From cc2e40324d884bc0417809980a696a5084e661d7 Mon Sep 17 00:00:00 2001 From: Thales Lima Oliveira Date: Wed, 8 Jul 2020 12:05:44 -0300 Subject: GLM folder changed --- Project/glm/detail/compute_common.hpp | 50 +++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Project/glm/detail/compute_common.hpp (limited to 'Project/glm/detail/compute_common.hpp') diff --git a/Project/glm/detail/compute_common.hpp b/Project/glm/detail/compute_common.hpp new file mode 100644 index 0000000..cc24b9e --- /dev/null +++ b/Project/glm/detail/compute_common.hpp @@ -0,0 +1,50 @@ +#pragma once + +#include "setup.hpp" +#include + +namespace glm{ +namespace detail +{ + template + struct compute_abs + {}; + + template + struct compute_abs + { + GLM_FUNC_QUALIFIER GLM_CONSTEXPR static genFIType call(genFIType x) + { + GLM_STATIC_ASSERT( + std::numeric_limits::is_iec559 || std::numeric_limits::is_signed, + "'abs' only accept floating-point and integer scalar or vector inputs"); + + return x >= genFIType(0) ? x : -x; + // TODO, perf comp with: *(((int *) &x) + 1) &= 0x7fffffff; + } + }; + +#if GLM_COMPILER & GLM_COMPILER_CUDA + template<> + struct compute_abs + { + GLM_FUNC_QUALIFIER GLM_CONSTEXPR static float call(float x) + { + return fabsf(x); + } + }; +#endif + + template + struct compute_abs + { + GLM_FUNC_QUALIFIER GLM_CONSTEXPR static genFIType call(genFIType x) + { + GLM_STATIC_ASSERT( + (!std::numeric_limits::is_signed && std::numeric_limits::is_integer), + "'abs' only accept floating-point and integer scalar or vector inputs"); + return x; + } + }; +}//namespace detail +}//namespace glm -- cgit