Draft: TrkGeometry: Work around spurious FPE with clang.
Rearrange Material::scale so that we write only one division. This prevents clang from vectorizing the multiple divisions, possibly leading to a div-by-zero FPE in unused vector lanes.
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Rearrange Material::scale so that we write only one division. This prevents clang from vectorizing the multiple divisions, possibly leading to a div-by-zero FPE in unused vector lanes.