add a cpp file for cheb roots, in case of multiple inclusion of the header

Src/Kernels/Chebyshev/FChebRoots.hpp

@@ -91,141 +91,46 @@ struct FChebRoots : FNoCopyable
   }
 };
 
-
-
-
+// We declare the roots here only once Please look to .cpp for definitions
 
 // order 2
-template<> const double FChebRoots<2>::roots[] = {-0.707106781186548,
-																									0.707106781186547};
+template<> const double FChebRoots<2>::roots[];
 
 // order 3
-template<> const double FChebRoots<3>::roots[] = {-8.66025403784439e-01,
-																									0.0,
-																									8.66025403784438e-01};
+template<> const double FChebRoots<3>::roots[];
 
 // order 4
-template<> const double FChebRoots<4>::roots[] = {-0.923879532511287,
-																									-0.382683432365090,
-																									0.382683432365090,
-																									0.923879532511287};
+template<> const double FChebRoots<4>::roots[];
 
 // order 5
-template<> const double FChebRoots<5>::roots[] = {-9.51056516295154e-01,
-																								 -5.87785252292473e-01,
-																									0.0,
-																									5.87785252292473e-01,
-																									9.51056516295154e-01};
+template<> const double FChebRoots<5>::roots[];
 
 // order 6
-template<> const double FChebRoots<6>::roots[] = {-0.965925826289068,
-																									-0.707106781186548,
-																									-0.258819045102521,
-																									0.258819045102521,
-																									0.707106781186547,
-																									0.965925826289068};
+template<> const double FChebRoots<6>::roots[];
 
 // order 7
-template<> const double FChebRoots<7>::roots[] = {-9.74927912181824e-01,
-																									-7.81831482468030e-01,
-																									-4.33883739117558e-01,
-																									0.0,
-																									4.33883739117558e-01,
-																									7.81831482468030e-01,
-																									9.74927912181824e-01};
+template<> const double FChebRoots<7>::roots[];
 
 // order 8
-template<> const double FChebRoots<8>::roots[] = {-0.980785280403230,
-																									-0.831469612302545,
-																									-0.555570233019602,
-																									-0.195090322016128,
-																									0.195090322016128,
-																									0.555570233019602,
-																									0.831469612302545,
-																									0.980785280403230};
+template<> const double FChebRoots<8>::roots[];
 
 // order 9
-template<> const double FChebRoots<9>::roots[] = {-9.84807753012208e-01,
-																									-8.66025403784439e-01,
-																									-6.42787609686539e-01,
-																									-3.42020143325669e-01,
-																									0.0,
-																									3.42020143325669e-01,
-																									6.42787609686539e-01,
-																									8.66025403784438e-01,
-																									9.84807753012208e-01,};
+template<> const double FChebRoots<9>::roots[];
 
 // order 10
-template<> const double FChebRoots<10>::roots[] = {-0.987688340595138,
-																									 -0.891006524188368,
-																									 -0.707106781186548,
-																									 -0.453990499739547,
-																									 -0.156434465040231,
-																									 0.156434465040231,
-																									 0.453990499739547,
-																									 0.707106781186547,
-																									 0.891006524188368,
-																									 0.987688340595138};
+template<> const double FChebRoots<10>::roots[];
 
 // order 11
-template<> const double FChebRoots<11>::roots[] = {-9.89821441880933e-01,
-																									 -9.09631995354518e-01,
-																									 -7.55749574354258e-01,
-																									 -5.40640817455598e-01,
-																									 -2.81732556841430e-01,
-																									 0.0,
-																									 2.81732556841430e-01,
-																									 5.40640817455597e-01,
-																									 7.55749574354258e-01,
-																									 9.09631995354518e-01,
-																									 9.89821441880933e-01};
+template<> const double FChebRoots<11>::roots[];
 
 // order 12
-template<> const double FChebRoots<12>::roots[] = {-0.991444861373810,
-																									 -0.923879532511287,
-																									 -0.793353340291235,
-																									 -0.608761429008721,
-																									 -0.382683432365090,
-																									 -0.130526192220052,
-																									 0.130526192220052,
-																									 0.382683432365090,
-																									 0.608761429008721,
-																									 0.793353340291235,
-																									 0.923879532511287,
-																									 0.991444861373810};
-
+template<> const double FChebRoots<12>::roots[];
 
 // order 13
-template<> const double FChebRoots<13>::roots[] = {-9.92708874098054e-01,
-																									 -9.35016242685415e-01,
-																									 -8.22983865893656e-01,
-																									 -6.63122658240795e-01,
-																									 -4.64723172043769e-01,
-																									 -2.39315664287558e-01,
-																									 0.0,
-																									 2.39315664287557e-01,
-																									 4.64723172043769e-01,
-																									 6.63122658240795e-01,
-																									 8.22983865893656e-01,
-																									 9.35016242685415e-01,
-																									 9.92708874098054e-01};
+template<> const double FChebRoots<13>::roots[];
 
 // order 14
-template<> const double FChebRoots<14>::roots[] = {
-                    -0.99371220989324258353,
-                    -0.94388333030836756290,
-                    -0.84672419922828416835,
-                    -0.70710678118654752440,
-                    -0.53203207651533656356,
-                    -0.33027906195516708177,
-                    -0.11196447610330785847,
-                     0.11196447610330785847,
-                     0.33027906195516708177,
-                     0.53203207651533656356,
-                     0.70710678118654752440,
-                     0.84672419922828416835,
-                     0.94388333030836756290,
-		    0.99371220989324258353};
+template<> const double FChebRoots<14>::roots[];
 
 
 #endif