This functionality is used in multiple places in Qt itself, so it makes sense to have a global function for this. This also allows to map this onto specialized assembler instructions, should an architecture provide them, later on. Also added comprehensive tests, using a 4-bit lookup-table implementation as a reference. Change-Id: I8c4ea72cce54506ebb9fbe61141dbb5f1b7a660f Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com> |
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| qalgorithms.pro | ||
| tst_qalgorithms.cpp | ||