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Added vec2 cross #621
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glm/gtx/exterior_product.hpp
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glm/gtx/exterior_product.hpp
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/// @ref gtx_exterior_product
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/// @file glm/gtx/exterior_product.hpp
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///
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/// @see core (dependence)
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/// @see gtx_exterior_product (dependence)
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///
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/// @defgroup gtx_exterior_product GLM_GTX_exterior_product
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/// @ingroup gtx
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///
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/// @brief Allow to perform bit operations on integer values
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///
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/// <glm/gtc/bitfield.hpp> need to be included to use these functionalities.
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#pragma once
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// Dependencies
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#include "../detail/setup.hpp"
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#include "../detail/precision.hpp"
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#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
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# pragma message("GLM: GLM_GTX_exterior_product extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtx_exterior_product
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/// @{
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/// Returns the cross product of x and y.
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///
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/// @tparam valType Floating-point scalar types.
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///
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/// @see <a href="https://en.wikipedia.org/wiki/Exterior_algebra#Cross_and_triple_products">Exterior product</a>
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template<typename T, precision P>
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GLM_FUNC_DECL T cross(vec<2, T, P> const& v, vec<2, T, P> const& u);
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/// @}
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} //namespace glm
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#include "exterior_product.inl"
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glm/gtx/exterior_product.inl
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glm/gtx/exterior_product.inl
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/// @ref core
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/// @file glm/detail/func_geometric.inl
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#include <limits>
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namespace glm {
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namespace detail
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{
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template<typename T, precision P, bool Aligned>
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struct compute_cross_vec2
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{
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GLM_FUNC_QUALIFIER static T call(vec<2, T, P> const& v, vec<2, T, P> const& u)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'cross' accepts only floating-point inputs");
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return v.x * u.y - u.x * v.y;
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}
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};
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}//namespace detail
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template<typename T, precision P>
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GLM_FUNC_QUALIFIER T cross(vec<2, T, P> const & x, vec<2, T, P> const & y)
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{
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return detail::compute_cross_vec2<T, P, detail::is_aligned<P>::value>::call(x, y);
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}
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}//namespace glm
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@ -56,6 +56,7 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
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- Added RGBM encoding in GTC_packing #420
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- Added GTX_color_encoding extension
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- Added GTX_vec_swizzle, faster compile time swizzling then swizzle operator #558
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- Added GTX_exterior_product with a vec2 cross implementation #621
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- Added [GLM_ENABLE_EXPERIMENTAL](manual.md#section7_4) to enable experimental features.
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#### Improvements:
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@ -9,6 +9,7 @@ glmCreateTestGTC(gtx_component_wise)
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glmCreateTestGTC(gtx_euler_angle)
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glmCreateTestGTC(gtx_extend)
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glmCreateTestGTC(gtx_extended_min_max)
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glmCreateTestGTC(gtx_exterior_product)
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glmCreateTestGTC(gtx_fast_exponential)
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glmCreateTestGTC(gtx_fast_square_root)
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glmCreateTestGTC(gtx_fast_trigonometry)
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test/gtx/gtx_exterior_product.cpp
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test/gtx/gtx_exterior_product.cpp
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#include <glm/gtx/exterior_product.hpp>
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#include <glm/gtc/epsilon.hpp>
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#include <glm/vec2.hpp>
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int main()
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{
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int Error = 0;
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float const f = glm::cross(glm::vec2(1.0f, 1.0f), glm::vec2(1.0f, 1.0f));
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Error += glm::epsilonEqual(f, 0.0f, 0.001f) ? 0 : 1;
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return Error;
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}
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