams[3])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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p = input_ptr[0];
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d = init_genrand( gRandomSeed );
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for (i=0; i<num_elements; i++)
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{
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p[i] = (float) genrand_real1(d);
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}
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p = input_ptr[1];
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for (i=0; i<num_elements; i++)
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{
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p[i] = (float) genrand_real1(d);
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}
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p = input_ptr[2];
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for (i=0; i<num_elements; i++)
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{
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p[i] = (float) genrand_real1(d);
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}
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free_mtdata(d); d = NULL;
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err = clEnqueueWriteBuffer( queue, streams[0], true, 0, sizeof(cl_float)*num_elements, (void *)input_ptr[0], 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clWriteArray failed\n");
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return -1;
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}
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err = clEnqueueWriteBuffer( queue, streams[1], true, 0, sizeof(cl_float)*num_elements, (void *)input_ptr[1], 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clWriteArray failed\n");
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return -1;
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}
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err = clEnqueueWriteBuffer( queue, streams[2], true, 0, sizeof(cl_float)*num_elements, (void *)input_ptr[2], 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clWriteArray failed\n");
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return -1;
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}
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lengths[0] = strlen(mix_kernel_code);
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err = create_single_kernel_helper( context, &program, &kernel, 1, &mix_kernel_code, "test_mix" );
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test_error( err, "Unable to create test kernel" );
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values[0] = streams[0];
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values[1] = streams[1];
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values[2] = streams[2];
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values[3] = streams[3];
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err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0] );
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err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1] );
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err |= clSetKernelArg(kernel, 2, sizeof streams[2], &streams[2] );
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err |= clSetKernelArg(kernel, 3, sizeof streams[3], &streams[3] );
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if (err != CL_SUCCESS)
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{
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log_error("clSetKernelArgs failed\n");
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return -1;
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}
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threads[0] = (size_t)num_elements;
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err = clEnqueueNDRangeKernel( queue, kernel, 1, NULL, threads, NULL, 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clEnqueueNDRangeKernel failed\n");
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return -1;
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}
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err = clEnqueueReadBuffer( queue, streams[3], true, 0, sizeof(cl_float)*num_elements, (void *)output_ptr, 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clEnqueueReadBuffer failed\n");
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return -1;
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}
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max_err = verify_mix(input_ptr[0], input_ptr[1], input_ptr[2], output_ptr, num_elements);
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if (max_err > MAX_ERR)
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{
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log_error("MIX test failed %g max err\n", max_err);
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err = -1;
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}
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else
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{
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log_info("MIX test passed %g max err\n", max_err);
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err = 0;
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}
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clReleaseMemObject(streams[0]);
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clReleaseMemObject(streams[1]);
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clReleaseMemObject(streams[2]);
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clReleaseMemObject(streams[3]);
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clReleaseKernel(kernel);
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clReleaseProgram(program);
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free(input_ptr[0]);
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free(input_ptr[1]);
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free(input_ptr[2]);
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free(output_ptr);
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return err;
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}
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