[piecewise_curve] Set margin as defined constant (value to modify)

include/curves/piecewise_curve.h

@@ -8,6 +8,8 @@
 #ifndef _CLASS_PIECEWISE_CURVE
 #define _CLASS_PIECEWISE_CURVE
 
+#define MARGIN 1e-3
+
 #include "curve_abc.h"
 #include "curve_conversion.h"
 
@@ -85,9 +87,8 @@ struct piecewise_curve : public curve_abc<Time, Numeric, Dim, Safe, Point>
     ///
     void add_curve(const curve_t& cf)
     {
-        const double margin = 1e-9;
         // Check time continuity : Beginning time of pol must be equal to T_max_ of actual piecewise curve.
-        if (size_!=0 && !(fabs(cf.min()-T_max_)<margin))
+        if (size_!=0 && !(fabs(cf.min()-T_max_)<MARGIN))
         {
             throw std::invalid_argument("Can not add new Polynom to PiecewiseCurve : time discontinuity between T_max_ and pol.min()");
         }
@@ -103,7 +104,6 @@ struct piecewise_curve : public curve_abc<Time, Numeric, Dim, Safe, Point>
     ///
     bool is_continuous(const std::size_t order)
     {
-        const double margin = 1e-9;
         bool isContinuous = true;
         std::size_t i=0;
         point_t value_end, value_start;
@@ -123,7 +123,7 @@ struct piecewise_curve : public curve_abc<Time, Numeric, Dim, Safe, Point>
                 value_start = next.derivate(next.min(),order);
             }
 
-            if ((value_end-value_start).norm() > margin)
+            if ((value_end-value_start).norm() > MARGIN)
             {
                 isContinuous = false;
             }

tests/Main.cpp

@@ -41,7 +41,7 @@ typedef piecewise_curve <double, double, 3, true, point_t, t_point_t, polynomial
 typedef piecewise_curve <double, double, 3, true, point_t, t_point_t, bezier_curve_t> piecewise_bezier_curve_t;
 typedef piecewise_curve <double, double, 3, true, point_t, t_point_t, cubic_hermite_spline_t> piecewise_cubic_hermite_curve_t;
 
-const double margin = 1e-9;
+const double margin = 1e-3;
 
 bool QuasiEqual(const double a, const double b)
 {