223 lines
8.8 KiB
C++
223 lines
8.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
/// OpenGL Mathematics (glm.g-truc.net)
|
|
///
|
|
/// Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
|
|
/// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
/// of this software and associated documentation files (the "Software"), to deal
|
|
/// in the Software without restriction, including without limitation the rights
|
|
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
/// copies of the Software, and to permit persons to whom the Software is
|
|
/// 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.
|
|
///
|
|
/// 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/core/func_vector_relational.hpp
|
|
/// @date 2008-08-03 / 2011-06-15
|
|
/// @author Christophe Riccio
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef glm_core_func_vector_relational
|
|
#define glm_core_func_vector_relational
|
|
|
|
#include "_detail.hpp"
|
|
|
|
namespace glm
|
|
{
|
|
/// @addtogroup core_funcs
|
|
/// @{
|
|
|
|
//! Returns the component-wise comparison result of x < y.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/lessThan.xml">GLSL lessThan man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <typename T, template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER typename vecType<T>::bool_type lessThan
|
|
(
|
|
vecType<T> const & x,
|
|
vecType<T> const & y
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
|
|
"Invalid template instantiation of 'lessThan', GLM vector types required");
|
|
GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
|
|
"Invalid template instantiation of 'lessThan', GLM vector types required floating-point or integer value types vectors");
|
|
|
|
typename vecType<bool>::bool_type Result(vecType<bool>::null);
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result[i] = x[i] < y[i];
|
|
|
|
return Result;
|
|
}
|
|
|
|
//! Returns the component-wise comparison of result x <= y.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/lessThanEqual.xml">GLSL lessThanEqual man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <typename T, template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER typename vecType<T>::bool_type lessThanEqual
|
|
(
|
|
vecType<T> const & x,
|
|
vecType<T> const & y
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
|
|
"Invalid template instantiation of 'lessThanEqual', GLM vector types required");
|
|
GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
|
|
"Invalid template instantiation of 'lessThanEqual', GLM vector types required floating-point or integer value types vectors");
|
|
|
|
typename vecType<bool>::bool_type Result(vecType<bool>::null);
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result[i] = x[i] <= y[i];
|
|
return Result;
|
|
}
|
|
|
|
//! Returns the component-wise comparison of result x > y.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/greaterThan.xml">GLSL greaterThan man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <typename T, template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER typename vecType<T>::bool_type greaterThan
|
|
(
|
|
vecType<T> const & x,
|
|
vecType<T> const & y
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
|
|
"Invalid template instantiation of 'greaterThan', GLM vector types required");
|
|
GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
|
|
"Invalid template instantiation of 'greaterThan', GLM vector types required floating-point or integer value types vectors");
|
|
|
|
typename vecType<bool>::bool_type Result(vecType<bool>::null);
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result[i] = x[i] > y[i];
|
|
return Result;
|
|
}
|
|
|
|
//! Returns the component-wise comparison of result x >= y.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/greaterThanEqual.xml">GLSL greaterThanEqual man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <typename T, template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER typename vecType<T>::bool_type greaterThanEqual
|
|
(
|
|
vecType<T> const & x,
|
|
vecType<T> const & y
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
|
|
"Invalid template instantiation of 'greaterThanEqual', GLM vector types required");
|
|
GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
|
|
"Invalid template instantiation of 'greaterThanEqual', GLM vector types required floating-point or integer value types vectors");
|
|
|
|
typename vecType<bool>::bool_type Result(vecType<bool>::null);
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result[i] = x[i] >= y[i];
|
|
return Result;
|
|
}
|
|
|
|
//! Returns the component-wise comparison of result x == y.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/equal.xml">GLSL equal man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <typename T, template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER typename vecType<T>::bool_type equal
|
|
(
|
|
vecType<T> const & x,
|
|
vecType<T> const & y
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
|
|
"Invalid template instantiation of 'equal', GLM vector types required");
|
|
|
|
typename vecType<bool>::bool_type Result(vecType<bool>::null);
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result[i] = x[i] == y[i];
|
|
return Result;
|
|
}
|
|
|
|
//! Returns the component-wise comparison of result x != y.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/notEqual.xml">GLSL notEqual man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <typename T, template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER typename vecType<T>::bool_type notEqual
|
|
(
|
|
vecType<T> const & x,
|
|
vecType<T> const & y
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
|
|
"Invalid template instantiation of 'notEqual', GLM vector types required");
|
|
|
|
typename vecType<bool>::bool_type Result(vecType<bool>::null);
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result[i] = x[i] != y[i];
|
|
return Result;
|
|
}
|
|
|
|
//! Returns true if any component of x is true.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/any.xml">GLSL any man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER bool any(vecType<bool> const & v)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES,
|
|
"Invalid template instantiation of 'any', GLM boolean vector types required");
|
|
|
|
bool Result = false;
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result = Result || v[i];
|
|
return Result;
|
|
}
|
|
|
|
//! Returns true if all components of x are true.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/all.xml">GLSL all man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER bool all(vecType<bool> const & v)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES,
|
|
"Invalid template instantiation of 'all', GLM boolean vector types required");
|
|
|
|
bool Result = true;
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result = Result && v[i];
|
|
return Result;
|
|
}
|
|
|
|
//! Returns the component-wise logical complement of x.
|
|
//! /!\ Because of language incompatibilities between C++ and GLSL, GLM defines the function not but not_ instead.
|
|
//!
|
|
//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/not.xml">GLSL not man page</a>
|
|
//! \li GLSL 1.30.08 specification, section 8.6
|
|
template <template <typename> class vecType>
|
|
GLM_FUNC_QUALIFIER vecType<bool> not_(vecType<bool> const & v)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES,
|
|
"Invalid template instantiation of 'not_', GLM vector types required");
|
|
|
|
typename vecType<bool>::bool_type Result(vecType<bool>::null);
|
|
for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
|
|
Result[i] = !v[i];
|
|
return Result;
|
|
}
|
|
|
|
/// @}
|
|
}//namespace glm
|
|
|
|
#include "func_vector_relational.inl"
|
|
|
|
#endif//glm_core_func_vector_relational
|