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The module Number contains procedures operating on numbers. Numbers in Oz are either integers or floats. The following arithmetic procedures are defined both on integers and on floats; however, there is no implicit conversion. If one input argument is a float and the other an integer, a type error is raised.
IsNumber
{Number.is+X?B}
tests whether X is a number.
+
{Number.'+'+FI1+FI2?FI3}
returns the sum of FI1 and FI2.
-
{Number.'-'+FI1+FI2?FI3}
returns the difference of FI1 and FI2.
*
{Number.'*'+FI1+FI2?FI3}
returns the product of FI1 and FI2.
~
{Number.'~'+FI1?FI2}
returns the negation of FI1.
Pow
{Number.pow+FI1+FI2?FI3}
returns FI1 to the power of FI2.
Abs
{Number.abs+FI1?FI2}
returns the absolute value of FI1.
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