CRE Programmer's Guide

Math Functions
Common Run-Time Environment (CRE) Programmer’s Guide—528146-004
7-2
Standard Math Functions
Table 7-1. TNS CRE Standard Math Functions (page 1 of 2)
Function
Name Function Action
Arccos
on
page 7-4
Returns an arccosine expressed in radians.
Arcsin
on
page 7-5
Returns an arcsine expressed in radians.
Arctan
on
page 7-5
Returns an arctangent expressed in radians.
Arctan2
on
page 7-6
Returns the arctangent, expressed in radians, of the quotient of its
parameters.
Cos
on
page 7-7
Returns the cosine of an angle whose size is expressed in radians.
Cosh
on
page 7-7
Returns a hyperbolic cosine.
Exp
on
page 7-8
Returns the exponential function (base e) of its parameter.
Ln
on
page 7-8
Returns a natural (base e) logarithm.
Log10
on
page 7-9
Returns a common (base 10) logarithm.
Lower
on
page 7-10
Returns the largest integer that is not greater than the value of its
parameter.
Mod
on
page 7-11
Returns the remainder of an integer division calculation.
Normalize
on
page 7-12
Splits a floating-point number into a normalized fraction and an integral
power of two.
Odd
on
page 7-13
Determines whether a value is even or odd.
Positive_Diff
on page 7-13
Returns the arithmetic difference between two numbers.
Power
on
page 7-15
Returns a number raised to a specified power.
Power2
on
page 7-16
Multiplies a number by an integral power of two.
Random_set
and
Random_next
on page 7-17
Establishes the seed—the initial value—in a pseudo-random number
sequence.
Returns a pseudo-random number.
Round
on
page 7-17
Returns the nearest whole number.