20 #ifndef GEOS_ALGORITHM_ROBUSTDETERMINANT_H
21 #define GEOS_ALGORITHM_ROBUSTDETERMINANT_H
23 #include <geos/export.h>
62 static int signOfDet2x2(
double x1,
double y1,
double x2,
double y2);
Implements an algorithm to compute the sign of a 2x2 determinant for double precision values robustly...
Definition: RobustDeterminant.h:51
static int signOfDet2x2(double x1, double y1, double x2, double y2)
Computes the sign of the determinant of the 2x2 matrix with the given entries, in a robust way.
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:26