gdAffineApplyToPointF  863 libgd/gd.h     int gdAffineApplyToPointF (gdPointFPtr dst, const gdPointFPtr src, const double affine[6]);
gdAffineApplyToPointF 2394 libgd/gd_interpolation.c 				gdAffineApplyToPointF(&src_pt, &pt, inv);
gdAffineApplyToPointF 2408 libgd/gd_interpolation.c 				gdAffineApplyToPointF(&src_pt, &pt, inv);
gdAffineApplyToPointF 2457 libgd/gd_interpolation.c 		if (gdAffineApplyToPointF(&extent[i], &point, affine) != GD_TRUE) {