added test for the confluent hypergeometric function 1F1(m,n,z) of the GSL lib

src/tests/spirit/PFunctionGrammar.h

@@ -35,7 +35,7 @@
 #include <iostream>
 using namespace std;
 
-//#define BOOST_SPIRIT_DEBUG
+#define BOOST_SPIRIT_DEBUG
 
 #include <boost/spirit/core.hpp>
 #include <boost/spirit/tree/ast.hpp>

src/tests/spirit/fcnInput.txt

@@ -18,7 +18,7 @@ PAR 1.0 2.1 3.5 -0.87 0.87
 MAP 2 1 4 5
 FUNCTIONS
 #fun0 = sin(par3/(par1+map2))
-fun1 = 1.0+(((sin(par1))))
+fun1 = 1.0+(sin(par1))
 #fun0 = par1 + map3 * cos(cos(par2 - map1))
 #fun8 = log(sin(par1)) + exp(-1.0*map2)
 #fun1 = par1 + map1 * (0.01355+par1*(2.1 - (-2.3 / 3.4)))