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<link title="Weak" rel="Chapter" href="Weak.html"><title>Bigarray.Array2</title>
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<center><h1>Module <a href="type_Bigarray.Array2.html">Bigarray.Array2</a></h1></center>
<br>
<pre><span class="keyword">module</span> Array2: <code class="code"><span class="keyword">sig</span></code> <a href="Bigarray.Array2.html">..</a> <code class="code"><span class="keyword">end</span></code></pre>Two-dimensional arrays. The <code class="code"><span class="constructor">Array2</span></code> structure provides operations
   similar to those of <a href="Bigarray.Genarray.html"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span></code></a>, but specialized to the
   case of two-dimensional arrays.<br>
<hr width="100%">
<pre><span id="TYPEt"><span class="keyword">type</span> <code class="type">('a, 'b, 'c)</code> t</span> </pre>
<div class="info">
The type of two-dimensional big arrays whose elements have
     Caml type <code class="code"><span class="keywordsign">'</span>a</code>, representation kind <code class="code"><span class="keywordsign">'</span>b</code>, and memory layout <code class="code"><span class="keywordsign">'</span>c</code>.<br>
</div>

<pre><span id="VALcreate"><span class="keyword">val</span> create</span> : <code class="type">('a, 'b) <a href="Bigarray.html#TYPEkind">Bigarray.kind</a> -><br>       'c <a href="Bigarray.html#TYPElayout">Bigarray.layout</a> -> int -> int -> ('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a></code></pre><div class="info">
<code class="code"><span class="constructor">Array2</span>.create kind layout dim1 dim2</code> returns a new bigarray of
     two dimension, whose size is <code class="code">dim1</code> in the first dimension
     and <code class="code">dim2</code> in the second dimension.  <code class="code">kind</code> and <code class="code">layout</code>
     determine the array element kind and the array layout
     as described for <a href="Bigarray.Genarray.html#VALcreate"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.create</code></a>.<br>
</div>
<pre><span id="VALdim1"><span class="keyword">val</span> dim1</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> int</code></pre><div class="info">
Return the first dimension of the given two-dimensional big array.<br>
</div>
<pre><span id="VALdim2"><span class="keyword">val</span> dim2</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> int</code></pre><div class="info">
Return the second dimension of the given two-dimensional big array.<br>
</div>
<pre><span id="VALkind"><span class="keyword">val</span> kind</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> ('a, 'b) <a href="Bigarray.html#TYPEkind">Bigarray.kind</a></code></pre><div class="info">
Return the kind of the given big array.<br>
</div>
<pre><span id="VALlayout"><span class="keyword">val</span> layout</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> 'c <a href="Bigarray.html#TYPElayout">Bigarray.layout</a></code></pre><div class="info">
Return the layout of the given big array.<br>
</div>
<pre><span id="VALget"><span class="keyword">val</span> get</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> int -> int -> 'a</code></pre><div class="info">
<code class="code"><span class="constructor">Array2</span>.get a x y</code>, also written <code class="code">a.{x,y}</code>,
     returns the element of <code class="code">a</code> at coordinates (<code class="code">x</code>, <code class="code">y</code>).
     <code class="code">x</code> and <code class="code">y</code> must be within the bounds
     of <code class="code">a</code>, as described for <a href="Bigarray.Genarray.html#VALget"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.get</code></a>;
     otherwise, <code class="code"><span class="constructor">Invalid_argument</span></code> is raised.<br>
</div>
<pre><span id="VALset"><span class="keyword">val</span> set</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> int -> int -> 'a -> unit</code></pre><div class="info">
<code class="code"><span class="constructor">Array2</span>.set a x y v</code>, or alternatively <code class="code">a.{x,y} &lt;- v</code>,
     stores the value <code class="code">v</code> at coordinates (<code class="code">x</code>, <code class="code">y</code>) in <code class="code">a</code>.
     <code class="code">x</code> and <code class="code">y</code> must be within the bounds of <code class="code">a</code>,
     as described for <a href="Bigarray.Genarray.html#VALset"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.set</code></a>;
     otherwise, <code class="code"><span class="constructor">Invalid_argument</span></code> is raised.<br>
</div>
<pre><span id="VALsub_left"><span class="keyword">val</span> sub_left</span> : <code class="type">('a, 'b, <a href="Bigarray.html#TYPEc_layout">Bigarray.c_layout</a>) <a href="Bigarray.Array2.html#TYPEt">t</a> -><br>       int -> int -> ('a, 'b, <a href="Bigarray.html#TYPEc_layout">Bigarray.c_layout</a>) <a href="Bigarray.Array2.html#TYPEt">t</a></code></pre><div class="info">
Extract a two-dimensional sub-array of the given two-dimensional
     big array by restricting the first dimension.
     See <a href="Bigarray.Genarray.html#VALsub_left"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.sub_left</code></a> for more details.
     <code class="code"><span class="constructor">Array2</span>.sub_left</code> applies only to arrays with C layout.<br>
</div>
<pre><span id="VALsub_right"><span class="keyword">val</span> sub_right</span> : <code class="type">('a, 'b, <a href="Bigarray.html#TYPEfortran_layout">Bigarray.fortran_layout</a>) <a href="Bigarray.Array2.html#TYPEt">t</a> -><br>       int -> int -> ('a, 'b, <a href="Bigarray.html#TYPEfortran_layout">Bigarray.fortran_layout</a>) <a href="Bigarray.Array2.html#TYPEt">t</a></code></pre><div class="info">
Extract a two-dimensional sub-array of the given two-dimensional
     big array by restricting the second dimension.
     See <a href="Bigarray.Genarray.html#VALsub_right"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.sub_right</code></a> for more details.
     <code class="code"><span class="constructor">Array2</span>.sub_right</code> applies only to arrays with Fortran layout.<br>
</div>
<pre><span id="VALslice_left"><span class="keyword">val</span> slice_left</span> : <code class="type">('a, 'b, <a href="Bigarray.html#TYPEc_layout">Bigarray.c_layout</a>) <a href="Bigarray.Array2.html#TYPEt">t</a> -><br>       int -> ('a, 'b, <a href="Bigarray.html#TYPEc_layout">Bigarray.c_layout</a>) <a href="Bigarray.Array1.html#TYPEt">Bigarray.Array1.t</a></code></pre><div class="info">
Extract a row (one-dimensional slice) of the given two-dimensional
     big array.  The integer parameter is the index of the row to
     extract.  See <a href="Bigarray.Genarray.html#VALslice_left"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.slice_left</code></a> for more details.
     <code class="code"><span class="constructor">Array2</span>.slice_left</code> applies only to arrays with C layout.<br>
</div>
<pre><span id="VALslice_right"><span class="keyword">val</span> slice_right</span> : <code class="type">('a, 'b, <a href="Bigarray.html#TYPEfortran_layout">Bigarray.fortran_layout</a>) <a href="Bigarray.Array2.html#TYPEt">t</a> -><br>       int -> ('a, 'b, <a href="Bigarray.html#TYPEfortran_layout">Bigarray.fortran_layout</a>) <a href="Bigarray.Array1.html#TYPEt">Bigarray.Array1.t</a></code></pre><div class="info">
Extract a column (one-dimensional slice) of the given
     two-dimensional big array.  The integer parameter is the
     index of the column to extract.  See <a href="Bigarray.Genarray.html#VALslice_right"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.slice_right</code></a>
     for more details.  <code class="code"><span class="constructor">Array2</span>.slice_right</code> applies only to arrays
     with Fortran layout.<br>
</div>
<pre><span id="VALblit"><span class="keyword">val</span> blit</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> ('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> unit</code></pre><div class="info">
Copy the first big array to the second big array.
     See <a href="Bigarray.Genarray.html#VALblit"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.blit</code></a> for more details.<br>
</div>
<pre><span id="VALfill"><span class="keyword">val</span> fill</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> 'a -> unit</code></pre><div class="info">
Fill the given big array with the given value.
     See <a href="Bigarray.Genarray.html#VALfill"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.fill</code></a> for more details.<br>
</div>
<pre><span id="VALof_array"><span class="keyword">val</span> of_array</span> : <code class="type">('a, 'b) <a href="Bigarray.html#TYPEkind">Bigarray.kind</a> -><br>       'c <a href="Bigarray.html#TYPElayout">Bigarray.layout</a> -> 'a array array -> ('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a></code></pre><div class="info">
Build a two-dimensional big array initialized from the
     given array of arrays.<br>
</div>
<pre><span id="VALmap_file"><span class="keyword">val</span> map_file</span> : <code class="type"><a href="Unix.html#TYPEfile_descr">Unix.file_descr</a> -><br>       ?pos:int64 -><br>       ('a, 'b) <a href="Bigarray.html#TYPEkind">Bigarray.kind</a> -><br>       'c <a href="Bigarray.html#TYPElayout">Bigarray.layout</a> -> bool -> int -> int -> ('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a></code></pre><div class="info">
Memory mapping of a file as a two-dimensional big array.
     See <a href="Bigarray.Genarray.html#VALmap_file"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Genarray</span>.map_file</code></a> for more details.<br>
</div>
<pre><span id="VALunsafe_get"><span class="keyword">val</span> unsafe_get</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> int -> int -> 'a</code></pre><div class="info">
Like <a href="Bigarray.Array2.html#VALget"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Array2</span>.get</code></a>, but bounds checking is not always
      performed.<br>
</div>
<pre><span id="VALunsafe_set"><span class="keyword">val</span> unsafe_set</span> : <code class="type">('a, 'b, 'c) <a href="Bigarray.Array2.html#TYPEt">t</a> -> int -> int -> 'a -> unit</code></pre><div class="info">
Like <a href="Bigarray.Array2.html#VALset"><code class="code"><span class="constructor">Bigarray</span>.<span class="constructor">Array2</span>.set</code></a>, but bounds checking is not always
      performed.<br>
</div>
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