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Keith Packard via Newlib 7c84adcc2e newlib/libm/math: Make pow/powf return qnan for snan arg
The IEEE spec for pow only has special case for x**0 and 1**y when x/y
are quiet NaN. For signaling NaN, the general case applies and these functions
should signal the invalid exception and return a quiet NaN.

Signed-off-by: Keith Packard <keithp@keithp.com>
2020-10-14 10:54:16 -04:00
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