FastLED 3.9.15
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◆ sqrt() [2/2]

static constexpr FASTLED_FORCE_INLINE s16x16 fl::s16x16::sqrt ( s16x16 x)
inlinestaticconstexpr

Definition at line 224 of file s16x16.h.

224 {
225 return x.mValue <= 0 ? s16x16() : from_raw(static_cast<i32>(
226 fl::isqrt64(static_cast<u64>(x.mValue) << FRAC_BITS)));
227 }
constexpr s16x16() FL_NOEXCEPT=default
static constexpr int FRAC_BITS
Definition s16x16.h:22
static constexpr FASTLED_FORCE_INLINE s16x16 from_raw(i32 raw) FL_NOEXCEPT
Definition s16x16.h:54
i32 mValue
Definition s16x16.h:320
fl::u64 u64
Definition s16x16x4.h:221
FL_OPTIMIZE_FUNCTION constexpr u32 isqrt64(u64 x) FL_NOEXCEPT
Definition isqrt.h:58

References s16x16(), FASTLED_FORCE_INLINE, FL_NOEXCEPT, FRAC_BITS, from_raw(), fl::isqrt64(), and fl::x.

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