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Click on a line that starts with a "<code>+</code>" to see the C code that Cython generated for it.
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<p>Raw output: <a href="edgemaze.cpp">edgemaze.cpp</a></p>
<div class="cython"><pre class="cython line score-8" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">001</span>: # distutils: language=c++</pre>
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</pre><pre class="cython line score-8" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">002</span>: import math</pre>
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</pre><pre class="cython line score-0"> <span class="">003</span>: </pre>
<pre class="cython line score-0"> <span class="">004</span>: import cython</pre>
<pre class="cython line score-8" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">005</span>: import numpy</pre>
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</pre><pre class="cython line score-0"> <span class="">006</span>: cimport numpy</pre>
<pre class="cython line score-0"> <span class="">007</span>: from cython.view cimport array</pre>
<pre class="cython line score-0"> <span class="">008</span>: </pre>
<pre class="cython line score-0"> <span class="">009</span>: </pre>
<pre class="cython line score-0"> <span class="">010</span>: from libcpp cimport bool</pre>
<pre class="cython line score-0"> <span class="">011</span>: from libcpp.set cimport set</pre>
<pre class="cython line score-0"> <span class="">012</span>: from libcpp.pair cimport pair</pre>
<pre class="cython line score-0"> <span class="">013</span>: from libcpp.unordered_map cimport unordered_map</pre>
<pre class="cython line score-0"> <span class="">014</span>: from libcpp.deque cimport deque</pre>
<pre class="cython line score-0"> <span class="">015</span>: </pre>
<pre class="cython line score-0"> <span class="">016</span>: </pre>
<pre class="cython line score-7" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">017</span>: class Solver:</pre>
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<pre class="cython line score-0"> <span class="">046</span>: @cython.boundscheck(False)</pre>
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</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">049</span>: if coord_valid(adjacent.first, adjacent.second, maze):</pre>
<pre class='cython code score-0 '> __pyx_t_1 = (__pyx_f_8edgemaze_coord_valid(__pyx_v_adjacent.first, __pyx_v_adjacent.second, __pyx_v_maze) != 0);
if (__pyx_t_1) {
/* … */
goto __pyx_L3;
}
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">050</span>: if expanding.first < adjacent.first:</pre>
<pre class='cython code score-0 '> __pyx_t_1 = ((__pyx_v_expanding.first < __pyx_v_adjacent.first) != 0);
if (__pyx_t_1) {
/* … */
}
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">051</span>: return maze[adjacent.first][adjacent.second] & 4 == 0</pre>
<pre class='cython code score-0 '> __pyx_t_2 = __pyx_v_adjacent.first;
__pyx_t_3 = __pyx_v_adjacent.second;
__pyx_r = (((*((__pyx_t_5numpy_uint8_t *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_maze.data + __pyx_t_2 * __pyx_v_maze.strides[0]) ) + __pyx_t_3 * __pyx_v_maze.strides[1]) ))) & 4) == 0);
goto __pyx_L0;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">052</span>: elif adjacent.first < expanding.first:</pre>
<pre class='cython code score-0 '> __pyx_t_1 = ((__pyx_v_adjacent.first < __pyx_v_expanding.first) != 0);
if (__pyx_t_1) {
/* … */
}
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">053</span>: return maze[expanding.first][expanding.second] & 4 == 0</pre>
<pre class='cython code score-0 '> __pyx_t_4 = __pyx_v_expanding.first;
__pyx_t_5 = __pyx_v_expanding.second;
__pyx_r = (((*((__pyx_t_5numpy_uint8_t *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_maze.data + __pyx_t_4 * __pyx_v_maze.strides[0]) ) + __pyx_t_5 * __pyx_v_maze.strides[1]) ))) & 4) == 0);
goto __pyx_L0;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">054</span>: if expanding.second < adjacent.second:</pre>
<pre class='cython code score-0 '> __pyx_t_1 = ((__pyx_v_expanding.second < __pyx_v_adjacent.second) != 0);
if (__pyx_t_1) {
/* … */
}
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">055</span>: return maze[adjacent.first][adjacent.second] & 2 == 0</pre>
<pre class='cython code score-0 '> __pyx_t_6 = __pyx_v_adjacent.first;
__pyx_t_7 = __pyx_v_adjacent.second;
__pyx_r = (((*((__pyx_t_5numpy_uint8_t *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_maze.data + __pyx_t_6 * __pyx_v_maze.strides[0]) ) + __pyx_t_7 * __pyx_v_maze.strides[1]) ))) & 2) == 0);
goto __pyx_L0;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">056</span>: elif adjacent.second < expanding.second:</pre>
<pre class='cython code score-0 '> __pyx_t_1 = ((__pyx_v_adjacent.second < __pyx_v_expanding.second) != 0);
if (__pyx_t_1) {
/* … */
}
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">057</span>: return maze[expanding.first][expanding.second] & 2 == 0</pre>
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goto __pyx_L0;
</pre><pre class="cython line score-0"> <span class="">058</span>: else:</pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">059</span>: return False</pre>
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goto __pyx_L0;
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__pyx_L3:;
</pre><pre class="cython line score-0"> <span class="">060</span>: </pre>
<pre class="cython line score-0"> <span class="">061</span>: @cython.boundscheck(False)</pre>
<pre class="cython line score-0"> <span class="">062</span>: @cython.wraparound(False)</pre>
<pre class="cython line score-25" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">063</span>: cdef solve(numpy.ndarray[numpy.uint8_t, ndim=2] maze):</pre>
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npy_intp __pyx_v_j;
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</pre><pre class="cython line score-0"> <span class="">064</span>: cdef unordered_map[numpy.uint8_t, pair[numpy.int64_t, numpy.int64_t]] arrow_directions</pre>
<pre class="cython line score-10" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">065</span>: arrow_directions.insert((ord('>'), (0, -1)))</pre>
<pre class='cython code score-10 '> __pyx_tuple__2 = <span class='py_c_api'>PyTuple_Pack</span>(2, __pyx_int_0, __pyx_int_neg_1);<span class='error_goto'> if (unlikely(!__pyx_tuple__2)) __PYX_ERR(0, 65, __pyx_L1_error)</span>
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/* … */
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<pre class='cython code score-10 '> __pyx_tuple__4 = <span class='py_c_api'>PyTuple_Pack</span>(2, __pyx_int_neg_1, __pyx_int_0);<span class='error_goto'> if (unlikely(!__pyx_tuple__4)) __PYX_ERR(0, 66, __pyx_L1_error)</span>
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<pre class='cython code score-10 '> __pyx_tuple__6 = <span class='py_c_api'>PyTuple_Pack</span>(2, __pyx_int_0, __pyx_int_1);<span class='error_goto'> if (unlikely(!__pyx_tuple__6)) __PYX_ERR(0, 67, __pyx_L1_error)</span>
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<pre class='cython code score-10 '> __pyx_tuple__8 = <span class='py_c_api'>PyTuple_Pack</span>(2, __pyx_int_1, __pyx_int_0);<span class='error_goto'> if (unlikely(!__pyx_tuple__8)) __PYX_ERR(0, 68, __pyx_L1_error)</span>
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</pre><pre class="cython line score-0"> <span class="">069</span>: </pre>
<pre class="cython line score-0"> <span class="">070</span>: cdef unordered_map[char*, pair[numpy.int64_t, numpy.int64_t]] reverse_arrow_directions</pre>
<pre class="cython line score-5" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">071</span>: reverse_arrow_directions.insert((b'>', (0, 1)))</pre>
<pre class='cython code score-5 '> __pyx_t_2 = __pyx_convert_pair_from_py_char___2a___and_std_3a__3a_pair_3c___pyx_t_5numpy_int64_t_2c___pyx_t_5numpy_int64_t_3e___(__pyx_tuple__11);<span class='error_goto'> if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 71, __pyx_L1_error)</span>
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<pre class='cython code score-5 '> __pyx_t_2 = __pyx_convert_pair_from_py_char___2a___and_std_3a__3a_pair_3c___pyx_t_5numpy_int64_t_2c___pyx_t_5numpy_int64_t_3e___(__pyx_tuple__12);<span class='error_goto'> if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 72, __pyx_L1_error)</span>
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<pre class='cython code score-5 '> __pyx_t_2 = __pyx_convert_pair_from_py_char___2a___and_std_3a__3a_pair_3c___pyx_t_5numpy_int64_t_2c___pyx_t_5numpy_int64_t_3e___(__pyx_tuple__14);<span class='error_goto'> if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 73, __pyx_L1_error)</span>
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</pre><pre class="cython line score-0"> <span class="">075</span>: </pre>
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</pre><pre class="cython line score-0"> <span class="">077</span>: </pre>
<pre class="cython line score-29" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">078</span>: cdef numpy.ndarray[numpy.int64_t, ndim=2] distances = numpy.ndarray((maze.shape[0], maze.shape[1]), numpy.int64)</pre>
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</pre><pre class="cython line score-0"> <span class="">079</span>: #distances = numpy.zeros_like(maze, int)</pre>
<pre class="cython line score-0"> <span class="">080</span>: #distances[maze & 1 == 1] = 0</pre>
<pre class="cython line score-0"> <span class="">081</span>: </pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">082</span>: cdef numpy.int64_t[:, :] mem_distances = distances</pre>
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</pre><pre class="cython line score-0"> <span class="">083</span>: </pre>
<pre class="cython line score-29" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">084</span>: cdef numpy.ndarray[numpy.uint8_t, ndim=2] directions = numpy.ndarray((maze.shape[0], maze.shape[1]), numpy.uint8)</pre>
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