You must have the Intel® C++ Compiler version 4.0 or higher installed on your system to use the class libraries. The Intel® C++ Class Libraries are functions abstracted from the instruction extensions available on Intel processors as specified in the table that follows.
| Header File | Extension Set | Available on These Processors |
|---|---|---|
| ivec.h | MMX(TM) technology | Pentium® with MMX(TM) technology, Pentium II, Pentium III, Pentium 4, Intel® Xeon(TM), and Itanium® processors |
| fvec.h | Streaming SIMD Extensions | Pentium III, Pentium 4, Intel Xeon, and Itanium processors |
| dvec.h | Streaming SIMD Extensions 2 | Pentium 4 and Intel Xeon processors |