IBM Visualization Data Explorer Programmer's Reference

DXAdd, DXCross, DXDiv, DXDot, DXLength, DXMax, DXMin, DXMul, DXNeg, DXNormalize, DXSub

Function Perform standard vector mathematics.

Syntax

#include <dx/dx.h>
Vector DXNeg(Vector v)
Vector DXNormalize(Vector v)
double DXLength(Vector v)
Vector DXAdd(Vector v, Vector w)
Vector DXSub(Vector v, Vector w)
Vector DXMin(Vector v, Vector w)
Vector DXMax(Vector v, Vector w)
Vector DXMul(Vector v, double f)
Vector DXDiv(Vector v, double f)
float DXDot(Vector v, Vector w)
Vector DXCross(Vector v, Vector w)

Functional Details

DXNeg, DXNormalize, DXLength	Perform unary operations of negation, normalization, and length.
DXAdd, DXSub, DXMin, DXMax	Perform vector operations of addition, subtraction, min, and max. Min and max are performed on each component of a vector.
DXMul, DXDiv	Multiply or divide a vector by a float.
DXDot, DXCross	Form the dot product or cross-product of two vectors.

A Point and Vector are defined as follows:

typedef struct point {
    float x, y, z;
} Point, Vector;

Return Value Each routine returns the result of its operation.

See Also DXConcatenate, DXInvert, DXTranspose, DXAdjointTranspose, DXDeterminant, DXApply,

"Basic Operations".

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