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17 <link title=
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</title>
20 <code class=
"code"><span class=
"keyword">let
</span> signal_rdtable
s0
s1
s2
=
<br>
21 <span class=
"keyword">let
</span> memory_length_int
=
take_off_N
((signal_fun
s0)
0)
<span class=
"keyword">in
</span><br>
22 <span class=
"keyword">let
</span> s1_mem
=
factory_add_memory
(signal_fun
s1)
memory_length_int
<span class=
"keyword">in
</span><br>
23 <span class=
"keyword">let
</span> new_signal
=
<span class=
"keyword">fun
</span> t
<span class=
"keywordsign">-
></span><br>
24 <span class=
"keyword">let
</span> index
=
(signal_fun
s2)
t
<span class=
"keyword">in
</span><br>
25 <span class=
"keyword">match
</span> index
<span class=
"keyword">with
</span><br>
26 <span class=
"keywordsign">|
</span><span class=
"constructor">N
</span> i
<span class=
"keywordsign">-
></span> s1_mem
i
<br>
27 <span class=
"keywordsign">|
</span><span class=
"constructor">R
</span> f
<span class=
"keywordsign">-
></span> raise
(
<span class=
"constructor">Signal_operation
</span> <span class=
"string">"Rdtable index cannot be float."</span>)
<br>
28 <span class=
"keywordsign">|
</span><span class=
"constructor">Vec
</span> (size,
vec)
<span class=
"keywordsign">-
></span> raise
(
<span class=
"constructor">Signal_operation
</span> <span class=
"string">"Rdtable index cannot be vector."</span>)
<br>
29 <span class=
"keywordsign">|
</span><span class=
"constructor">Zero
</span> <span class=
"keywordsign">-
></span> s1_mem
0<br>
30 <span class=
"keywordsign">|
</span><span class=
"constructor">W
</span> <span class=
"keywordsign">-
></span> raise
(
<span class=
"constructor">Signal_operation
</span> <span class=
"string">"Rdtable index cannot be Error."</span>)
<br>
31 <span class=
"keyword">in
</span><br>
32 (frequency
s2,
new_signal)
</code></body></html>