FastLED 3.9.15
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◆ sqrt()

static constexpr FASTLED_FORCE_INLINE u4x12 fl::u4x12::sqrt ( u4x12 x)
inlinestaticconstexpr

Definition at line 162 of file u4x12.h.

162 {
163 return x.mValue == 0 ? u4x12() : from_raw(static_cast<u16>(
164 fl::isqrt32(static_cast<u32>(x.mValue) << FRAC_BITS)));
165 }
u16 mValue
Definition u4x12.h:189
static constexpr int FRAC_BITS
Definition u4x12.h:21
static constexpr FASTLED_FORCE_INLINE u4x12 from_raw(u16 raw) FL_NOEXCEPT
Definition u4x12.h:52
constexpr u4x12() FL_NOEXCEPT=default
FL_OPTIMIZE_FUNCTION constexpr u16 isqrt32(u32 x) FL_NOEXCEPT
Definition isqrt.h:53

References u4x12(), FASTLED_FORCE_INLINE, FL_NOEXCEPT, FRAC_BITS, from_raw(), fl::isqrt32(), and fl::x.

Referenced by rsqrt().

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