//===-- powixf2.cpp - Implement __powixf2 ---------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file implements __powixf2 for the compiler_rt library. // //===----------------------------------------------------------------------===// #if !_ARCH_PPC #include "int_lib.h" // Returns: a ^ b COMPILER_RT_ABI long double __powixf2(long double a, int b) { const int recip = b < 0; long double r = 1; while (1) { if (b & 1) r *= a; b /= 2; if (b == 0) break; a *= a; } return recip ? 1 / r : r; } #endif |