SymbSrf2DDeterminant
Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME
SymbSrf2DDeterminant()
SYNOPSIS
symb_lib/curvatur.c:655
CagdSrfStruct *SymbSrf2DDeterminant(CagdSrfStruct *Srf11,
CagdSrfStruct *Srf12,
CagdSrfStruct *Srf21,
CagdSrfStruct *Srf22)
DESCRIPTION
Computes the expression of Srf11 * Srf22 - Srf12 * Srf21, which is a
determinant of a 2 by 2 matrix.
PARAMETERS:
Srf11, Srf12, Srf21, Srf22: The four factors of the determinant.
FUNCTION RETURN VALUE
CagdSrfStruct *: A scalar field representing the determinant computation.
SEE ALSO
SymbSrfFff,
SymbSrfSff,
SymbSrfGaussCurvature,
SymbSrfMeanEvolute,
,
SymbSrfMeanCurvatureSqr,
SymbSrfIsoFocalSrf,
SymbSrfCurvatureUpperBound,
,
SymbSrfIsoDirNormalCurvatureBound,
ORIGIN
(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- PARAMETERS:
-
- FUNCTION RETURN VALUE
-
- SEE ALSO
-
- ORIGIN
-
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