75 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8///9/// \file10/// This file contains the conformance test of the powf function.11///12//===----------------------------------------------------------------------===//13 14#include "mathtest/CommandLineExtras.hpp"15#include "mathtest/IndexedRange.hpp"16#include "mathtest/RandomGenerator.hpp"17#include "mathtest/RandomState.hpp"18#include "mathtest/TestConfig.hpp"19#include "mathtest/TestRunner.hpp"20 21#include "llvm/ADT/StringRef.h"22 23#include <cstdlib>24#include <math.h>25 26static inline float powfRoundedExponent(float Base, float Exponent) {27 return powf(Base, roundf(Exponent));28}29 30namespace mathtest {31 32template <> struct FunctionConfig<powf> {33 static constexpr llvm::StringRef Name = "powf (real exponents)";34 static constexpr llvm::StringRef KernelName = "powfKernel";35 36 // Source: The Khronos Group, The OpenCL C Specification v3.0.19, Sec. 7.4,37 // Table 65, Khronos Registry [July 10, 2025].38 static constexpr uint64_t UlpTolerance = 16;39};40 41template <> struct FunctionConfig<powfRoundedExponent> {42 static constexpr llvm::StringRef Name = "powf (integer exponents)";43 static constexpr llvm::StringRef KernelName = "powfRoundedExponentKernel";44 45 // Source: The Khronos Group, The OpenCL C Specification v3.0.19, Sec. 7.4,46 // Table 65, Khronos Registry [July 10, 2025].47 static constexpr uint64_t UlpTolerance = 16;48};49} // namespace mathtest50 51int main(int argc, const char **argv) {52 llvm::cl::ParseCommandLineOptions(argc, argv,53 "Conformance test of the powf function");54 55 using namespace mathtest;56 57 uint64_t Size = 1ULL << 32;58 IndexedRange<float> RangeX;59 IndexedRange<float> RangeY;60 RandomGenerator<float, float> Generator0(SeedTy{42}, Size, RangeX, RangeY);61 RandomGenerator<float, float> Generator1(SeedTy{51}, Size, RangeX, RangeY);62 63 const auto Configs = cl::getTestConfigs();64 const llvm::StringRef DeviceBinaryDir = DEVICE_BINARY_DIR;65 const bool IsVerbose = cl::IsVerbose;66 67 bool RealExponentsPassed =68 runTests<powf>(Generator0, Configs, DeviceBinaryDir, IsVerbose);69 bool IntegerExponentsPassed = runTests<powfRoundedExponent>(70 Generator1, Configs, DeviceBinaryDir, IsVerbose);71 72 return (RealExponentsPassed && IntegerExponentsPassed) ? EXIT_SUCCESS73 : EXIT_FAILURE;74}75