1 //===-- Implementation of ceil function -----------------------------------===// 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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/math/ceil.h" 10 #include "src/__support/FPUtil/NearestIntegerOperations.h" 11 #include "src/__support/common.h" 12 #include "src/__support/macros/config.h" 13 14 namespace LIBC_NAMESPACE_DECL { 15 16 LLVM_LIBC_FUNCTION(double, ceil, (double x)) { 17 #ifdef __LIBC_USE_BUILTIN_CEIL_FLOOR_RINT_TRUNC 18 return __builtin_ceil(x); 19 #else 20 return fputil::ceil(x); 21 #endif 22 } 23 24 } // namespace LIBC_NAMESPACE_DECL 25