From db199abf207daad52b34fac600f3388472a9966c Mon Sep 17 00:00:00 2001 From: Homer Hsing Date: Fri, 21 Jun 2013 12:26:32 +0800 Subject: test cases for 64-bit float Signed-off-by: Homer Hsing Reviewed-by: Zhigang Gong Tested-by: Yang Rong --- utests/compiler_double.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 utests/compiler_double.cpp (limited to 'utests/compiler_double.cpp') diff --git a/utests/compiler_double.cpp b/utests/compiler_double.cpp new file mode 100644 index 00000000..7c54ddfe --- /dev/null +++ b/utests/compiler_double.cpp @@ -0,0 +1,46 @@ +#include +#include "utest_helper.hpp" + +static void cpu(int global_id, double *src, double *dst) { + double f = src[global_id]; + double d = 1.234567890123456789; + dst[global_id] = global_id < 14 ? (d * (f + d)) : 14; +} + +void compiler_double(void) +{ + const size_t n = 16; + double cpu_dst[n], cpu_src[n]; + + // Setup kernel and buffers + OCL_CREATE_KERNEL("compiler_double"); + OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(double), NULL); + OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(double), NULL); + OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]); + OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]); + globals[0] = n; + locals[0] = 16; + + // Run random tests + for (uint32_t pass = 0; pass < 1; ++pass) { + OCL_MAP_BUFFER(0); + for (int32_t i = 0; i < (int32_t) n; ++i) + cpu_src[i] = ((double*)buf_data[0])[i] = .1f * (rand() & 15) - .75f; + OCL_UNMAP_BUFFER(0); + + // Run the kernel on GPU + OCL_NDRANGE(1); + + // Run on CPU + for (int32_t i = 0; i < (int32_t) n; ++i) + cpu(i, cpu_src, cpu_dst); + + // Compare + OCL_MAP_BUFFER(1); + for (int32_t i = 0; i < (int32_t) n; ++i) + OCL_ASSERT(fabs(((double*)buf_data[1])[i] - cpu_dst[i]) < 1e-4); + OCL_UNMAP_BUFFER(1); + } +} + +MAKE_UTEST_FROM_FUNCTION(compiler_double); -- cgit v1.2.1