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<h2 class="chapter">8 Vectors and Matrices</h2>
<p><a name="index-blocks-842"></a><a name="index-vectors-843"></a><a name="index-matrices-844"></a>
The functions described in this chapter provide a simple vector and
matrix interface to ordinary C arrays. The memory management of these
arrays is implemented using a single underlying type, known as a
block. By writing your functions in terms of vectors and matrices you
can pass a single structure containing both data and dimensions as an
argument without needing additional function parameters. The structures
are compatible with the vector and matrix formats used by <span class="sc">blas</span>
routines.
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