FastLED 3.9.15
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◆ acos() [2/2]

static FASTLED_FORCE_INLINE s4x12 fl::s4x12::acos ( s4x12 x)
inlinestatic

Definition at line 201 of file s4x12.h.

201 {
202 constexpr s4x12 one(1.0f);
203 return atan2(sqrt(one - x * x), x);
204 }
constexpr s4x12() FL_NOEXCEPT=default
constexpr FASTLED_FORCE_INLINE s4x12 sqrt() const FL_NOEXCEPT
Definition s4x12.h:274
static FASTLED_FORCE_INLINE s4x12 atan2(s4x12 y, s4x12 x) FL_NOEXCEPT
Definition s4x12.h:177

References s4x12(), atan2(), FASTLED_FORCE_INLINE, FL_NOEXCEPT, sqrt(), and fl::x.

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