Jim Mussared 580a2656d1 stm32: Use hardware double sqrt on F7/H7 MCUs.
Identical to cd527bb324ade952d11a134859d38bf5272c165e but for doubles.
This gives a -2.754% improvement on bm_float.py, and -35% improvement on
calling sqrt in a loop.
2019-10-10 17:39:32 +11:00
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