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/* ===-- powitf2.cpp - Implement __powitf2 ---------------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
*
* This file implements __powitf2 for the compiler_rt library.
*
* ===----------------------------------------------------------------------===
*/
#if _ARCH_PPC
#include "int_lib.h"
/* Returns: a ^ b */
long double
__powitf2(long double a, si_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
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