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< div class = "textblock" > < p > GLM comes very close to replicating GLSL, but it is not exact. Here is a list of differences between GLM and GLSL:< / p >
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< p class = "startli" > Precision qualifiers. In GLSL numeric types can have qualifiers that define the precision of that type. While OpenGL's GLSL ignores these qualifiers, OpenGL ES's version of GLSL uses them.< / p >
< p > C++ has no language equivalent to precision qualifiers. Instead, GLM provides a set of typedefs for each kind of precision qualifier and type. These types can be found in < a class = "el" href = "a00169.html" > their own section< / a > .< / p >
< p class = "endli" > Functions that take types tend to be templated on those types, so they can take these qualified types just as well as the regular ones. < / p >
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