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Added multiple 'sign' implementations for integers, unit tests and performancetests.

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This commit is contained in:
Christophe Riccio
2014-10-29 00:18:41 +01:00
parent 378074ee66
commit dced21e745
5 changed files with 248 additions and 19 deletions
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8
glm/gtc/bitfield.hpp
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@@ -57,14 +57,14 @@ namespace glm
/// Build a mask of 'count' bits
///
/// @see gtc_bitfield
template <typename genType>
GLM_FUNC_DECL genType mask(genType Bits);
template <typename genIUType>
GLM_FUNC_DECL genIUType mask(genIUType Bits);
/// Build a mask of 'count' bits
///
/// @see gtc_bitfield
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<T, P> mask(vecType<T, P> const & v);
template <typename T, precision P, template <typename, precision> class vecIUType>
GLM_FUNC_DECL vecIUType<T, P> mask(vecIUType<T, P> const & v);
/// Rotate all bits to the right. All the bits dropped in the right side are inserted back on the left side.
///

12
glm/gtc/bitfield.inl
View File

@@ -245,16 +245,16 @@ namespace detail
}
}//namespace detail
template <typename genType>
GLM_FUNC_QUALIFIER genType mask(genType Bits)
template <typename genIUType>
GLM_FUNC_QUALIFIER genIUType mask(genIUType Bits)
{
GLM_STATIC_ASSERT(std::numeric_limits<genIType>::is_integer, "'mask' accepts only integer values");
GLM_STATIC_ASSERT(std::numeric_limits<genIUType>::is_integer, "'mask' accepts only integer values");
return ~((~static_cast<genType>(0)) << Bits);
return ~((~static_cast<genIUType>(0)) << Bits);
}
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> mask(vecType<T, P> const & v)
template <typename T, precision P, template <typename, precision> class vecIUType>
GLM_FUNC_QUALIFIER vecIUType<T, P> mask(vecIUType<T, P> const & v)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'mask' accepts only integer values");