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double MAd::F_areaSq ( const pFace  face,
const double *  dir 
)

Returns square area of a triangular face. if 'dir' is not NULL, the square area is signed

Definition at line 1830 of file MeshDataBaseInterface.cc.

References MAd::F_coordP1(), and MAd::XYZ_F_areaSq().

  {
    double xyz[3][3];
    F_coordP1(face,xyz);
    return XYZ_F_areaSq(xyz,dir);
  }


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