diff --git a/doc/doc.tex b/doc/doc.tex index ff895d34..5db42515 100644 --- a/doc/doc.tex +++ b/doc/doc.tex @@ -396,13 +396,13 @@ Later standards will override earlier ones, like so: \subsection{SIMD Support} -GLM provides some SIMD (Single instruction, multiple data) optimizations based on compiler intrinsics. These optimizations will be automatically utilized based on the compiler arguments. For example with Visual C++, if a program is compiled with \verb|/arch:AVX|, GLM will use code paths relying on AVX instructions. +GLM provides some SIMD (Single instruction, multiple data) optimizations based on compiler intrinsics, which will be automatically utilized based on compiler's arguments. For example, if a program is compiled in Visual C++ with \verb|/arch:AVX| set, certain GLM functionality will use AVX instructions. -Furthermore, GLM provides specialized vec4 and mat4 through two extensions, \verb|GLM_GTX_simd_vec4| and \verb|GLM_GTX_simd_mat4|. +In addition, GLM provides specialized \verb|vec4|, \verb|quat|, and \verb|mat4| implementations through the \verb|GLM_GTX_simd_vec4|, \verb|GLM_GTX_simd_quat|, and \verb|GLM_GTX_simd_mat4| extensions. -A programmer can restrict or force instruction sets used by GLM using the following defines: \verb|GLM_FORCE_SSE2|, \verb|GLM_FORCE_SSE3|, \verb|GLM_FORCE_SSE4|, \verb|GLM_FORCE_AVX| or \verb|GLM_FORCE_AVX2|. +A programmer can force GLM to use a particular set of intrinsics with the following defines: \verb|GLM_FORCE_SSE2|, \verb|GLM_FORCE_SSE3|, \verb|GLM_FORCE_SSE4|, \verb|GLM_FORCE_AVX| or \verb|GLM_FORCE_AVX2|. -A programmer can discard the use of intrinsics by defining \verb|GLM_FORCE_PURE| before any inclusion of \verb||. If \verb|GLM_FORCE_PURE| is defined, then including a SIMD extension will generate a compiler error. +Intrinsics may also be disabled entirely by defining \verb|GLM_FORCE_PURE| before any inclusion of \glmheader{glm}. If \verb|GLM_FORCE_PURE| is defined, then including any SIMD extension will generate a compiler error. \begin{cppcode} #define GLM_FORCE_PURE @@ -417,7 +417,7 @@ Useful as \verb|GLM_FORCE_PURE| is, I suggest you enforce this with compiler arg #define GLM_FORCE_AVX2 #include -// Will only compile if the compiler supports AVX2 instrinsics. +// Will only compile if AVX2 intrinsics are supported. \end{cppcode} \subsection{Force Inline}