Function Description and Syntax

Function Description

The vector math library improves application performance by means of vector implementation of computing-intensive core mathematical functions, such as power, trigonometric, exponential, hyperbolic, logarithmic functions, and the like.

Function Naming Rules

v<character> <name> ( )

Table 5-1 describes the values of <character>. Table 5-2 describes the values of <name>.

**Table 1** <character> values
<character>	Description
s	Single-precision floating-point real type
c	Single-precision floating-point complex type
d	Double-precision floating-point real type
z	Double-precision floating-point complex type

**Table 2** <name> values
<name>	Data Type	Description
add	s, d	Adds vectors.
sub	s, d	Subtracts vectors.
sqr	s, d	Squares a vector.
mul	s, d	Multiplies vectors.
div	s, d	Computes the quotient of vectors.
sqrt	s, d	Computes the square root of a vector.
pow	s, d	Raises a vector to the specified power.
exp	s, d	Computes the base-e exponential of a vector.
ln	s, d	Computes the base-e logarithm of a vector.
log10	s, d	Computes the base-10 logarithm of a vector.
cos	s, d	Computes the cosine of a vector.
sin	s, d	Computes the sine of a vector.
tan	s, d	Computes the tangent of a vector.
atan	s, d	Computes the arc tangent of a vector.
atan2	s, d	Computes the four-quadrant arc tangent of two variables.
sincos	s, d	Computes the sine and cosine of a vector.

Parent topic: KML_VML Library Functions