asin_impl_float()

float fl::asin_impl_float

(

float

value

)

Definition at line 544 of file math.cpp.hpp.

                                   {
#if FL_MATH_USE_LIBM
    return ::asinf(value);
#else
    const float kPiHalf = 1.57079632679489661923f;
    if (value >=  1.0f) return  kPiHalf;
    if (value <= -1.0f) return -kPiHalf;
    const float denom = detail::sqrt_newton_<float>(1.0f - value * value);
    if (denom == 0.0f) return value > 0.0f ? kPiHalf : -kPiHalf;
    return detail::atan_full_<float>(value / denom);
#endif
}

References fl::detail::atan_full_(), fl::detail::sqrt_newton_(), and type_rank< T >::value.

Referenced by acos_impl_float(), asin(), and asinf().

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