xref: /aosp_15_r20/external/llvm-libc/src/__support/integer_operations.h (revision 71db0c75aadcf003ffe3238005f61d7618a3fead) 
1 //===-- Utils for abs and friends -------------------------------*- C++ -*-===//
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 #ifndef LLVM_LIBC_SRC___SUPPORT_INTEGER_OPERATIONS_H
10 #define LLVM_LIBC_SRC___SUPPORT_INTEGER_OPERATIONS_H
11 
12 #include "src/__support/CPP/type_traits.h"
13 #include "src/__support/macros/attributes.h" // LIBC_INLINE
14 #include "src/__support/macros/config.h"
15 
16 namespace LIBC_NAMESPACE_DECL {
17 
18 template <typename T>
19 LIBC_INLINE static constexpr cpp::enable_if_t<cpp::is_integral_v<T>, T>
integer_abs(T n)20 integer_abs(T n) {
21   return (n < 0) ? -n : n;
22 }
23 
24 template <typename T>
25 LIBC_INLINE static constexpr cpp::enable_if_t<cpp::is_integral_v<T>, void>
integer_rem_quo(T x,T y,T & quot,T & rem)26 integer_rem_quo(T x, T y, T &quot, T &rem) {
27   quot = x / y;
28   rem = x % y;
29 }
30 
31 } // namespace LIBC_NAMESPACE_DECL
32 
33 #endif // LLVM_LIBC_SRC___SUPPORT_INTEGER_OPERATIONS_H
34