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Fixed glm::log2<int>() returns wrong value, missing static assert #683

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This commit is contained in:
Christophe Riccio 2017-09-20 14:17:42 +02:00
parent 5606dd1aac
commit 1bf24f8344
3 changed files with 3 additions and 10 deletions
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2
glm/detail/func_exponential.inl
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@ -25,6 +25,8 @@ namespace detail
{ {
GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v) GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'log2' only accept floating-point inputs. Include <glm/gtc/integer.hpp> for integer inputs.");
return detail::functor1<L, T, T, Q>::call(log2, v); return detail::functor1<L, T, T, Q>::call(log2, v);
} }
}; };

9
glm/gtc/integer.hpp
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@ -35,15 +35,6 @@ namespace glm
template<typename genIUType> template<typename genIUType>
GLM_FUNC_DECL genIUType log2(genIUType x); GLM_FUNC_DECL genIUType log2(genIUType x);
template<typename genIUType>
GLM_FUNC_DECL genIUType mod(genIUType x, genIUType y);
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> mod(vec<L, T, Q> const& x, T y);
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> mod(vec<L, T, Q> const& x, vec<L, T, Q> const& y);
/// Returns a value equal to the nearest integer to x. /// Returns a value equal to the nearest integer to x.
/// The fraction 0.5 will round in a direction chosen by the /// The fraction 0.5 will round in a direction chosen by the
/// implementation, presumably the direction that is fastest. /// implementation, presumably the direction that is fastest.

2
test/gtc/gtc_integer.cpp
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@ -26,7 +26,7 @@ namespace log2_
glm::ivec3 D0(glm::log2(glm::vec3(16.f))); glm::ivec3 D0(glm::log2(glm::vec3(16.f)));
glm::ivec4 E0(glm::log2(glm::vec4(16.f))); glm::ivec4 E0(glm::log2(glm::vec4(16.f)));
int A1 = glm::log2(int(16)); int A1 = glm::log2(int(1024));
glm::ivec1 B1 = glm::log2(glm::ivec1(16)); glm::ivec1 B1 = glm::log2(glm::ivec1(16));
glm::ivec2 C1 = glm::log2(glm::ivec2(16)); glm::ivec2 C1 = glm::log2(glm::ivec2(16));
glm::ivec3 D1 = glm::log2(glm::ivec3(16)); glm::ivec3 D1 = glm::log2(glm::ivec3(16));