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authorLaG1924 <12997935+LaG1924@users.noreply.github.com>2018-08-21 17:40:38 +0200
committerLaG1924 <12997935+LaG1924@users.noreply.github.com>2018-08-21 17:40:38 +0200
commit2877f4eda3d1b0c7431039e3142ecf1a282a34b1 (patch)
tree58ad35e27ab2a3b8955f5adbf28f296670681ffc /external/include/glm/gtx/simd_vec4.inl
parentSmooth sun movement (diff)
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Diffstat (limited to 'external/include/glm/gtx/simd_vec4.inl')
-rw-r--r--external/include/glm/gtx/simd_vec4.inl721
1 files changed, 0 insertions, 721 deletions
diff --git a/external/include/glm/gtx/simd_vec4.inl b/external/include/glm/gtx/simd_vec4.inl
deleted file mode 100644
index efc87c6..0000000
--- a/external/include/glm/gtx/simd_vec4.inl
+++ /dev/null
@@ -1,721 +0,0 @@
-/// @ref gtx_simd_vec4
-/// @file glm/gtx/simd_vec4.inl
-
-namespace glm{
-namespace detail{
-
-//////////////////////////////////////
-// Implicit basic constructors
-
-#if !GLM_HAS_DEFAULTED_FUNCTIONS || !defined(GLM_FORCE_NO_CTOR_INIT)
- GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD()
-# ifdef GLM_FORCE_NO_CTOR_INIT
- : Data(_mm_set_ps(0.0f, 0.0f, 0.0f, 0.0f))
-# endif
- {}
-#endif//!GLM_HAS_DEFAULTED_FUNCTIONS
-
-#if !GLM_HAS_DEFAULTED_FUNCTIONS
- GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(fvec4SIMD const & v) :
- Data(v.Data)
- {}
-#endif//!GLM_HAS_DEFAULTED_FUNCTIONS
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(__m128 const & Data) :
- Data(Data)
-{}
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(vec4 const & v) :
- Data(_mm_set_ps(v.w, v.z, v.y, v.x))
-{}
-
-//////////////////////////////////////
-// Explicit basic constructors
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s) :
- Data(_mm_set1_ps(s))
-{}
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & x, float const & y, float const & z, float const & w) :
-// Data(_mm_setr_ps(x, y, z, w))
- Data(_mm_set_ps(w, z, y, x))
-{}
-/*
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const v[4]) :
- Data(_mm_load_ps(v))
-{}
-*/
-//////////////////////////////////////
-// Swizzle constructors
-
-//fvec4SIMD(ref4<float> const & r);
-
-//////////////////////////////////////
-// Conversion vector constructors
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(vec2 const & v, float const & s1, float const & s2) :
- Data(_mm_set_ps(s2, s1, v.y, v.x))
-{}
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s1, vec2 const & v, float const & s2) :
- Data(_mm_set_ps(s2, v.y, v.x, s1))
-{}
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s1, float const & s2, vec2 const & v) :
- Data(_mm_set_ps(v.y, v.x, s2, s1))
-{}
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(vec3 const & v, float const & s) :
- Data(_mm_set_ps(s, v.z, v.y, v.x))
-{}
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s, vec3 const & v) :
- Data(_mm_set_ps(v.z, v.y, v.x, s))
-{}
-
-GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(vec2 const & v1, vec2 const & v2) :
- Data(_mm_set_ps(v2.y, v2.x, v1.y, v1.x))
-{}
-
-//GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(ivec4SIMD const & v) :
-// Data(_mm_cvtepi32_ps(v.Data))
-//{}
-
-//////////////////////////////////////
-// Unary arithmetic operators
-
-#if !GLM_HAS_DEFAULTED_FUNCTIONS
- GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator=(fvec4SIMD const & v)
- {
- this->Data = v.Data;
- return *this;
- }
-#endif//!GLM_HAS_DEFAULTED_FUNCTIONS
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator+=(float const & s)
-{
- this->Data = _mm_add_ps(Data, _mm_set_ps1(s));
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator+=(fvec4SIMD const & v)
-{
- this->Data = _mm_add_ps(this->Data , v.Data);
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator-=(float const & s)
-{
- this->Data = _mm_sub_ps(Data, _mm_set_ps1(s));
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator-=(fvec4SIMD const & v)
-{
- this->Data = _mm_sub_ps(this->Data , v.Data);
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator*=(float const & s)
-{
- this->Data = _mm_mul_ps(this->Data, _mm_set_ps1(s));
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator*=(fvec4SIMD const & v)
-{
- this->Data = _mm_mul_ps(this->Data , v.Data);
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator/=(float const & s)
-{
- this->Data = _mm_div_ps(Data, _mm_set1_ps(s));
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator/=(fvec4SIMD const & v)
-{
- this->Data = _mm_div_ps(this->Data , v.Data);
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator++()
-{
- this->Data = _mm_add_ps(this->Data , glm::detail::one);
- return *this;
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator--()
-{
- this->Data = _mm_sub_ps(this->Data, glm::detail::one);
- return *this;
-}
-
-//////////////////////////////////////
-// Swizzle operators
-
-template <comp X_, comp Y_, comp Z_, comp W_>
-GLM_FUNC_QUALIFIER fvec4SIMD fvec4SIMD::swizzle() const
-{
- __m128 Data = _mm_shuffle_ps(
- this->Data, this->Data,
- shuffle_mask<(W_ << 6) | (Z_ << 4) | (Y_ << 2) | (X_ << 0)>::value);
- return fvec4SIMD(Data);
-}
-
-template <comp X_, comp Y_, comp Z_, comp W_>
-GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::swizzle()
-{
- this->Data = _mm_shuffle_ps(
- this->Data, this->Data,
- shuffle_mask<(W_ << 6) | (Z_ << 4) | (Y_ << 2) | (X_ << 0)>::value);
- return *this;
-}
-
-// operator+
-GLM_FUNC_QUALIFIER fvec4SIMD operator+ (fvec4SIMD const & v, float s)
-{
- return fvec4SIMD(_mm_add_ps(v.Data, _mm_set1_ps(s)));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator+ (float s, fvec4SIMD const & v)
-{
- return fvec4SIMD(_mm_add_ps(_mm_set1_ps(s), v.Data));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator+ (fvec4SIMD const & v1, fvec4SIMD const & v2)
-{
- return fvec4SIMD(_mm_add_ps(v1.Data, v2.Data));
-}
-
-//operator-
-GLM_FUNC_QUALIFIER fvec4SIMD operator- (fvec4SIMD const & v, float s)
-{
- return fvec4SIMD(_mm_sub_ps(v.Data, _mm_set1_ps(s)));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator- (float s, fvec4SIMD const & v)
-{
- return fvec4SIMD(_mm_sub_ps(_mm_set1_ps(s), v.Data));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator- (fvec4SIMD const & v1, fvec4SIMD const & v2)
-{
- return fvec4SIMD(_mm_sub_ps(v1.Data, v2.Data));
-}
-
-//operator*
-GLM_FUNC_QUALIFIER fvec4SIMD operator* (fvec4SIMD const & v, float s)
-{
- __m128 par0 = v.Data;
- __m128 par1 = _mm_set1_ps(s);
- return fvec4SIMD(_mm_mul_ps(par0, par1));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator* (float s, fvec4SIMD const & v)
-{
- __m128 par0 = _mm_set1_ps(s);
- __m128 par1 = v.Data;
- return fvec4SIMD(_mm_mul_ps(par0, par1));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator* (fvec4SIMD const & v1, fvec4SIMD const & v2)
-{
- return fvec4SIMD(_mm_mul_ps(v1.Data, v2.Data));
-}
-
-//operator/
-GLM_FUNC_QUALIFIER fvec4SIMD operator/ (fvec4SIMD const & v, float s)
-{
- __m128 par0 = v.Data;
- __m128 par1 = _mm_set1_ps(s);
- return fvec4SIMD(_mm_div_ps(par0, par1));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator/ (float s, fvec4SIMD const & v)
-{
- __m128 par0 = _mm_set1_ps(s);
- __m128 par1 = v.Data;
- return fvec4SIMD(_mm_div_ps(par0, par1));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator/ (fvec4SIMD const & v1, fvec4SIMD const & v2)
-{
- return fvec4SIMD(_mm_div_ps(v1.Data, v2.Data));
-}
-
-// Unary constant operators
-GLM_FUNC_QUALIFIER fvec4SIMD operator- (fvec4SIMD const & v)
-{
- return fvec4SIMD(_mm_sub_ps(_mm_setzero_ps(), v.Data));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator++ (fvec4SIMD const & v, int)
-{
- return fvec4SIMD(_mm_add_ps(v.Data, glm::detail::one));
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD operator-- (fvec4SIMD const & v, int)
-{
- return fvec4SIMD(_mm_sub_ps(v.Data, glm::detail::one));
-}
-
-}//namespace detail
-
-GLM_FUNC_QUALIFIER vec4 vec4_cast
-(
- detail::fvec4SIMD const & x
-)
-{
- GLM_ALIGN(16) vec4 Result;
- _mm_store_ps(&Result[0], x.Data);
- return Result;
-}
-
-// Other possible implementation
-//float abs(float a)
-//{
-// return max(-a, a);
-//}
-GLM_FUNC_QUALIFIER detail::fvec4SIMD abs
-(
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_abs_ps(x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD sign
-(
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_sgn_ps(x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD floor
-(
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_flr_ps(x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD trunc
-(
- detail::fvec4SIMD const & x
-)
-{
- //return x < 0 ? -floor(-x) : floor(x);
-
- __m128 Flr0 = detail::sse_flr_ps(_mm_sub_ps(_mm_setzero_ps(), x.Data));
- __m128 Sub0 = _mm_sub_ps(Flr0, x.Data);
- __m128 Flr1 = detail::sse_flr_ps(x.Data);
-
- __m128 Cmp0 = _mm_cmplt_ps(x.Data, glm::detail::zero);
- __m128 Cmp1 = _mm_cmpnlt_ps(x.Data, glm::detail::zero);
-
- __m128 And0 = _mm_and_ps(Sub0, Cmp0);
- __m128 And1 = _mm_and_ps(Flr1, Cmp1);
-
- return _mm_or_ps(And0, And1);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD round
-(
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_rnd_ps(x.Data);
-}
-
-//GLM_FUNC_QUALIFIER detail::fvec4SIMD roundEven
-//(
-// detail::fvec4SIMD const & x
-//)
-//{
-
-//}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD ceil
-(
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_ceil_ps(x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD fract
-(
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_frc_ps(x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD mod
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & y
-)
-{
- return detail::sse_mod_ps(x.Data, y.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD mod
-(
- detail::fvec4SIMD const & x,
- float const & y
-)
-{
- return detail::sse_mod_ps(x.Data, _mm_set1_ps(y));
-}
-
-//GLM_FUNC_QUALIFIER detail::fvec4SIMD modf
-//(
-// detail::fvec4SIMD const & x,
-// detail::fvec4SIMD & i
-//)
-//{
-
-//}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD min
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & y
-)
-{
- return _mm_min_ps(x.Data, y.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD min
-(
- detail::fvec4SIMD const & x,
- float const & y
-)
-{
- return _mm_min_ps(x.Data, _mm_set1_ps(y));
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD max
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & y
-)
-{
- return _mm_max_ps(x.Data, y.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD max
-(
- detail::fvec4SIMD const & x,
- float const & y
-)
-{
- return _mm_max_ps(x.Data, _mm_set1_ps(y));
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD clamp
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & minVal,
- detail::fvec4SIMD const & maxVal
-)
-{
- return detail::sse_clp_ps(x.Data, minVal.Data, maxVal.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD clamp
-(
- detail::fvec4SIMD const & x,
- float const & minVal,
- float const & maxVal
-)
-{
- return detail::sse_clp_ps(x.Data, _mm_set1_ps(minVal), _mm_set1_ps(maxVal));
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD mix
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & y,
- detail::fvec4SIMD const & a
-)
-{
- __m128 Sub0 = _mm_sub_ps(y.Data, x.Data);
- __m128 Mul0 = _mm_mul_ps(a.Data, Sub0);
- return _mm_add_ps(x.Data, Mul0);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD step
-(
- detail::fvec4SIMD const & edge,
- detail::fvec4SIMD const & x
-)
-{
- __m128 cmp0 = _mm_cmpngt_ps(x.Data, edge.Data);
- return _mm_max_ps(_mm_min_ps(cmp0, _mm_setzero_ps()), detail::one);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD step
-(
- float const & edge,
- detail::fvec4SIMD const & x
-)
-{
- __m128 cmp0 = _mm_cmpngt_ps(x.Data, _mm_set1_ps(edge));
- return _mm_max_ps(_mm_min_ps(cmp0, _mm_setzero_ps()), detail::one);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD smoothstep
-(
- detail::fvec4SIMD const & edge0,
- detail::fvec4SIMD const & edge1,
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_ssp_ps(edge0.Data, edge1.Data, x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD smoothstep
-(
- float const & edge0,
- float const & edge1,
- detail::fvec4SIMD const & x
-)
-{
- return detail::sse_ssp_ps(_mm_set1_ps(edge0), _mm_set1_ps(edge1), x.Data);
-}
-
-//GLM_FUNC_QUALIFIER bvec4 isnan(detail::fvec4SIMD const & x)
-//{
-
-//}
-
-//GLM_FUNC_QUALIFIER bvec4 isinf(detail::fvec4SIMD const & x)
-//{
-
-//}
-
-//GLM_FUNC_QUALIFIER detail::ivec4SIMD floatBitsToInt
-//(
-// detail::fvec4SIMD const & value
-//)
-//{
-
-//}
-
-//GLM_FUNC_QUALIFIER detail::fvec4SIMD intBitsToFloat
-//(
-// detail::ivec4SIMD const & value
-//)
-//{
-
-//}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD fma
-(
- detail::fvec4SIMD const & a,
- detail::fvec4SIMD const & b,
- detail::fvec4SIMD const & c
-)
-{
- return _mm_add_ps(_mm_mul_ps(a.Data, b.Data), c.Data);
-}
-
-GLM_FUNC_QUALIFIER float length
-(
- detail::fvec4SIMD const & x
-)
-{
- detail::fvec4SIMD dot0 = detail::sse_dot_ss(x.Data, x.Data);
- detail::fvec4SIMD sqt0 = sqrt(dot0);
- float Result = 0;
- _mm_store_ss(&Result, sqt0.Data);
- return Result;
-}
-
-GLM_FUNC_QUALIFIER float fastLength
-(
- detail::fvec4SIMD const & x
-)
-{
- detail::fvec4SIMD dot0 = detail::sse_dot_ss(x.Data, x.Data);
- detail::fvec4SIMD sqt0 = fastSqrt(dot0);
- float Result = 0;
- _mm_store_ss(&Result, sqt0.Data);
- return Result;
-}
-
-GLM_FUNC_QUALIFIER float niceLength
-(
- detail::fvec4SIMD const & x
-)
-{
- detail::fvec4SIMD dot0 = detail::sse_dot_ss(x.Data, x.Data);
- detail::fvec4SIMD sqt0 = niceSqrt(dot0);
- float Result = 0;
- _mm_store_ss(&Result, sqt0.Data);
- return Result;
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD length4
-(
- detail::fvec4SIMD const & x
-)
-{
- return sqrt(dot4(x, x));
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD fastLength4
-(
- detail::fvec4SIMD const & x
-)
-{
- return fastSqrt(dot4(x, x));
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD niceLength4
-(
- detail::fvec4SIMD const & x
-)
-{
- return niceSqrt(dot4(x, x));
-}
-
-GLM_FUNC_QUALIFIER float distance
-(
- detail::fvec4SIMD const & p0,
- detail::fvec4SIMD const & p1
-)
-{
- float Result = 0;
- _mm_store_ss(&Result, detail::sse_dst_ps(p0.Data, p1.Data));
- return Result;
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD distance4
-(
- detail::fvec4SIMD const & p0,
- detail::fvec4SIMD const & p1
-)
-{
- return detail::sse_dst_ps(p0.Data, p1.Data);
-}
-
-GLM_FUNC_QUALIFIER float dot
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & y
-)
-{
- float Result = 0;
- _mm_store_ss(&Result, detail::sse_dot_ss(x.Data, y.Data));
- return Result;
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD dot4
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & y
-)
-{
- return detail::sse_dot_ps(x.Data, y.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD cross
-(
- detail::fvec4SIMD const & x,
- detail::fvec4SIMD const & y
-)
-{
- return detail::sse_xpd_ps(x.Data, y.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD normalize
-(
- detail::fvec4SIMD const & x
-)
-{
- __m128 dot0 = detail::sse_dot_ps(x.Data, x.Data);
- __m128 isr0 = inversesqrt(detail::fvec4SIMD(dot0)).Data;
- __m128 mul0 = _mm_mul_ps(x.Data, isr0);
- return mul0;
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD fastNormalize
-(
- detail::fvec4SIMD const & x
-)
-{
- __m128 dot0 = detail::sse_dot_ps(x.Data, x.Data);
- __m128 isr0 = fastInversesqrt(dot0).Data;
- __m128 mul0 = _mm_mul_ps(x.Data, isr0);
- return mul0;
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD faceforward
-(
- detail::fvec4SIMD const & N,
- detail::fvec4SIMD const & I,
- detail::fvec4SIMD const & Nref
-)
-{
- return detail::sse_ffd_ps(N.Data, I.Data, Nref.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD reflect
-(
- detail::fvec4SIMD const & I,
- detail::fvec4SIMD const & N
-)
-{
- return detail::sse_rfe_ps(I.Data, N.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD refract
-(
- detail::fvec4SIMD const & I,
- detail::fvec4SIMD const & N,
- float const & eta
-)
-{
- return detail::sse_rfa_ps(I.Data, N.Data, _mm_set1_ps(eta));
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD sqrt(detail::fvec4SIMD const & x)
-{
- return _mm_mul_ps(inversesqrt(x).Data, x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD niceSqrt(detail::fvec4SIMD const & x)
-{
- return _mm_sqrt_ps(x.Data);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD fastSqrt(detail::fvec4SIMD const & x)
-{
- return _mm_mul_ps(fastInversesqrt(x.Data).Data, x.Data);
-}
-
-// SSE scalar reciprocal sqrt using rsqrt op, plus one Newton-Rhaphson iteration
-// By Elan Ruskin, http://assemblyrequired.crashworks.org/
-GLM_FUNC_QUALIFIER detail::fvec4SIMD inversesqrt(detail::fvec4SIMD const & x)
-{
- GLM_ALIGN(4) static const __m128 three = {3, 3, 3, 3}; // aligned consts for fast load
- GLM_ALIGN(4) static const __m128 half = {0.5,0.5,0.5,0.5};
-
- __m128 recip = _mm_rsqrt_ps(x.Data); // "estimate" opcode
- __m128 halfrecip = _mm_mul_ps(half, recip);
- __m128 threeminus_xrr = _mm_sub_ps(three, _mm_mul_ps(x.Data, _mm_mul_ps(recip, recip)));
- return _mm_mul_ps(halfrecip, threeminus_xrr);
-}
-
-GLM_FUNC_QUALIFIER detail::fvec4SIMD fastInversesqrt(detail::fvec4SIMD const & x)
-{
- return _mm_rsqrt_ps(x.Data);
-}
-
-}//namespace glm