From c59d493684982cb8a0e1995f28bbe56d9cff93c6 Mon Sep 17 00:00:00 2001 From: Homer Hsing Date: Mon, 26 Aug 2013 10:20:33 +0800 Subject: add built-in function "tgamma" also include a test case Signed-off-by: Homer Hsing Reviewed-by: Zhigang Gong --- utests/builtin_tgamma.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 utests/builtin_tgamma.cpp (limited to 'utests/builtin_tgamma.cpp') diff --git a/utests/builtin_tgamma.cpp b/utests/builtin_tgamma.cpp new file mode 100644 index 00000000..4c824d03 --- /dev/null +++ b/utests/builtin_tgamma.cpp @@ -0,0 +1,42 @@ +#include +#include "utest_helper.hpp" + +void builtin_tgamma(void) +{ + const int n = 1024; + float src[n]; + + // Setup kernel and buffers + OCL_CREATE_KERNEL("builtin_tgamma"); + OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL); + OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(float), 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; + + for (int j = 0; j < 1024; j ++) { + OCL_MAP_BUFFER(0); + for (int i = 0; i < n; ++i) { + src[i] = ((float*)buf_data[0])[i] = (j*n+i+1) * 0.001f; + } + OCL_UNMAP_BUFFER(0); + + OCL_NDRANGE(1); + + OCL_MAP_BUFFER(1); + float *dst = (float*)buf_data[1]; + for (int i = 0; i < n; ++i) { + float cpu = gammaf(src[i]); + if (isinf(cpu)) { + OCL_ASSERT(isinf(dst[i])); + } else if (fabsf(cpu - dst[i]) >= 1e-3) { + printf("%f %f %f\n", src[i], cpu, dst[i]); + OCL_ASSERT(0); + } + } + OCL_UNMAP_BUFFER(1); + } +} + +MAKE_UTEST_FROM_FUNCTION(builtin_tgamma); -- cgit v1.2.1