FastLED 3.9.15
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◆ sqrt()

static constexpr FASTLED_FORCE_INLINE u12x4 fl::u12x4::sqrt ( u12x4 x)
inlinestaticconstexpr

Definition at line 175 of file u12x4.h.

175 {
176 return x.mValue == 0 ? u12x4() : from_raw(static_cast<u16>(
177 fl::isqrt32(static_cast<u32>(x.mValue) << FRAC_BITS)));
178 }
constexpr u12x4() FL_NOEXCEPT=default
static constexpr int FRAC_BITS
Definition u12x4.h:21
static constexpr FASTLED_FORCE_INLINE u12x4 from_raw(u16 raw) FL_NOEXCEPT
Definition u12x4.h:41
u16 mValue
Definition u12x4.h:202
FL_OPTIMIZE_FUNCTION constexpr u16 isqrt32(u32 x) FL_NOEXCEPT
Definition isqrt.h:53

References u12x4(), FASTLED_FORCE_INLINE, FL_NOEXCEPT, FRAC_BITS, from_raw(), fl::isqrt32(), and fl::x.

Referenced by rsqrt().

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