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_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE native_powr(__CLC_GENTYPE x, __CLC_GENTYPE y) {
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// x^y == 2^{log2 x^y} == 2^{y * log2 x}
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// for x < 0 propagate nan created by log2
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return native_exp2(y * native_log2(x));
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}
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