Real constants and functions: Difference between revisions

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 =={{header|C}}==
-Most of the following functions take a double; for each of them there are corresponding ones with "f" or "l" appended to the name that take a float or long double, respectively.
+Most of the following functions take a double.
 <c>#include <math.h>
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 ceil(x); /* ceiling */
 pow(x,y); /* power */</c>
+=={{header|Haskell}}==
+<pre>
+pi --pi
+sqrt x --square root
+log x --natural logarithm
+exp x --exponential
+abs x --absolute value
+floor x --floor
+ceiling x --ceiling
+x ** y --power (floating-point exponentiation)
+x ^ y --power (integer exponentiation)
+</pre>
 =={{header|Java}}==