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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | #!F-adobe-helvetica-medium-r-normal--18*
#!N
#!N #!Rdxaplus DXAdd, DXCross, DXDiv, DXDot, DXLength, DXMax, DXMin, DXMul,
DXNeg, DXNormalize, DXSub #!N #!N Function Perform standard vector mathematics. #!N
#!N Syntax #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* #!N #include <dx/dx.h> #!N
#!N Vector DXNeg(Vector v) #!N Vector DXNormalize(Vector v) #!N double DXLength(Vector
v) #!N Vector DXAdd(Vector v, Vector w) #!N Vector DXSub(Vector v,
Vector w) #!N Vector DXMin(Vector v, Vector w) #!N Vector DXMax(Vector
v, Vector w) #!N Vector DXMul(Vector v, double f) #!N Vector
DXDiv(Vector v, double f) #!N float DXDot(Vector v, Vector w) #!N
Vector DXCross(Vector v, Vector w) #!EF #!EF . #!N #!N #!EC
#!N #!N Functional Details #!N #!I0 #!N #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18*
#!F-adobe-times-bold-r-normal--18* DXNeg, DXNormalize, DXLength #!EF #!EF #!I50 #!N Perform unary operations
of negation, normalization, and length. #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* DXAdd,
DXSub, DXMin, DXMax #!EF #!EF #!I50 #!N Perform vector operations of
addition, subtraction, min, and max. Min and max are performed on
each component of a vector. #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* DXMul,
DXDiv #!EF #!EF #!I50 #!N Multiply or divide a vector by
a float. #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* DXDot, DXCross #!EF #!EF
#!I50 #!N Form the dot product or cross-product of two vectors.
#!I0 #!N #!N #!N #!N A #!F-adobe-times-bold-r-normal--18* Point #!EF and #!F-adobe-times-bold-r-normal--18*
Vector #!EF are defined as follows: #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18*
#!N typedef struct point { #!N float x, y, z; #!N
} Point, Vector; #!EF #!EF #!N #!N #!EC #!N #!N Return
Value Each routine returns the result of its operation. #!N #!N
See Also #!F-adobe-times-bold-r-normal--18* #!Ldxcplus,dxall1185 h DXConcatenate, DXInvert, DXTranspose, DXAdjointTranspose, DXDeterminant, DXApply #!EL , #!EF #!N #!N #!Lbops,dxall1112 h Basic Operations #!EL . #!N
#!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Ldxaad,dxall1165 h DXAddArrayData #!EL #!N #!F-adobe-times-medium-i-normal--18*
#!N
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