FastLED 3.10.8
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◆ sqrt()

static constexpr FASTLED_FORCE_INLINE u16x16 fl::u16x16::sqrt ( u16x16 x)
inlinestaticconstexpr

Definition at line 184 of file u16x16.h.

184 {
185 return x.mValue == 0 ? u16x16() : from_raw(static_cast<u32>(
186 fl::isqrt64(static_cast<u64>(x.mValue) << FRAC_BITS)));
187 }
u32 mValue
Definition u16x16.h:210
static constexpr FASTLED_FORCE_INLINE u16x16 from_raw(u32 raw) FL_NO_EXCEPT
Definition u16x16.h:54
constexpr u16x16() FL_NO_EXCEPT=default
static constexpr int FRAC_BITS
Definition u16x16.h:22
FL_OPTIMIZE_FUNCTION constexpr u32 isqrt64(u64 x) FL_NO_EXCEPT
Definition isqrt.h:58
fl::u64 u64
Definition stdint.h:220

References u16x16(), FASTLED_FORCE_INLINE, fl::FL_NO_EXCEPT, FRAC_BITS, from_raw(), fl::isqrt64(), and fl::x.

Referenced by rsqrt().

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