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#include <gmshc.h>
int main(int argc, char **argv)
{
int ierr;
gmshInitialize(argc, argv, 1, 0, &ierr);
gmshModelAdd("square", &ierr);
gmshModelGeoAddPoint(0, 0, 0, 0.1, 1, &ierr);
gmshModelGeoAddPoint(1, 0, 0, 0.1, 2, &ierr);
gmshModelGeoAddPoint(1, 1, 0, 0.1, 3, &ierr);
gmshModelGeoAddPoint(0, 1, 0, 0.1, 4, &ierr);
gmshModelGeoAddLine(1, 2, 1, &ierr);
gmshModelGeoAddLine(2, 3, 2, &ierr);
gmshModelGeoAddLine(3, 4, 3, &ierr);
// try automatic assignement of tag
int line4 = gmshModelGeoAddLine(4, 1, -1, &ierr);
int ll[] = {1, 2, 3, line4};
gmshModelGeoAddCurveLoop(ll, 4, 1, 0, &ierr);
int s[]= { 1 };
gmshModelGeoAddPlaneSurface(s, 1, 6, &ierr);
gmshModelGeoSynchronize(&ierr);
gmshModelMeshGenerate(2, &ierr);
gmshWrite("square.msh", &ierr);
return 0;
};
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