Basic math functions¶
abs
function¶
template <typename T1, KFR_ENABLE_IF(is_numeric<T1>)>
T1 abs(const T1 &x)
Returns the absolute value of x.
Source code
template <typename T1, KFR_ENABLE_IF(is_numeric<T1>)>
KFR_INTRINSIC T1 abs(const T1& x)
{
return intrinsics::abs(x);
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/abs.hpp#L39
absmax
function¶
template <typename T1, typename T2,
KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
Tout absmax(const T1 &x, const T2 &y)
Returns the greater in magnitude of two values.
Source code
template <typename T1, typename T2, KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
KFR_INTRINSIC Tout absmax(const T1& x, const T2& y)
{
return intrinsics::absmax(x, y);
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/min_max.hpp#L70
absmin
function¶
template <typename T1, typename T2,
KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
Tout absmin(const T1 &x, const T2 &y)
Returns the smaller in magnitude of two values.
Source code
template <typename T1, typename T2, KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
KFR_INTRINSIC Tout absmin(const T1& x, const T2& y)
{
return intrinsics::absmin(x, y);
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/min_max.hpp#L60
clamp
function¶
template <typename T1, typename T2, typename T3,
KFR_ENABLE_IF(is_numeric_args<T1, T2, T3>),
typename Tout = std::common_type_t<T1, T2, T3>>
Tout clamp(const T1 &x, const T2 &lo, const T3 &hi)
Returns the first argument clamped to a range [lo, hi]
Source code
template <typename T1, typename T2, typename T3, KFR_ENABLE_IF(is_numeric_args<T1, T2, T3>),
typename Tout = std::common_type_t<T1, T2, T3>>
KFR_INTRINSIC Tout clamp(const T1& x, const T2& lo, const T3& hi)
{
return intrinsics::clamp(static_cast<Tout>(x), static_cast<Tout>(lo), static_cast<Tout>(hi));
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/clamp.hpp#L38
template <typename T1, typename T2,
KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
Tout clamp(const T1 &x, const T2 &hi)
Returns the first argument clamped to a range [0, hi]
Source code
template <typename T1, typename T2, KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
KFR_INTRINSIC Tout clamp(const T1& x, const T2& hi)
{
return intrinsics::clamp(static_cast<Tout>(x), static_cast<Tout>(hi));
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/clamp.hpp#L46
max
function¶
template <typename T1, typename T2,
KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
Tout max(const T1 &x, const T2 &y)
Returns the greater of two values.
Source code
template <typename T1, typename T2, KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
KFR_INTRINSIC Tout max(const T1& x, const T2& y)
{
return intrinsics::max(x, y);
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/min_max.hpp#L50
min
function¶
template <typename T1, typename T2,
KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
Tout min(const T1 &x, const T2 &y)
Returns the smaller of two values.
Source code
template <typename T1, typename T2, KFR_ENABLE_IF(is_numeric_args<T1, T2>),
typename Tout = std::common_type_t<T1, T2>>
KFR_INTRINSIC Tout min(const T1& x, const T2& y)
{
return intrinsics::min(x, y);
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/min_max.hpp#L40
select
function¶
template <
typename T1, size_t N, typename T2, typename T3,
KFR_ENABLE_IF(is_numeric_args<T1, T2, T3>),
typename Tout = subtype<std::common_type_t<T2, T3>>>
vec<Tout, N> select(const mask<T1, N> &m, const T2 &x,
const T3 &y)
Returns x if m is true, otherwise return y. Order of the arguments is same as in ternary operator.
return m ? x : y
Source code
template <typename T1, size_t N, typename T2, typename T3, KFR_ENABLE_IF(is_numeric_args<T1, T2, T3>),
typename Tout = subtype<std::common_type_t<T2, T3>>>
KFR_INTRINSIC vec<Tout, N> select(const mask<T1, N>& m, const T2& x, const T3& y)
{
return intrinsics::select(bitcast<Tout>(cast<itype<Tout>>(bitcast<itype<T1>>(m.asvec()))).asmask(),
broadcastto<Tout>(x), broadcastto<Tout>(y));
}
https://github.com/kfrlib/kfr/blob//include/kfr/simd/select.hpp#L43
sqrt
function¶
template <typename T1, KFR_ENABLE_IF(is_numeric<T1>)>
flt_type<T1> sqrt(const T1 &x)
Returns the positive square root of the x. \(\sqrt{x}\)
Source code
template <typename T1, KFR_ENABLE_IF(is_numeric<T1>)>
KFR_INTRINSIC flt_type<T1> sqrt(const T1& x)
{
return intrinsics::sqrt(x);
}
https://github.com/kfrlib/kfr/blob//include/kfr/math/sqrt.hpp#L39
Auto-generated from sources, Revision , https://github.com/kfrlib/kfr/blob//include/kfr/