CS计算机代考程序代写 ///////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 – 2015 G-Truc Creation (www.g-truc.net)
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/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
/// a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref core
/// @file glm/detail/type_mat2x2.inl
/// @date 2005-01-16 / 2011-06-15
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

namespace glm{
namespace detail
{
template
GLM_FUNC_QUALIFIER tmat2x2 compute_inverse(tmat2x2 const & m)
{
T OneOverDeterminant = static_cast(1) / (
+ m[0][0] * m[1][1]
– m[1][0] * m[0][1]);

tmat2x2 Inverse(
+ m[1][1] * OneOverDeterminant,
– m[0][1] * OneOverDeterminant,
– m[1][0] * OneOverDeterminant,
+ m[0][0] * OneOverDeterminant);

return Inverse;
}
}//namespace detail

//////////////////////////////////////////////////////////////
// Constructors

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2()
{
# ifndef GLM_FORCE_NO_CTOR_INIT
this->value[0] = col_type(1, 0);
this->value[1] = col_type(0, 1);
# endif
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat2x2 const & m)
{
this->value[0] = m.value[0];
this->value[1] = m.value[1];
}

template
template GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat2x2 const & m)
{
this->value[0] = m.value[0];
this->value[1] = m.value[1];
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(ctor)
{}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(T const & s)
{
this->value[0] = col_type(s, 0);
this->value[1] = col_type(0, s);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2
(
T const & x0, T const & y0,
T const & x1, T const & y1
)
{
this->value[0] = col_type(x0, y0);
this->value[1] = col_type(x1, y1);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(col_type const & v0, col_type const & v1)
{
this->value[0] = v0;
this->value[1] = v1;
}

//////////////////////////////////////
// Conversion constructors
template
template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2
(
X1 const & x1, Y1 const & y1,
X2 const & x2, Y2 const & y2
)
{
this->value[0] = col_type(static_cast(x1), value_type(y1));
this->value[1] = col_type(static_cast(x2), value_type(y2));
}

template
template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tvec2 const & v1, tvec2 const & v2)
{
this->value[0] = col_type(v1);
this->value[1] = col_type(v2);
}

//////////////////////////////////////////////////////////////
// mat2x2 matrix conversions

template
template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat2x2 const & m)
{
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat3x3 const & m)
{
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat4x4 const & m)
{
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat2x3 const & m)
{
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat3x2 const & m)
{
this->value[0] = m[0];
this->value[1] = m[1];
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat2x4 const & m)
{
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat4x2 const & m)
{
this->value[0] = m[0];
this->value[1] = m[1];
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat3x4 const & m)
{
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2::tmat2x2(tmat4x3 const & m)
{
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
}

//////////////////////////////////////
// Accesses

# ifdef GLM_FORCE_SIZE_FUNC
template
GLM_FUNC_QUALIFIER GLM_CONSTEXPR typename tmat2x2::size_type tmat2x2::size() const
{
return 2;
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::col_type & tmat2x2::operator[](typename tmat2x2::size_type i)
{
assert(i < this->size());
return this->value[i];
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::col_type const & tmat2x2::operator[](typename tmat2x2::size_type i) const
{
assert(i < this->size());
return this->value[i];
}
# else
template
GLM_FUNC_QUALIFIER GLM_CONSTEXPR typename tmat2x2::length_type tmat2x2::length() const
{
return 2;
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::col_type & tmat2x2::operator[](typename tmat2x2::length_type i)
{
assert(i < this->length());
return this->value[i];
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::col_type const & tmat2x2::operator[](typename tmat2x2::length_type i) const
{
assert(i < this->length());
return this->value[i];
}
# endif//GLM_FORCE_SIZE_FUNC

//////////////////////////////////////////////////////////////
// Unary updatable operators

template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator=(tmat2x2 const & m)
{
this->value[0] = m[0];
this->value[1] = m[1];
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator=(tmat2x2 const & m)
{
this->value[0] = m[0];
this->value[1] = m[1];
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator+=(U s)
{
this->value[0] += s;
this->value[1] += s;
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator+=(tmat2x2 const & m)
{
this->value[0] += m[0];
this->value[1] += m[1];
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator-=(U s)
{
this->value[0] -= s;
this->value[1] -= s;
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator-=(tmat2x2 const & m)
{
this->value[0] -= m[0];
this->value[1] -= m[1];
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator*=(U s)
{
this->value[0] *= s;
this->value[1] *= s;
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator*=(tmat2x2 const & m)
{
return (*this = *this * m);
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator/=(U s)
{
this->value[0] /= s;
this->value[1] /= s;
return *this;
}

template
template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator/=(tmat2x2 const & m)
{
return (*this = *this * detail::compute_inverse(m));
}

template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator++()
{
++this->value[0];
++this->value[1];
return *this;
}

template
GLM_FUNC_QUALIFIER tmat2x2& tmat2x2::operator–()
{
–this->value[0];
–this->value[1];
return *this;
}

template
GLM_FUNC_QUALIFIER tmat2x2 tmat2x2::operator++(int)
{
tmat2x2 Result(*this);
++*this;
return Result;
}

template
GLM_FUNC_QUALIFIER tmat2x2 tmat2x2::operator–(int)
{
tmat2x2 Result(*this);
–*this;
return Result;
}

//////////////////////////////////////////////////////////////
// Binary operators

template
GLM_FUNC_QUALIFIER tmat2x2 operator+(tmat2x2 const & m, T const & s)
{
return tmat2x2(
m[0] + s,
m[1] + s);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator+(T const & s, tmat2x2 const & m)
{
return tmat2x2(
m[0] + s,
m[1] + s);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator+(tmat2x2 const & m1, tmat2x2 const & m2)
{
return tmat2x2(
m1[0] + m2[0],
m1[1] + m2[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator-(tmat2x2 const & m, T const & s)
{
return tmat2x2(
m[0] – s,
m[1] – s);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator-(T const & s, tmat2x2 const & m)
{
return tmat2x2(
s – m[0],
s – m[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator-(tmat2x2 const & m1, tmat2x2 const & m2)
{
return tmat2x2(
m1[0] – m2[0],
m1[1] – m2[1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator*(tmat2x2 const & m, T const & s)
{
return tmat2x2(
m[0] * s,
m[1] * s);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator*(T const & s, tmat2x2 const & m)
{
return tmat2x2(
m[0] * s,
m[1] * s);
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::col_type operator*
(
tmat2x2 const & m,
typename tmat2x2::row_type const & v
)
{
return tvec2(
m[0][0] * v.x + m[1][0] * v.y,
m[0][1] * v.x + m[1][1] * v.y);
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::row_type operator*
(
typename tmat2x2::col_type const & v,
tmat2x2 const & m
)
{
return tvec2(
v.x * m[0][0] + v.y * m[0][1],
v.x * m[1][0] + v.y * m[1][1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator*(tmat2x2 const & m1, tmat2x2 const & m2)
{
return tmat2x2(
m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1],
m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1],
m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1],
m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1]);
}

template
GLM_FUNC_QUALIFIER tmat3x2 operator*(tmat2x2 const & m1, tmat3x2 const & m2)
{
return tmat3x2(
m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1],
m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1],
m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1],
m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1],
m1[0][0] * m2[2][0] + m1[1][0] * m2[2][1],
m1[0][1] * m2[2][0] + m1[1][1] * m2[2][1]);
}

template
GLM_FUNC_QUALIFIER tmat4x2 operator*(tmat2x2 const & m1, tmat4x2 const & m2)
{
return tmat4x2(
m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1],
m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1],
m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1],
m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1],
m1[0][0] * m2[2][0] + m1[1][0] * m2[2][1],
m1[0][1] * m2[2][0] + m1[1][1] * m2[2][1],
m1[0][0] * m2[3][0] + m1[1][0] * m2[3][1],
m1[0][1] * m2[3][0] + m1[1][1] * m2[3][1]);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator/(tmat2x2 const & m, T const & s)
{
return tmat2x2(
m[0] / s,
m[1] / s);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator/(T const & s, tmat2x2 const & m)
{
return tmat2x2(
s / m[0],
s / m[1]);
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::col_type operator/(tmat2x2 const & m, typename tmat2x2::row_type const & v)
{
return detail::compute_inverse(m) * v;
}

template
GLM_FUNC_QUALIFIER typename tmat2x2::row_type operator/(typename tmat2x2::col_type const & v, tmat2x2 const & m)
{
return v * detail::compute_inverse(m);
}

template
GLM_FUNC_QUALIFIER tmat2x2 operator/(tmat2x2 const & m1, tmat2x2 const & m2)
{
tmat2x2 m1_copy(m1);
return m1_copy /= m2;
}

// Unary constant operators
template
GLM_FUNC_QUALIFIER tmat2x2 const operator-(tmat2x2 const & m)
{
return tmat2x2(
-m[0],
-m[1]);
}

//////////////////////////////////////
// Boolean operators

template
GLM_FUNC_QUALIFIER bool operator==(tmat2x2 const & m1, tmat2x2 const & m2)
{
return (m1[0] == m2[0]) && (m1[1] == m2[1]);
}

template
GLM_FUNC_QUALIFIER bool operator!=(tmat2x2 const & m1, tmat2x2 const & m2)
{
return (m1[0] != m2[0]) || (m1[1] != m2[1]);
}
} //namespace glm