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Added initial work for integer vector and scalar functions

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This commit is contained in:
Christophe Riccio 2019-04-26 18:32:06 +02:00
parent fce2abd01c
commit 07c6d56b5f
9 changed files with 1386 additions and 3 deletions
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78
glm/ext/scalar_integer.hpp Normal file
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/// @ref ext_scalar_integer
/// @file glm/ext/scalar_integer.hpp
///
/// @see core (dependence)
/// @see ext_vector_integer (dependence)
///
/// @defgroup gtc_round GLM_EXT_scalar_integer
/// @ingroup ext
///
/// Include <glm/ext/scalar_integer.hpp> to use the features of this extension.
#pragma once
// Dependencies
#include "../detail/setup.hpp"
#include "../detail/qualifier.hpp"
#include "../detail/_vectorize.hpp"
#include "../vector_relational.hpp"
#include "../common.hpp"
#include <limits>
#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_EXT_scalar_integer extension included")
#endif
namespace glm
{
/// @addtogroup ext_scalar_integer
/// @{
/// Return true if the value is a power of two number.
template<typename genIUType>
GLM_FUNC_DECL bool isPowerOfTwo(genIUType v);
/// Return the power of two number which value is just higher the input value,
/// round up to a power of two.
template<typename genIUType>
GLM_FUNC_DECL genIUType nextPowerOfTwo(genIUType v);
/// Return the power of two number which value is just lower the input value,
/// round down to a power of two.
///
/// @see gtc_round
template<typename genIUType>
GLM_FUNC_DECL genIUType prevPowerOfTwo(genIUType v);
/// Return true if the 'Value' is a multiple of 'Multiple'.
///
/// @see gtc_round
template<typename genIUType>
GLM_FUNC_DECL bool isMultiple(genIUType v, genIUType Multiple);
/// Higher multiple number of Source.
///
/// @tparam genType Floating-point or integer scalar or vector types.
///
/// @param v Source value to which is applied the function
/// @param Multiple Must be a null or positive value
///
/// @see gtc_round
template<typename genIUType>
GLM_FUNC_DECL genIUType nextMultiple(genIUType v, genIUType Multiple);
/// Lower multiple number of Source.
///
/// @tparam genType Floating-point or integer scalar or vector types.
///
/// @param v Source value to which is applied the function
/// @param Multiple Must be a null or positive value
///
/// @see gtc_round
template<typename genIUType>
GLM_FUNC_DECL genIUType prevMultiple(genIUType v, genIUType Multiple);
/// @}
} //namespace glm
#include "scalar_integer.inl"

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#include "../integer.hpp"
namespace glm{
namespace detail
{
template<length_t L, typename T, qualifier Q, bool compute = false>
struct compute_ceilShift
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v, T)
{
return v;
}
};
template<length_t L, typename T, qualifier Q>
struct compute_ceilShift<L, T, Q, true>
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v, T Shift)
{
return v | (v >> Shift);
}
};
template<length_t L, typename T, qualifier Q, bool isSigned = true>
struct compute_ceilPowerOfTwo
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x)
{
GLM_STATIC_ASSERT(!std::numeric_limits<T>::is_iec559, "'ceilPowerOfTwo' only accept integer scalar or vector inputs");
vec<L, T, Q> const Sign(sign(x));
vec<L, T, Q> v(abs(x));
v = v - static_cast<T>(1);
v = v | (v >> static_cast<T>(1));
v = v | (v >> static_cast<T>(2));
v = v | (v >> static_cast<T>(4));
v = compute_ceilShift<L, T, Q, sizeof(T) >= 2>::call(v, 8);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 4>::call(v, 16);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 8>::call(v, 32);
return (v + static_cast<T>(1)) * Sign;
}
};
template<length_t L, typename T, qualifier Q>
struct compute_ceilPowerOfTwo<L, T, Q, false>
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x)
{
GLM_STATIC_ASSERT(!std::numeric_limits<T>::is_iec559, "'ceilPowerOfTwo' only accept integer scalar or vector inputs");
vec<L, T, Q> v(x);
v = v - static_cast<T>(1);
v = v | (v >> static_cast<T>(1));
v = v | (v >> static_cast<T>(2));
v = v | (v >> static_cast<T>(4));
v = compute_ceilShift<L, T, Q, sizeof(T) >= 2>::call(v, 8);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 4>::call(v, 16);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 8>::call(v, 32);
return v + static_cast<T>(1);
}
};
template<bool is_float, bool is_signed>
struct compute_ceilMultiple{};
template<>
struct compute_ceilMultiple<true, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source > genType(0))
return Source + (Multiple - std::fmod(Source, Multiple));
else
return Source + std::fmod(-Source, Multiple);
}
};
template<>
struct compute_ceilMultiple<false, false>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
genType Tmp = Source - genType(1);
return Tmp + (Multiple - (Tmp % Multiple));
}
};
template<>
struct compute_ceilMultiple<false, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source > genType(0))
{
genType Tmp = Source - genType(1);
return Tmp + (Multiple - (Tmp % Multiple));
}
else
return Source + (-Source % Multiple);
}
};
template<bool is_float, bool is_signed>
struct compute_floorMultiple{};
template<>
struct compute_floorMultiple<true, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - std::fmod(Source, Multiple);
else
return Source - std::fmod(Source, Multiple) - Multiple;
}
};
template<>
struct compute_floorMultiple<false, false>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - Source % Multiple;
else
{
genType Tmp = Source + genType(1);
return Tmp - Tmp % Multiple - Multiple;
}
}
};
template<>
struct compute_floorMultiple<false, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - Source % Multiple;
else
{
genType Tmp = Source + genType(1);
return Tmp - Tmp % Multiple - Multiple;
}
}
};
}//namespace detail
template<typename genIUType>
GLM_FUNC_QUALIFIER bool isPowerOfTwo(genIUType Value)
{
genIUType const Result = glm::abs(Value);
return !(Result & (Result - 1));
}
template<typename genIUType>
GLM_FUNC_QUALIFIER genIUType nextPowerOfTwo(genIUType value)
{
return detail::compute_ceilPowerOfTwo<1, genIUType, defaultp, std::numeric_limits<genIUType>::is_signed>::call(vec<1, genIUType, defaultp>(value)).x;
}
template<typename genIUType>
GLM_FUNC_QUALIFIER genIUType prevPowerOfTwo(genIUType value)
{
return isPowerOfTwo(value) ? value : static_cast<genIUType>(1) << findMSB(value);
}
template<typename genIUType>
GLM_FUNC_QUALIFIER bool isMultiple(genIUType Value, genIUType Multiple)
{
return isMultiple(vec<1, genIUType>(Value), vec<1, genIUType>(Multiple)).x;
}
template<typename genIUType>
GLM_FUNC_QUALIFIER genIUType nextMultiple(genIUType Source, genIUType Multiple)
{
return detail::compute_ceilMultiple<std::numeric_limits<genIUType>::is_iec559, std::numeric_limits<genIUType>::is_signed>::call(Source, Multiple);
}
template<typename genIUType>
GLM_FUNC_QUALIFIER genIUType prevMultiple(genIUType Source, genIUType Multiple)
{
return detail::compute_floorMultiple<std::numeric_limits<genIUType>::is_iec559, std::numeric_limits<genIUType>::is_signed>::call(Source, Multiple);
}
}//namespace glm

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/// @ref ext_vector_integer
/// @file glm/ext/vector_integer.hpp
///
/// @see core (dependence)
/// @see ext_vector_integer (dependence)
///
/// @defgroup gtc_round GLM_EXT_vector_integer
/// @ingroup ext
///
/// Include <glm/ext/vector_integer.hpp> to use the features of this extension.
#pragma once
// Dependencies
#include "../detail/setup.hpp"
#include "../detail/qualifier.hpp"
#include "../detail/_vectorize.hpp"
#include "../vector_relational.hpp"
#include "../common.hpp"
#include <limits>
#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_EXT_vector_integer extension included")
#endif
namespace glm
{
/// @addtogroup ext_vector_integer
/// @{
/// Return true if the value is a power of two number.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, bool, Q> isPowerOfTwo(vec<L, T, Q> const& v);
/// Return the power of two number which value is just higher the input value,
/// round up to a power of two.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> nextPowerOfTwo(vec<L, T, Q> const& v);
/// Return the power of two number which value is just lower the input value,
/// round down to a power of two.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> prevPowerOfTwo(vec<L, T, Q> const& v);
/// Return true if the 'Value' is a multiple of 'Multiple'.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, bool, Q> isMultiple(vec<L, T, Q> const& v, T Multiple);
/// Return true if the 'Value' is a multiple of 'Multiple'.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, bool, Q> isMultiple(vec<L, T, Q> const& v, vec<L, T, Q> const& Multiple);
/// Higher multiple number of Source.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
///
/// @param v Source values to which is applied the function
/// @param Multiple Must be a null or positive value
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> nextMultiple(vec<L, T, Q> const& v, T Multiple);
/// Higher multiple number of Source.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
///
/// @param v Source values to which is applied the function
/// @param Multiple Must be a null or positive value
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> nextMultiple(vec<L, T, Q> const& v, vec<L, T, Q> const& Multiple);
/// Lower multiple number of Source.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
///
/// @param v Source values to which is applied the function
/// @param Multiple Must be a null or positive value
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> prevMultiple(vec<L, T, Q> const& v, T const& Multiple);
/// Lower multiple number of Source.
///
/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
/// @tparam T Floating-point or integer scalar types
/// @tparam Q Value from qualifier enum
///
/// @param v Source values to which is applied the function
/// @param Multiple Must be a null or positive value
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> prevMultiple(vec<L, T, Q> const& v, vec<L, T, Q> const& Multiple);
/// @}
} //namespace glm
#include "vector_integer.inl"

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/// @ref gtc_round
#include "../integer.hpp"
namespace glm{
namespace detail
{
template<length_t L, typename T, qualifier Q, bool compute = false>
struct compute_ceilShift
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v, T)
{
return v;
}
};
template<length_t L, typename T, qualifier Q>
struct compute_ceilShift<L, T, Q, true>
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v, T Shift)
{
return v | (v >> Shift);
}
};
template<length_t L, typename T, qualifier Q, bool isSigned = true>
struct compute_ceilPowerOfTwo
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x)
{
GLM_STATIC_ASSERT(!std::numeric_limits<T>::is_iec559, "'ceilPowerOfTwo' only accept integer scalar or vector inputs");
vec<L, T, Q> const Sign(sign(x));
vec<L, T, Q> v(abs(x));
v = v - static_cast<T>(1);
v = v | (v >> static_cast<T>(1));
v = v | (v >> static_cast<T>(2));
v = v | (v >> static_cast<T>(4));
v = compute_ceilShift<L, T, Q, sizeof(T) >= 2>::call(v, 8);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 4>::call(v, 16);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 8>::call(v, 32);
return (v + static_cast<T>(1)) * Sign;
}
};
template<length_t L, typename T, qualifier Q>
struct compute_ceilPowerOfTwo<L, T, Q, false>
{
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x)
{
GLM_STATIC_ASSERT(!std::numeric_limits<T>::is_iec559, "'ceilPowerOfTwo' only accept integer scalar or vector inputs");
vec<L, T, Q> v(x);
v = v - static_cast<T>(1);
v = v | (v >> static_cast<T>(1));
v = v | (v >> static_cast<T>(2));
v = v | (v >> static_cast<T>(4));
v = compute_ceilShift<L, T, Q, sizeof(T) >= 2>::call(v, 8);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 4>::call(v, 16);
v = compute_ceilShift<L, T, Q, sizeof(T) >= 8>::call(v, 32);
return v + static_cast<T>(1);
}
};
template<bool is_float, bool is_signed>
struct compute_ceilMultiple{};
template<>
struct compute_ceilMultiple<true, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source > genType(0))
return Source + (Multiple - std::fmod(Source, Multiple));
else
return Source + std::fmod(-Source, Multiple);
}
};
template<>
struct compute_ceilMultiple<false, false>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
genType Tmp = Source - genType(1);
return Tmp + (Multiple - (Tmp % Multiple));
}
};
template<>
struct compute_ceilMultiple<false, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source > genType(0))
{
genType Tmp = Source - genType(1);
return Tmp + (Multiple - (Tmp % Multiple));
}
else
return Source + (-Source % Multiple);
}
};
template<bool is_float, bool is_signed>
struct compute_floorMultiple{};
template<>
struct compute_floorMultiple<true, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - std::fmod(Source, Multiple);
else
return Source - std::fmod(Source, Multiple) - Multiple;
}
};
template<>
struct compute_floorMultiple<false, false>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - Source % Multiple;
else
{
genType Tmp = Source + genType(1);
return Tmp - Tmp % Multiple - Multiple;
}
}
};
template<>
struct compute_floorMultiple<false, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - Source % Multiple;
else
{
genType Tmp = Source + genType(1);
return Tmp - Tmp % Multiple - Multiple;
}
}
};
template<bool is_float, bool is_signed>
struct compute_roundMultiple{};
template<>
struct compute_roundMultiple<true, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - std::fmod(Source, Multiple);
else
{
genType Tmp = Source + genType(1);
return Tmp - std::fmod(Tmp, Multiple) - Multiple;
}
}
};
template<>
struct compute_roundMultiple<false, false>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - Source % Multiple;
else
{
genType Tmp = Source + genType(1);
return Tmp - Tmp % Multiple - Multiple;
}
}
};
template<>
struct compute_roundMultiple<false, true>
{
template<typename genType>
GLM_FUNC_QUALIFIER static genType call(genType Source, genType Multiple)
{
if(Source >= genType(0))
return Source - Source % Multiple;
else
{
genType Tmp = Source + genType(1);
return Tmp - Tmp % Multiple - Multiple;
}
}
};
}//namespace detail
////////////////
// isPowerOfTwo
template<typename genType>
GLM_FUNC_QUALIFIER bool isPowerOfTwo(genType Value)
{
genType const Result = glm::abs(Value);
return !(Result & (Result - 1));
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, bool, Q> isPowerOfTwo(vec<L, T, Q> const& Value)
{
vec<L, T, Q> const Result(abs(Value));
return equal(Result & (Result - 1), vec<L, T, Q>(0));
}
//////////////////
// ceilPowerOfTwo
template<typename genType>
GLM_FUNC_QUALIFIER genType ceilPowerOfTwo(genType value)
{
return detail::compute_ceilPowerOfTwo<1, genType, defaultp, std::numeric_limits<genType>::is_signed>::call(vec<1, genType, defaultp>(value)).x;
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> ceilPowerOfTwo(vec<L, T, Q> const& v)
{
return detail::compute_ceilPowerOfTwo<L, T, Q, std::numeric_limits<T>::is_signed>::call(v);
}
///////////////////
// floorPowerOfTwo
template<typename genType>
GLM_FUNC_QUALIFIER genType floorPowerOfTwo(genType value)
{
return isPowerOfTwo(value) ? value : static_cast<genType>(1) << findMSB(value);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> floorPowerOfTwo(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(floorPowerOfTwo, v);
}
///////////////////
// roundPowerOfTwo
template<typename genIUType>
GLM_FUNC_QUALIFIER genIUType roundPowerOfTwo(genIUType value)
{
if(isPowerOfTwo(value))
return value;
genIUType const prev = static_cast<genIUType>(1) << findMSB(value);
genIUType const next = prev << static_cast<genIUType>(1);
return (next - value) < (value - prev) ? next : prev;
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> roundPowerOfTwo(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(roundPowerOfTwo, v);
}
////////////////
// isMultiple
template<typename genType>
GLM_FUNC_QUALIFIER bool isMultiple(genType Value, genType Multiple)
{
return isMultiple(vec<1, genType>(Value), vec<1, genType>(Multiple)).x;
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, bool, Q> isMultiple(vec<L, T, Q> const& Value, T Multiple)
{
return (Value % Multiple) == vec<L, T, Q>(0);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, bool, Q> isMultiple(vec<L, T, Q> const& Value, vec<L, T, Q> const& Multiple)
{
return (Value % Multiple) == vec<L, T, Q>(0);
}
//////////////////////
// ceilMultiple
template<typename genType>
GLM_FUNC_QUALIFIER genType ceilMultiple(genType Source, genType Multiple)
{
return detail::compute_ceilMultiple<std::numeric_limits<genType>::is_iec559, std::numeric_limits<genType>::is_signed>::call(Source, Multiple);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> ceilMultiple(vec<L, T, Q> const& Source, vec<L, T, Q> const& Multiple)
{
return detail::functor2<vec, L, T, Q>::call(ceilMultiple, Source, Multiple);
}
//////////////////////
// floorMultiple
template<typename genType>
GLM_FUNC_QUALIFIER genType floorMultiple(genType Source, genType Multiple)
{
return detail::compute_floorMultiple<std::numeric_limits<genType>::is_iec559, std::numeric_limits<genType>::is_signed>::call(Source, Multiple);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> floorMultiple(vec<L, T, Q> const& Source, vec<L, T, Q> const& Multiple)
{
return detail::functor2<vec, L, T, Q>::call(floorMultiple, Source, Multiple);
}
//////////////////////
// roundMultiple
template<typename genType>
GLM_FUNC_QUALIFIER genType roundMultiple(genType Source, genType Multiple)
{
return detail::compute_roundMultiple<std::numeric_limits<genType>::is_iec559, std::numeric_limits<genType>::is_signed>::call(Source, Multiple);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> roundMultiple(vec<L, T, Q> const& Source, vec<L, T, Q> const& Multiple)
{
return detail::functor2<vec, L, T, Q>::call(roundMultiple, Source, Multiple);
}
}//namespace glm

2
glm/gtc/round.hpp
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@ -22,7 +22,7 @@
#include <limits>
#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_GTC_integer extension included")
# pragma message("GLM: GLM_GTC_round extension included")
#endif
namespace glm

2
test/ext/CMakeLists.txt
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@ -12,6 +12,7 @@ glmCreateTestGTC(ext_scalar_common)
glmCreateTestGTC(ext_scalar_constants)
glmCreateTestGTC(ext_scalar_int_sized)
glmCreateTestGTC(ext_scalar_uint_sized)
glmCreateTestGTC(ext_scalar_integer)
glmCreateTestGTC(ext_scalar_ulp)
glmCreateTestGTC(ext_scalar_relational)
glmCreateTestGTC(ext_vec1)
@ -19,6 +20,7 @@ glmCreateTestGTC(ext_vector_bool1)
glmCreateTestGTC(ext_vector_common)
glmCreateTestGTC(ext_vector_iec559)
glmCreateTestGTC(ext_vector_integer)
glmCreateTestGTC(ext_vector_integer_sized)
glmCreateTestGTC(ext_vector_relational)
glmCreateTestGTC(ext_vector_ulp)

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test/ext/ext_scalar_integer.cpp Normal file
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#include <glm/ext/scalar_integer.hpp>
#include <glm/ext/scalar_int_sized.hpp>
#include <glm/ext/scalar_uint_sized.hpp>
#include <vector>
#include <ctime>
#include <cstdio>
namespace isPowerOfTwo
{
template<typename genType>
struct type
{
genType Value;
bool Return;
};
int test_int16()
{
type<glm::int16> const Data[] =
{
{0x0001, true},
{0x0002, true},
{0x0004, true},
{0x0080, true},
{0x0000, true},
{0x0003, false}
};
int Error = 0;
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::int16>); i < n; ++i)
{
bool Result = glm::isPowerOfTwo(Data[i].Value);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int test_uint16()
{
type<glm::uint16> const Data[] =
{
{0x0001, true},
{0x0002, true},
{0x0004, true},
{0x0000, true},
{0x0000, true},
{0x0003, false}
};
int Error = 0;
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::uint16>); i < n; ++i)
{
bool Result = glm::isPowerOfTwo(Data[i].Value);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int test_int32()
{
type<int> const Data[] =
{
{0x00000001, true},
{0x00000002, true},
{0x00000004, true},
{0x0000000f, false},
{0x00000000, true},
{0x00000003, false}
};
int Error = 0;
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<int>); i < n; ++i)
{
bool Result = glm::isPowerOfTwo(Data[i].Value);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int test_uint32()
{
type<glm::uint> const Data[] =
{
{0x00000001, true},
{0x00000002, true},
{0x00000004, true},
{0x80000000, true},
{0x00000000, true},
{0x00000003, false}
};
int Error = 0;
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::uint>); i < n; ++i)
{
bool Result = glm::isPowerOfTwo(Data[i].Value);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int test()
{
int Error = 0;
Error += test_int16();
Error += test_uint16();
Error += test_int32();
Error += test_uint32();
return Error;
}
}//isPowerOfTwo
namespace nextPowerOfTwo_advanced
{
template<typename genIUType>
GLM_FUNC_QUALIFIER genIUType highestBitValue(genIUType Value)
{
genIUType tmp = Value;
genIUType result = genIUType(0);
while(tmp)
{
result = (tmp & (~tmp + 1)); // grab lowest bit
tmp &= ~result; // clear lowest bit
}
return result;
}
template<typename genType>
GLM_FUNC_QUALIFIER genType nextPowerOfTwo_loop(genType value)
{
return glm::isPowerOfTwo(value) ? value : highestBitValue(value) << 1;
}
template<typename genType>
struct type
{
genType Value;
genType Return;
};
int test_int32()
{
type<glm::int32> const Data[] =
{
{0x0000ffff, 0x00010000},
{-3, -4},
{-8, -8},
{0x00000001, 0x00000001},
{0x00000002, 0x00000002},
{0x00000004, 0x00000004},
{0x00000007, 0x00000008},
{0x0000fff0, 0x00010000},
{0x0000f000, 0x00010000},
{0x08000000, 0x08000000},
{0x00000000, 0x00000000},
{0x00000003, 0x00000004}
};
int Error(0);
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::int32>); i < n; ++i)
{
glm::int32 Result = glm::nextPowerOfTwo(Data[i].Value);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int test_uint32()
{
type<glm::uint32> const Data[] =
{
{0x00000001, 0x00000001},
{0x00000002, 0x00000002},
{0x00000004, 0x00000004},
{0x00000007, 0x00000008},
{0x0000ffff, 0x00010000},
{0x0000fff0, 0x00010000},
{0x0000f000, 0x00010000},
{0x80000000, 0x80000000},
{0x00000000, 0x00000000},
{0x00000003, 0x00000004}
};
int Error(0);
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::uint32>); i < n; ++i)
{
glm::uint32 Result = glm::nextPowerOfTwo(Data[i].Value);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int perf()
{
int Error(0);
std::vector<glm::uint> v;
v.resize(100000000);
std::clock_t Timestramp0 = std::clock();
for(glm::uint32 i = 0, n = static_cast<glm::uint>(v.size()); i < n; ++i)
v[i] = nextPowerOfTwo_loop(i);
std::clock_t Timestramp1 = std::clock();
for(glm::uint32 i = 0, n = static_cast<glm::uint>(v.size()); i < n; ++i)
v[i] = glm::nextPowerOfTwo(i);
std::clock_t Timestramp2 = std::clock();
std::printf("nextPowerOfTwo_loop: %d clocks\n", static_cast<int>(Timestramp1 - Timestramp0));
std::printf("glm::nextPowerOfTwo: %d clocks\n", static_cast<int>(Timestramp2 - Timestramp1));
return Error;
}
int test()
{
int Error(0);
Error += test_int32();
Error += test_uint32();
return Error;
}
}//namespace nextPowerOfTwo_advanced
namespace prevPowerOfTwo
{
template <typename T>
int run()
{
int Error = 0;
T const A = glm::prevPowerOfTwo(static_cast<T>(7));
Error += A == static_cast<T>(4) ? 0 : 1;
T const B = glm::prevPowerOfTwo(static_cast<T>(15));
Error += B == static_cast<T>(8) ? 0 : 1;
T const C = glm::prevPowerOfTwo(static_cast<T>(31));
Error += C == static_cast<T>(16) ? 0 : 1;
T const D = glm::prevPowerOfTwo(static_cast<T>(32));
Error += D == static_cast<T>(32) ? 0 : 1;
return Error;
}
int test()
{
int Error = 0;
Error += run<glm::int8>();
Error += run<glm::int16>();
Error += run<glm::int32>();
Error += run<glm::int64>();
Error += run<glm::uint8>();
Error += run<glm::uint16>();
Error += run<glm::uint32>();
Error += run<glm::uint64>();
return Error;
}
}//namespace prevPowerOfTwo
namespace nextPowerOfTwo
{
template <typename T>
int run()
{
int Error = 0;
T const A = glm::nextPowerOfTwo(static_cast<T>(7));
Error += A == static_cast<T>(8) ? 0 : 1;
T const B = glm::nextPowerOfTwo(static_cast<T>(15));
Error += B == static_cast<T>(16) ? 0 : 1;
T const C = glm::nextPowerOfTwo(static_cast<T>(31));
Error += C == static_cast<T>(32) ? 0 : 1;
T const D = glm::nextPowerOfTwo(static_cast<T>(32));
Error += D == static_cast<T>(32) ? 0 : 1;
return Error;
}
int test()
{
int Error = 0;
Error += run<glm::int8>();
Error += run<glm::int16>();
Error += run<glm::int32>();
Error += run<glm::int64>();
Error += run<glm::uint8>();
Error += run<glm::uint16>();
Error += run<glm::uint32>();
Error += run<glm::uint64>();
return Error;
}
}//namespace nextPowerOfTwo
namespace prevMultiple
{
template<typename genIUType>
struct type
{
genIUType Source;
genIUType Multiple;
genIUType Return;
};
template <typename T>
int run()
{
type<T> const Data[] =
{
{8, 3, 6},
{7, 7, 7}
};
int Error = 0;
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<T>); i < n; ++i)
{
T const Result = glm::prevMultiple(Data[i].Source, Data[i].Multiple);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int test()
{
int Error = 0;
Error += run<glm::int8>();
Error += run<glm::int16>();
Error += run<glm::int32>();
Error += run<glm::int64>();
Error += run<glm::uint8>();
Error += run<glm::uint16>();
Error += run<glm::uint32>();
Error += run<glm::uint64>();
return Error;
}
}//namespace prevMultiple
namespace nextMultiple
{
template<typename genIUType>
struct type
{
genIUType Source;
genIUType Multiple;
genIUType Return;
};
template <typename T>
int run()
{
type<T> const Data[] =
{
{ 8, 3, 6 },
{ 7, 7, 7 }
};
int Error = 0;
for(std::size_t i = 0, n = sizeof(Data) / sizeof(type<T>); i < n; ++i)
{
T const Result = glm::nextMultiple(Data[i].Source, Data[i].Multiple);
Error += Data[i].Return == Result ? 0 : 1;
}
return Error;
}
int test()
{
int Error = 0;
Error += run<glm::int8>();
Error += run<glm::int16>();
Error += run<glm::int32>();
Error += run<glm::int64>();
Error += run<glm::uint8>();
Error += run<glm::uint16>();
Error += run<glm::uint32>();
Error += run<glm::uint64>();
return Error;
}
}//namespace nextMultiple
int main()
{
int Error(0);
Error += isPowerOfTwo::test();
Error += prevPowerOfTwo::test();
Error += nextPowerOfTwo::test();
Error += nextPowerOfTwo_advanced::test();
# ifdef NDEBUG
Error += nextPowerOfTwo_advanced::perf();
# endif//NDEBUG
Error += prevMultiple::test();
Error += nextMultiple::test();
return Error;
}

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test/ext/ext_vector_integer.cpp
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#include <glm/ext/vector_integer.hpp>
#include <glm/ext/vector_int1.hpp>
#include <glm/ext/vector_int1_precision.hpp>
#include <glm/ext/vector_int2.hpp>
#include <glm/ext/vector_int3.hpp>
#include <glm/ext/vector_int4.hpp>
#include <glm/ext/vector_uint1.hpp>
#include <glm/ext/vector_uint1_precision.hpp>
#include <glm/ext/vector_uint2.hpp>
#include <glm/ext/vector_uint3.hpp>
#include <glm/ext/vector_uint4.hpp>

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test/ext/ext_vector_integer_sized.cpp Normal file
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#include <glm/ext/vector_int1.hpp>
#include <glm/ext/vector_int1_precision.hpp>
#include <glm/ext/vector_int2.hpp>
#include <glm/ext/vector_int3.hpp>
#include <glm/ext/vector_int4.hpp>
#include <glm/ext/vector_uint1.hpp>
#include <glm/ext/vector_uint1_precision.hpp>
#include <glm/ext/vector_uint2.hpp>
#include <glm/ext/vector_uint3.hpp>
#include <glm/ext/vector_uint4.hpp>
#include <glm/vector_relational.hpp>
template <typename genType>
static int test_operators()
{
int Error = 0;
{
genType const A(1);
genType const B(1);
bool const R = A != B;
bool const S = A == B;
Error += (S && !R) ? 0 : 1;
}
{
genType const A(1);
genType const B(1);
genType const C = A + B;
Error += C == genType(2) ? 0 : 1;
genType const D = A - B;
Error += D == genType(0) ? 0 : 1;
genType const E = A * B;
Error += E == genType(1) ? 0 : 1;
genType const F = A / B;
Error += F == genType(1) ? 0 : 1;
}
{
genType const A(3);
genType const B(2);
genType const C = A % B;
Error += C == genType(1) ? 0 : 1;
}
{
genType const A(1);
genType const B(1);
genType const C(0);
genType const I = A & B;
Error += I == genType(1) ? 0 : 1;
genType const D = A & C;
Error += D == genType(0) ? 0 : 1;
genType const E = A | B;
Error += E == genType(1) ? 0 : 1;
genType const F = A | C;
Error += F == genType(1) ? 0 : 1;
genType const G = A ^ B;
Error += G == genType(0) ? 0 : 1;
genType const H = A ^ C;
Error += H == genType(1) ? 0 : 1;
}
{
genType const A(0);
genType const B(1);
genType const C(2);
genType const D = B << B;
Error += D == genType(2) ? 0 : 1;
genType const E = C >> B;
Error += E == genType(1) ? 0 : 1;
}
return Error;
}
template <typename genType>
static int test_ctor()
{
typedef typename genType::value_type T;
int Error = 0;
genType const A = genType(1);
genType const E(genType(1));
Error += A == E ? 0 : 1;
genType const F(E);
Error += A == F ? 0 : 1;
genType const B = genType(1);
genType const G(glm::vec<2, T>(1));
Error += B == G ? 0 : 1;
genType const H(glm::vec<3, T>(1));
Error += B == H ? 0 : 1;
genType const I(glm::vec<4, T>(1));
Error += B == I ? 0 : 1;
return Error;
}
template <typename genType>
static int test_size()
{
int Error = 0;
Error += sizeof(typename genType::value_type) == sizeof(genType) ? 0 : 1;
Error += genType().length() == 1 ? 0 : 1;
Error += genType::length() == 1 ? 0 : 1;
return Error;
}
template <typename genType>
static int test_relational()
{
int Error = 0;
genType const A(1);
genType const B(1);
genType const C(0);
Error += A == B ? 0 : 1;
Error += A != C ? 0 : 1;
Error += all(equal(A, B)) ? 0 : 1;
Error += any(notEqual(A, C)) ? 0 : 1;
return Error;
}
template <typename genType>
static int test_constexpr()
{
# if GLM_CONFIG_CONSTEXP == GLM_ENABLE
static_assert(genType::length() == 1, "GLM: Failed constexpr");
static_assert(genType(1)[0] == 1, "GLM: Failed constexpr");
static_assert(genType(1) == genType(1), "GLM: Failed constexpr");
static_assert(genType(1) != genType(0), "GLM: Failed constexpr");
# endif
return 0;
}
int main()
{
int Error = 0;
Error += test_operators<glm::ivec1>();
Error += test_operators<glm::lowp_ivec1>();
Error += test_operators<glm::mediump_ivec1>();
Error += test_operators<glm::highp_ivec1>();
Error += test_ctor<glm::ivec1>();
Error += test_ctor<glm::lowp_ivec1>();
Error += test_ctor<glm::mediump_ivec1>();
Error += test_ctor<glm::highp_ivec1>();
Error += test_size<glm::ivec1>();
Error += test_size<glm::lowp_ivec1>();
Error += test_size<glm::mediump_ivec1>();
Error += test_size<glm::highp_ivec1>();
Error += test_relational<glm::ivec1>();
Error += test_relational<glm::lowp_ivec1>();
Error += test_relational<glm::mediump_ivec1>();
Error += test_relational<glm::highp_ivec1>();
Error += test_constexpr<glm::ivec1>();
Error += test_constexpr<glm::lowp_ivec1>();
Error += test_constexpr<glm::mediump_ivec1>();
Error += test_constexpr<glm::highp_ivec1>();
Error += test_operators<glm::uvec1>();
Error += test_operators<glm::lowp_uvec1>();
Error += test_operators<glm::mediump_uvec1>();
Error += test_operators<glm::highp_uvec1>();
Error += test_ctor<glm::uvec1>();
Error += test_ctor<glm::lowp_uvec1>();
Error += test_ctor<glm::mediump_uvec1>();
Error += test_ctor<glm::highp_uvec1>();
Error += test_size<glm::uvec1>();
Error += test_size<glm::lowp_uvec1>();
Error += test_size<glm::mediump_uvec1>();
Error += test_size<glm::highp_uvec1>();
Error += test_relational<glm::uvec1>();
Error += test_relational<glm::lowp_uvec1>();
Error += test_relational<glm::mediump_uvec1>();
Error += test_relational<glm::highp_uvec1>();
Error += test_constexpr<glm::uvec1>();
Error += test_constexpr<glm::lowp_uvec1>();
Error += test_constexpr<glm::mediump_uvec1>();
Error += test_constexpr<glm::highp_uvec1>();
return Error;
}