Calculating the value of e: Difference between revisions

→‎UNIX Shell: add (syntaxhighlight broken, seems to assume a here-doc)
(→‎OCaml: add)
(→‎UNIX Shell: add (syntaxhighlight broken, seems to assume a here-doc))
Line 3,955:
{{Out}}
<pre>2.718281828</pre>
 
=={{header|UNIX Shell}}==
<syntaxhighlight lang="sh"># POSIX requires "signed long" for shell arithmetic, so assume to have
# at least 31 bits available, and do 2:29 bits fixed point arithmetic
 
prec=29 one=$((1 << prec))
 
e=$one fact=1 n=0
while [ $fact -lt $one ]
do
e=$((one / (fact *= (n += 1)) + e))
done
 
# convert to decimal string
n=9 str=$((e >> prec)). mask=$((one + one - 1))
while [ $((n -= 1)) -ne 0 ]
do
str=$str$(((e = ((mask >>= 1) & e) * 5) >> (prec -= 1)))
done
 
echo "$str"
</syntaxhighlight>
{{out}}
<pre>2.71828182</pre>
 
=={{header|VBScript}}==
{{Trans|Python}}
Line 3,974 ⟶ 3,999:
Error = 4.44089209850063E-16
Number of iterations = 9</pre>
 
=={{header|Verilog}}==
<syntaxhighlight lang="verilog">module main;
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