anulax
/
glm
1
0
Fork 0
Code Issues Pull Requests Packages project_board Releases Wiki Activity

Optimized matrix inverse and division code (#149)

Browse Source
master
Christophe Riccio ago%!(EXTRA string=11 years)
parent efdfa577ee
commit 90a249b5ff
9 changed files with 258 additions and 210 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 113
      glm/detail/func_matrix.inl
  2. 22
      glm/detail/type_mat.hpp
  3. 23
      glm/detail/type_mat2x2.inl
  4. 32
      glm/detail/type_mat3x3.inl
  5. 124
      glm/detail/type_mat4x4.inl
  6. 5
      glm/gtc/matrix_transform.inl
  7. 1
      readme.txt
  8. 72
      test/core/core_func_matrix.cpp
  9. 76
      test/core/core_type_mat4x4.cpp

113
glm/detail/func_matrix.inl
Unescape View File

@ -416,7 +416,7 @@ namespace detail
{
static T call(detail::tmat3x3<T, P> const & m)
{
return
return
+ m[0][0] * (m[1][1] * m[2][2] - m[2][1] * m[1][2])
- m[1][0] * (m[0][1] * m[2][2] - m[2][1] * m[0][2])
+ m[2][0] * (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
@ -441,114 +441,9 @@ namespace detail
+ (m[1][0] * SubFactor01 - m[1][1] * SubFactor03 + m[1][3] * SubFactor05),
- (m[1][0] * SubFactor02 - m[1][1] * SubFactor04 + m[1][2] * SubFactor05));
return m[0][0] * DetCof[0]
+ m[0][1] * DetCof[1]
+ m[0][2] * DetCof[2]
+ m[0][3] * DetCof[3];
}
};
template <template <class, precision> class matType, typename T, precision P>
struct compute_inverse{};
template <typename T, precision P>
struct compute_inverse<detail::tmat2x2, T, P>
{
static detail::tmat2x2<T, P> call(detail::tmat2x2<T, P> const & m)
{
T Determinant = determinant(m);
detail::tmat2x2<T, P> Inverse(
+ m[1][1] / Determinant,
- m[0][1] / Determinant,
- m[1][0] / Determinant,
+ m[0][0] / Determinant);
return Inverse;
}
};
template <typename T, precision P>
struct compute_inverse<detail::tmat3x3, T, P>
{
static detail::tmat3x3<T, P> call(detail::tmat3x3<T, P> const & m)
{
T Determinant = determinant(m);
detail::tmat3x3<T, P> Inverse(detail::tmat3x3<T, P>::_null);
Inverse[0][0] = + (m[1][1] * m[2][2] - m[2][1] * m[1][2]);
Inverse[1][0] = - (m[1][0] * m[2][2] - m[2][0] * m[1][2]);
Inverse[2][0] = + (m[1][0] * m[2][1] - m[2][0] * m[1][1]);
Inverse[0][1] = - (m[0][1] * m[2][2] - m[2][1] * m[0][2]);
Inverse[1][1] = + (m[0][0] * m[2][2] - m[2][0] * m[0][2]);
Inverse[2][1] = - (m[0][0] * m[2][1] - m[2][0] * m[0][1]);
Inverse[0][2] = + (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
Inverse[1][2] = - (m[0][0] * m[1][2] - m[1][0] * m[0][2]);
Inverse[2][2] = + (m[0][0] * m[1][1] - m[1][0] * m[0][1]);
Inverse /= Determinant;
return Inverse;
}
};
template <typename T, precision P>
struct compute_inverse<detail::tmat4x4, T, P>
{
static detail::tmat4x4<T, P> call(detail::tmat4x4<T, P> const & m)
{
T Coef00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
T Coef02 = m[1][2] * m[3][3] - m[3][2] * m[1][3];
T Coef03 = m[1][2] * m[2][3] - m[2][2] * m[1][3];
T Coef04 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
T Coef06 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
T Coef07 = m[1][1] * m[2][3] - m[2][1] * m[1][3];
T Coef08 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
T Coef10 = m[1][1] * m[3][2] - m[3][1] * m[1][2];
T Coef11 = m[1][1] * m[2][2] - m[2][1] * m[1][2];
T Coef12 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
T Coef14 = m[1][0] * m[3][3] - m[3][0] * m[1][3];
T Coef15 = m[1][0] * m[2][3] - m[2][0] * m[1][3];
T Coef16 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
T Coef18 = m[1][0] * m[3][2] - m[3][0] * m[1][2];
T Coef19 = m[1][0] * m[2][2] - m[2][0] * m[1][2];
T Coef20 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
T Coef22 = m[1][0] * m[3][1] - m[3][0] * m[1][1];
T Coef23 = m[1][0] * m[2][1] - m[2][0] * m[1][1];
detail::tvec4<T, P> const SignA(+1, -1, +1, -1);
detail::tvec4<T, P> const SignB(-1, +1, -1, +1);
detail::tvec4<T, P> Fac0(Coef00, Coef00, Coef02, Coef03);
detail::tvec4<T, P> Fac1(Coef04, Coef04, Coef06, Coef07);
detail::tvec4<T, P> Fac2(Coef08, Coef08, Coef10, Coef11);
detail::tvec4<T, P> Fac3(Coef12, Coef12, Coef14, Coef15);
detail::tvec4<T, P> Fac4(Coef16, Coef16, Coef18, Coef19);
detail::tvec4<T, P> Fac5(Coef20, Coef20, Coef22, Coef23);
detail::tvec4<T, P> Vec0(m[1][0], m[0][0], m[0][0], m[0][0]);
detail::tvec4<T, P> Vec1(m[1][1], m[0][1], m[0][1], m[0][1]);
detail::tvec4<T, P> Vec2(m[1][2], m[0][2], m[0][2], m[0][2]);
detail::tvec4<T, P> Vec3(m[1][3], m[0][3], m[0][3], m[0][3]);
detail::tvec4<T, P> Inv0 = SignA * (Vec1 * Fac0 - Vec2 * Fac1 + Vec3 * Fac2);
detail::tvec4<T, P> Inv1 = SignB * (Vec0 * Fac0 - Vec2 * Fac3 + Vec3 * Fac4);
detail::tvec4<T, P> Inv2 = SignA * (Vec0 * Fac1 - Vec1 * Fac3 + Vec3 * Fac5);
detail::tvec4<T, P> Inv3 = SignB * (Vec0 * Fac2 - Vec1 * Fac4 + Vec2 * Fac5);
detail::tmat4x4<T, P> Inverse(Inv0, Inv1, Inv2, Inv3);
detail::tvec4<T, P> Row0(Inverse[0][0], Inverse[1][0], Inverse[2][0], Inverse[3][0]);
T Determinant = dot(m[0], Row0);
Inverse /= Determinant;
return Inverse;
return
m[0][0] * DetCof[0] + m[0][1] * DetCof[1] +
m[0][2] * DetCof[2] + m[0][3] * DetCof[3];
}
};
}//namespace detail

22
glm/detail/type_mat.hpp
Unescape View File

@ -44,26 +44,8 @@ namespace detail
template <typename T, precision P> struct tmat4x3;
template <typename T, precision P> struct tmat4x4;
template <typename T>
struct is_matrix
{
enum is_matrix_enum
{
_YES = 0,
_NO = 1
};
};
#define GLM_DETAIL_IS_MATRIX(T) \
template <> \
struct is_matrix \
{ \
enum is_matrix_enum \
{ \
_YES = 1, \
_NO = 0 \
}; \
}
template <template <class, precision> class matType, typename T, precision P>
struct compute_inverse{};
}//namespace detail
/// @addtogroup core_precision

23
glm/detail/type_mat2x2.inl
Unescape View File

@ -358,7 +358,7 @@ namespace detail
template <typename U>
GLM_FUNC_QUALIFIER tmat2x2<T, P>& tmat2x2<T, P>::operator/= (tmat2x2<U, P> const & m)
{
return (*this = *this * compute_inverse_mat2(m));
return (*this = *this * detail::compute_inverse<detail::tmat2x2, T, P>::call(m));
}
template <typename T, precision P>
@ -393,6 +393,23 @@ namespace detail
return Result;
}
template <typename T, precision P>
struct compute_inverse<detail::tmat2x2, T, P>
{
static detail::tmat2x2<T, P> call(detail::tmat2x2<T, P> const & m)
{
T Determinant = determinant(m);
detail::tmat2x2<T, P> Inverse(
+ m[1][1] / Determinant,
- m[0][1] / Determinant,
- m[1][0] / Determinant,
+ m[0][0] / Determinant);
return Inverse;
}
};
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat2x2<T, P> compute_inverse_mat2(tmat2x2<T, P> const & m)
{
@ -607,7 +624,7 @@ namespace detail
typename tmat2x2<T, P>::row_type & v
)
{
return detail::compute_inverse_mat2(m) * v;
return detail::compute_inverse<detail::tmat2x2, T, P>::call(m) * v;
}
template <typename T, precision P>
@ -617,7 +634,7 @@ namespace detail
tmat2x2<T, P> const & m
)
{
return v * detail::compute_inverse_mat2(m);
return v * detail::compute_inverse<detail::tmat2x2, T, P>::call(m);
}
template <typename T, precision P>

32
glm/detail/type_mat3x3.inl
Unescape View File

@ -393,7 +393,7 @@ namespace detail
template <typename U>
GLM_FUNC_QUALIFIER tmat3x3<T, P> & tmat3x3<T, P>::operator/= (tmat3x3<U, P> const & m)
{
return (*this = *this * detail::compute_inverse_mat3(m));
return (*this = *this * detail::compute_inverse<detail::tmat3x3, T, P>::call(m));
}
template <typename T, precision P>
@ -430,6 +430,32 @@ namespace detail
return Result;
}
template <typename T, precision P>
struct compute_inverse<detail::tmat3x3, T, P>
{
static detail::tmat3x3<T, P> call(detail::tmat3x3<T, P> const & m)
{
T Determinant =
+ m[0][0] * (m[1][1] * m[2][2] - m[2][1] * m[1][2])
- m[1][0] * (m[0][1] * m[2][2] - m[2][1] * m[0][2])
+ m[2][0] * (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
detail::tmat3x3<T, P> Inverse(detail::tmat3x3<T, P>::_null);
Inverse[0][0] = + (m[1][1] * m[2][2] - m[2][1] * m[1][2]);
Inverse[1][0] = - (m[1][0] * m[2][2] - m[2][0] * m[1][2]);
Inverse[2][0] = + (m[1][0] * m[2][1] - m[2][0] * m[1][1]);
Inverse[0][1] = - (m[0][1] * m[2][2] - m[2][1] * m[0][2]);
Inverse[1][1] = + (m[0][0] * m[2][2] - m[2][0] * m[0][2]);
Inverse[2][1] = - (m[0][0] * m[2][1] - m[2][0] * m[0][1]);
Inverse[0][2] = + (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
Inverse[1][2] = - (m[0][0] * m[1][2] - m[1][0] * m[0][2]);
Inverse[2][2] = + (m[0][0] * m[1][1] - m[1][0] * m[0][1]);
Inverse /= Determinant;
return Inverse;
}
};
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> compute_inverse_mat3(tmat3x3<T, P> const & m)
{
@ -720,7 +746,7 @@ namespace detail
typename tmat3x3<T, P>::row_type const & v
)
{
return detail::compute_inverse_mat3(m) * v;
return detail::compute_inverse<detail::tmat3x3, T, P>::call(m) * v;
}
template <typename T, precision P>
@ -730,7 +756,7 @@ namespace detail
tmat3x3<T, P> const & m
)
{
return v * detail::compute_inverse_mat3(m);
return v * detail::compute_inverse<detail::tmat3x3, T, P>::call(m);
}
template <typename T, precision P>

124
glm/detail/type_mat4x4.inl
Unescape View File

@ -80,10 +80,10 @@ namespace detail
tmat4x4<T, P> const & m
)
{
this->value[0] = m.value[0];
this->value[1] = m.value[1];
this->value[2] = m.value[2];
this->value[3] = m.value[3];
this->value[0] = m[0];
this->value[1] = m[1];
this->value[2] = m[2];
this->value[3] = m[3];
}
template <typename T, precision P>
@ -93,10 +93,10 @@ namespace detail
tmat4x4<T, Q> const & m
)
{
this->value[0] = m.value[0];
this->value[1] = m.value[1];
this->value[2] = m.value[2];
this->value[3] = m.value[3];
this->value[0] = m[0];
this->value[1] = m[1];
this->value[2] = m[2];
this->value[3] = m[3];
}
template <typename T, precision P>
@ -461,7 +461,7 @@ namespace detail
template <typename U>
GLM_FUNC_QUALIFIER tmat4x4<T, P> & tmat4x4<T, P>::operator/= (tmat4x4<U, P> const & m)
{
return (*this = *this * detail::compute_inverse_mat4(m));
return (*this = *this * detail::compute_inverse<detail::tmat4x4, T, P>::call(m));
}
template <typename T, precision P>
@ -501,52 +501,62 @@ namespace detail
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat4x4<T, P> compute_inverse_mat4(tmat4x4<T, P> const & m)
{
// Calculate all mat2 determinants
T const SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
T const SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
T const SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
T const SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
T const SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
T const SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
T const SubFactor06 = m[1][2] * m[3][3] - m[3][2] * m[1][3];
T const SubFactor07 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
T const SubFactor08 = m[1][1] * m[3][2] - m[3][1] * m[1][2];
T const SubFactor09 = m[1][0] * m[3][3] - m[3][0] * m[1][3];
T const SubFactor10 = m[1][0] * m[3][2] - m[3][0] * m[1][2];
T const SubFactor11 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
T const SubFactor12 = m[1][0] * m[3][1] - m[3][0] * m[1][1];
T const SubFactor13 = m[1][2] * m[2][3] - m[2][2] * m[1][3];
T const SubFactor14 = m[1][1] * m[2][3] - m[2][1] * m[1][3];
T const SubFactor15 = m[1][1] * m[2][2] - m[2][1] * m[1][2];
T const SubFactor16 = m[1][0] * m[2][3] - m[2][0] * m[1][3];
T const SubFactor17 = m[1][0] * m[2][2] - m[2][0] * m[1][2];
T const SubFactor18 = m[1][0] * m[2][1] - m[2][0] * m[1][1];
tmat4x4<T, P> Inverse(
+ m[1][1] * SubFactor00 - m[1][2] * SubFactor01 + m[1][3] * SubFactor02,
- m[1][0] * SubFactor00 + m[1][2] * SubFactor03 - m[1][3] * SubFactor04,
+ m[1][0] * SubFactor01 - m[1][1] * SubFactor03 + m[1][3] * SubFactor05,
- m[1][0] * SubFactor02 + m[1][1] * SubFactor04 - m[1][2] * SubFactor05,
- m[0][1] * SubFactor00 + m[0][2] * SubFactor01 - m[0][3] * SubFactor02,
+ m[0][0] * SubFactor00 - m[0][2] * SubFactor03 + m[0][3] * SubFactor04,
- m[0][0] * SubFactor01 + m[0][1] * SubFactor03 - m[0][3] * SubFactor05,
+ m[0][0] * SubFactor02 - m[0][1] * SubFactor04 + m[0][2] * SubFactor05,
+ m[0][1] * SubFactor06 - m[0][2] * SubFactor07 + m[0][3] * SubFactor08,
- m[0][0] * SubFactor06 + m[0][2] * SubFactor09 - m[0][3] * SubFactor10,
+ m[0][0] * SubFactor11 - m[0][1] * SubFactor09 + m[0][3] * SubFactor12,
- m[0][0] * SubFactor08 + m[0][1] * SubFactor10 - m[0][2] * SubFactor12,
- m[0][1] * SubFactor13 + m[0][2] * SubFactor14 - m[0][3] * SubFactor15,
+ m[0][0] * SubFactor13 - m[0][2] * SubFactor16 + m[0][3] * SubFactor17,
- m[0][0] * SubFactor14 + m[0][1] * SubFactor16 - m[0][3] * SubFactor18,
+ m[0][0] * SubFactor15 - m[0][1] * SubFactor17 + m[0][2] * SubFactor18);
T Determinant = static_cast<T>(+ m[0][0] * Inverse[0][0] + m[0][1] * Inverse[1][0] + m[0][2] * Inverse[2][0] + m[0][3] * Inverse[3][0]);
Inverse /= Determinant;
return Inverse;
}
struct compute_inverse<detail::tmat4x4, T, P>
{
static detail::tmat4x4<T, lowp> call(detail::tmat4x4<T, P> const & m)
{
T Coef00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
T Coef02 = m[1][2] * m[3][3] - m[3][2] * m[1][3];
T Coef03 = m[1][2] * m[2][3] - m[2][2] * m[1][3];
T Coef04 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
T Coef06 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
T Coef07 = m[1][1] * m[2][3] - m[2][1] * m[1][3];
T Coef08 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
T Coef10 = m[1][1] * m[3][2] - m[3][1] * m[1][2];
T Coef11 = m[1][1] * m[2][2] - m[2][1] * m[1][2];
T Coef12 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
T Coef14 = m[1][0] * m[3][3] - m[3][0] * m[1][3];
T Coef15 = m[1][0] * m[2][3] - m[2][0] * m[1][3];
T Coef16 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
T Coef18 = m[1][0] * m[3][2] - m[3][0] * m[1][2];
T Coef19 = m[1][0] * m[2][2] - m[2][0] * m[1][2];
T Coef20 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
T Coef22 = m[1][0] * m[3][1] - m[3][0] * m[1][1];
T Coef23 = m[1][0] * m[2][1] - m[2][0] * m[1][1];
detail::tvec4<T, P> Fac0(Coef00, Coef00, Coef02, Coef03);
detail::tvec4<T, P> Fac1(Coef04, Coef04, Coef06, Coef07);
detail::tvec4<T, P> Fac2(Coef08, Coef08, Coef10, Coef11);
detail::tvec4<T, P> Fac3(Coef12, Coef12, Coef14, Coef15);
detail::tvec4<T, P> Fac4(Coef16, Coef16, Coef18, Coef19);
detail::tvec4<T, P> Fac5(Coef20, Coef20, Coef22, Coef23);
detail::tvec4<T, P> Vec0(m[1][0], m[0][0], m[0][0], m[0][0]);
detail::tvec4<T, P> Vec1(m[1][1], m[0][1], m[0][1], m[0][1]);
detail::tvec4<T, P> Vec2(m[1][2], m[0][2], m[0][2], m[0][2]);
detail::tvec4<T, P> Vec3(m[1][3], m[0][3], m[0][3], m[0][3]);
detail::tvec4<T, P> Inv0(Vec1 * Fac0 - Vec2 * Fac1 + Vec3 * Fac2);
detail::tvec4<T, P> Inv1(Vec0 * Fac0 - Vec2 * Fac3 + Vec3 * Fac4);
detail::tvec4<T, P> Inv2(Vec0 * Fac1 - Vec1 * Fac3 + Vec3 * Fac5);
detail::tvec4<T, P> Inv3(Vec0 * Fac2 - Vec1 * Fac4 + Vec2 * Fac5);
detail::tvec4<T, P> SignA(+1, -1, +1, -1);
detail::tvec4<T, P> SignB(-1, +1, -1, +1);
detail::tmat4x4<T, P> Inverse(Inv0 * SignA, Inv1 * SignB, Inv2 * SignA, Inv3 * SignB);
detail::tvec4<T, P> Row0(Inverse[0][0], Inverse[1][0], Inverse[2][0], Inverse[3][0]);
T OneOverDeterminant = static_cast<T>(1) / dot(m[0], Row0);
return Inverse * OneOverDeterminant;
}
};
// Binary operators
template <typename T, precision P>
@ -823,7 +833,7 @@ namespace detail
typename tmat4x4<T, P>::row_type const & v
)
{
return detail::compute_inverse_mat4(m) * v;
return detail::compute_inverse<detail::tmat4x4, T, P>::call(m) * v;
}
template <typename T, precision P>
@ -833,7 +843,7 @@ namespace detail
tmat4x4<T, P> const & m
)
{
return v * detail::compute_inverse_mat4(m);
return v * detail::compute_inverse<detail::tmat4x4, T, P>::call(m);
}
template <typename T, precision P>

5
glm/gtc/matrix_transform.inl
Unescape View File

@ -82,9 +82,8 @@ namespace glm
T c = cos(a);
T s = sin(a);
detail::tvec3<T, P> axis = normalize(v);
detail::tvec3<T, P> temp = (T(1) - c) * axis;
detail::tvec3<T, P> axis(normalize(v));
detail::tvec3<T, P> temp((T(1) - c) * axis);
detail::tmat4x4<T, P> Rotate(detail::tmat4x4<T, P>::_null);
Rotate[0][0] = c + temp[0] * axis[0];

1
readme.txt
Unescape View File

@ -45,6 +45,7 @@ GLM 0.9.5.1: 2014-XX-XX
- Fixed error 'inverse' is not a member of 'glm' from glm::unProject (#146)
- Fixed mismatch between some declarations and definitions
- Fixed inverse link error when using namespace glm; (#147)
- Optimized matrix inverse and division code (#149)
================================================================================
GLM 0.9.5.0: 2013-12-25

72
test/core/core_func_matrix.cpp
Unescape View File

@ -8,6 +8,11 @@
///////////////////////////////////////////////////////////////////////////////////////////////////
#include <glm/matrix.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/ulp.hpp>
#include <vector>
#include <ctime>
#include <cstdio>
using namespace glm;
@ -175,18 +180,71 @@ int test_inverse()
glm::mat2x2 I2x2 = A2x2 * B2x2;
Failed += I2x2 == glm::mat2x2(1) ? 0 : 1;
return Failed;
}
std::size_t const Count(10000000);
template <typename VEC3, typename MAT4>
int test_inverse_perf(std::size_t Instance, char const * Message)
{
std::vector<MAT4> TestInputs;
TestInputs.resize(Count);
std::vector<MAT4> TestOutputs;
TestOutputs.resize(TestInputs.size());
VEC3 Axis(glm::normalize(VEC3(1.0f, 2.0f, 3.0f)));
for(std::size_t i = 0; i < TestInputs.size(); ++i)
{
typename MAT4::value_type f = static_cast<typename MAT4::value_type>(i + Instance) * typename MAT4::value_type(0.1) + typename MAT4::value_type(0.1);
TestInputs[i] = glm::rotate(glm::translate(MAT4(1), Axis * f), f, Axis);
//TestInputs[i] = glm::translate(MAT4(1), Axis * f);
}
std::clock_t StartTime = std::clock();
for(std::size_t i = 0; i < TestInputs.size(); ++i)
TestOutputs[i] = glm::inverse(TestInputs[i]);
std::clock_t EndTime = std::clock();
for(std::size_t i = 0; i < TestInputs.size(); ++i)
TestOutputs[i] = TestOutputs[i] * TestInputs[i];
typename MAT4::value_type Diff(0);
for(std::size_t Entry = 0; Entry < TestOutputs.size(); ++Entry)
{
MAT4 i(1.0);
MAT4 m(TestOutputs[Entry]);
for(glm::length_t y = 0; y < m.length(); ++y)
for(glm::length_t x = 0; x < m[y].length(); ++x)
Diff = glm::max(m[y][x], i[y][x]);
}
//glm::uint Ulp = 0;
//Ulp = glm::max(glm::float_distance(*Dst, *Src), Ulp);
printf("inverse<%s>(%f): %d\n", Message, Diff, EndTime - StartTime);
return 0;
};
int main()
{
int Failed = 0;
Failed += test_matrixCompMult();
Failed += test_outerProduct();
Failed += test_transpose();
Failed += test_determinant();
Failed += test_inverse();
return Failed;
int Error(0);
Error += test_matrixCompMult();
Error += test_outerProduct();
Error += test_transpose();
Error += test_determinant();
Error += test_inverse();
for(std::size_t i = 0; i < 1; ++i)
{
Error += test_inverse_perf<glm::vec3, glm::mat4>(i, "mat4");
Error += test_inverse_perf<glm::dvec3, glm::dmat4>(i, "dmat4");
}
return Error;
}

76
test/core/core_type_mat4x4.cpp
Unescape View File

@ -16,19 +16,19 @@
void print(glm::dmat4 const & Mat0)
{
printf("mat4(\n");
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f)\n", Mat0[0][0], Mat0[0][1], Mat0[0][2], Mat0[0][3]);
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f)\n", Mat0[1][0], Mat0[1][1], Mat0[1][2], Mat0[1][3]);
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f)\n", Mat0[2][0], Mat0[2][1], Mat0[2][2], Mat0[2][3]);
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f))\n\n", Mat0[3][0], Mat0[3][1], Mat0[3][2], Mat0[3][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f)\n", Mat0[0][0], Mat0[0][1], Mat0[0][2], Mat0[0][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f)\n", Mat0[1][0], Mat0[1][1], Mat0[1][2], Mat0[1][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f)\n", Mat0[2][0], Mat0[2][1], Mat0[2][2], Mat0[2][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f))\n\n", Mat0[3][0], Mat0[3][1], Mat0[3][2], Mat0[3][3]);
}
void print(glm::mat4 const & Mat0)
{
printf("mat4(\n");
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f)\n", Mat0[0][0], Mat0[0][1], Mat0[0][2], Mat0[0][3]);
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f)\n", Mat0[1][0], Mat0[1][1], Mat0[1][2], Mat0[1][3]);
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f)\n", Mat0[2][0], Mat0[2][1], Mat0[2][2], Mat0[2][3]);
printf("\tvec4(%2.3f, %2.3f, %2.3f, %2.3f))\n\n", Mat0[3][0], Mat0[3][1], Mat0[3][2], Mat0[3][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f)\n", Mat0[0][0], Mat0[0][1], Mat0[0][2], Mat0[0][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f)\n", Mat0[1][0], Mat0[1][1], Mat0[1][2], Mat0[1][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f)\n", Mat0[2][0], Mat0[2][1], Mat0[2][2], Mat0[2][3]);
printf("\tvec4(%2.9f, %2.9f, %2.9f, %2.9f))\n\n", Mat0[3][0], Mat0[3][1], Mat0[3][2], Mat0[3][3]);
}
int test_inverse_mat4x4()
@ -107,6 +107,66 @@ int test_inverse()
Error += glm::all(glm::epsilonEqual(Identity[3], glm::vec4(0.0f, 0.0f, 0.0f, 1.0f), glm::vec4(0.01f))) ? 0 : 1;
}
{
glm::highp_mat4 const Matrix(
glm::highp_vec4(0.6f, 0.2f, 0.3f, 0.4f),
glm::highp_vec4(0.2f, 0.7f, 0.5f, 0.3f),
glm::highp_vec4(0.3f, 0.5f, 0.7f, 0.2f),
glm::highp_vec4(0.4f, 0.3f, 0.2f, 0.6f));
glm::highp_mat4 const Inverse = glm::inverse(Matrix);
glm::highp_mat4 const Identity = Matrix * Inverse;
printf("highp_mat4 inverse\n");
print(Matrix);
print(Inverse);
print(Identity);
Error += glm::all(glm::epsilonEqual(Identity[0], glm::highp_vec4(1.0f, 0.0f, 0.0f, 0.0f), glm::highp_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[1], glm::highp_vec4(0.0f, 1.0f, 0.0f, 0.0f), glm::highp_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[2], glm::highp_vec4(0.0f, 0.0f, 1.0f, 0.0f), glm::highp_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[3], glm::highp_vec4(0.0f, 0.0f, 0.0f, 1.0f), glm::highp_vec4(0.01f))) ? 0 : 1;
}
{
glm::mediump_mat4 const Matrix(
glm::mediump_vec4(0.6f, 0.2f, 0.3f, 0.4f),
glm::mediump_vec4(0.2f, 0.7f, 0.5f, 0.3f),
glm::mediump_vec4(0.3f, 0.5f, 0.7f, 0.2f),
glm::mediump_vec4(0.4f, 0.3f, 0.2f, 0.6f));
glm::mediump_mat4 const Inverse = glm::inverse(Matrix);
glm::mediump_mat4 const Identity = Matrix * Inverse;
printf("mediump_mat4 inverse\n");
print(Matrix);
print(Inverse);
print(Identity);
Error += glm::all(glm::epsilonEqual(Identity[0], glm::mediump_vec4(1.0f, 0.0f, 0.0f, 0.0f), glm::mediump_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[1], glm::mediump_vec4(0.0f, 1.0f, 0.0f, 0.0f), glm::mediump_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[2], glm::mediump_vec4(0.0f, 0.0f, 1.0f, 0.0f), glm::mediump_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[3], glm::mediump_vec4(0.0f, 0.0f, 0.0f, 1.0f), glm::mediump_vec4(0.01f))) ? 0 : 1;
}
{
glm::lowp_mat4 const Matrix(
glm::lowp_vec4(0.6f, 0.2f, 0.3f, 0.4f),
glm::lowp_vec4(0.2f, 0.7f, 0.5f, 0.3f),
glm::lowp_vec4(0.3f, 0.5f, 0.7f, 0.2f),
glm::lowp_vec4(0.4f, 0.3f, 0.2f, 0.6f));
glm::lowp_mat4 const Inverse = glm::inverse(Matrix);
glm::lowp_mat4 const Identity = Matrix * Inverse;
printf("lowp_mat4 inverse\n");
print(Matrix);
print(Inverse);
print(Identity);
Error += glm::all(glm::epsilonEqual(Identity[0], glm::lowp_vec4(1.0f, 0.0f, 0.0f, 0.0f), glm::lowp_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[1], glm::lowp_vec4(0.0f, 1.0f, 0.0f, 0.0f), glm::lowp_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[2], glm::lowp_vec4(0.0f, 0.0f, 1.0f, 0.0f), glm::lowp_vec4(0.01f))) ? 0 : 1;
Error += glm::all(glm::epsilonEqual(Identity[3], glm::lowp_vec4(0.0f, 0.0f, 0.0f, 1.0f), glm::lowp_vec4(0.01f))) ? 0 : 1;
}
{
glm::mat4 const Matrix(
glm::vec4(0.6f, 0.2f, 0.3f, 0.4f),

Write Preview
Loading…
Cancel
Save