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                    GogRegCurve;
#define             GOG_REG_CURVE_TYPE
#define             GOG_REG_CURVE                       (o)
#define             IS_GOG_REG_CURVE                    (o)
GType               gog_reg_curve_get_type              (void);
gcharconst *        gog_reg_curve_get_equation          (GogRegCurve *reg_curve);
double              gog_reg_curve_get_R2                (GogRegCurve *reg_curve);
void                gog_reg_curve_get_bounds            (GogRegCurve *reg_curve,
                                                         double *xmin,
                                                         double *xmax);
#define GOG_REG_CURVE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GOG_REG_CURVE_TYPE, GogRegCurve))
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#define IS_GOG_REG_CURVE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GOG_REG_CURVE_TYPE))
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gcharconst * gog_reg_curve_get_equation (GogRegCurve *reg_curve);
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void gog_reg_curve_get_bounds (GogRegCurve *reg_curve, double *xmin, double *xmax);
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