- indentation is now done with tabs

[ginac.git] / ginac / inifcns_zeta.cpp

diff --git a/ginac/inifcns_zeta.cpp b/ginac/inifcns_zeta.cpp
index 7a8b089aa11131876f2d528dbd1f86c7a73cfe6f..a20e534f21a5c2ddfae4026273a55bb7f133c6b2 100644 (file)
--- a/ginac/inifcns_zeta.cpp
+++ b/ginac/inifcns_zeta.cpp
@@ -41,50 +41,50 @@ namespace GiNaC {
 
 static ex zeta1_evalf(const ex & x)
 {
-    BEGIN_TYPECHECK
-        TYPECHECK(x,numeric)
-    END_TYPECHECK(zeta(x))
-        
-    return zeta(ex_to_numeric(x));
+       BEGIN_TYPECHECK
+               TYPECHECK(x,numeric)
+       END_TYPECHECK(zeta(x))
+               
+       return zeta(ex_to_numeric(x));
 }
 
 static ex zeta1_eval(const ex & x)
 {
-    if (x.info(info_flags::numeric)) {
-        numeric y = ex_to_numeric(x);
-        // trap integer arguments:
-        if (y.is_integer()) {
-            if (y.is_zero())
-                return -_ex1_2();
-            if (x.is_equal(_ex1()))
-                throw(std::domain_error("zeta(1): infinity"));
-            if (x.info(info_flags::posint)) {
-                if (x.info(info_flags::odd))
-                    return zeta(x).hold();
-                else
-                    return abs(bernoulli(y))*pow(Pi,x)*pow(_num2(),y-_num1())/factorial(y);
-            } else {
-                if (x.info(info_flags::odd))
-                    return -bernoulli(_num1()-y)/(_num1()-y);
-                else
-                    return _num0();
-            }
-        }
-    }
-    return zeta(x).hold();
+       if (x.info(info_flags::numeric)) {
+               numeric y = ex_to_numeric(x);
+               // trap integer arguments:
+               if (y.is_integer()) {
+                       if (y.is_zero())
+                               return -_ex1_2();
+                       if (x.is_equal(_ex1()))
+                               throw(std::domain_error("zeta(1): infinity"));
+                       if (x.info(info_flags::posint)) {
+                               if (x.info(info_flags::odd))
+                                       return zeta(x).hold();
+                               else
+                                       return abs(bernoulli(y))*pow(Pi,x)*pow(_num2(),y-_num1())/factorial(y);
+                       } else {
+                               if (x.info(info_flags::odd))
+                                       return -bernoulli(_num1()-y)/(_num1()-y);
+                               else
+                                       return _num0();
+                       }
+               }
+       }
+       return zeta(x).hold();
 }
 
 static ex zeta1_deriv(const ex & x, unsigned deriv_param)
 {
-    GINAC_ASSERT(deriv_param==0);
-    
-    return zeta(_ex1(), x);
+       GINAC_ASSERT(deriv_param==0);
+       
+       return zeta(_ex1(), x);
 }
 
 const unsigned function_index_zeta1 =
-    function::register_new(function_options("zeta").
-                           eval_func(zeta1_eval).
-                           evalf_func(zeta1_evalf).
+       function::register_new(function_options("zeta").
+                                                  eval_func(zeta1_eval).
+                                                  evalf_func(zeta1_evalf).
                           derivative_func(zeta1_deriv).
                           overloaded(2));
 
@@ -94,30 +94,30 @@ const unsigned function_index_zeta1 =
 
 static ex zeta2_eval(const ex & n, const ex & x)
 {
-    if (n.info(info_flags::numeric)) {
-        // zeta(0,x) -> zeta(x)
-        if (n.is_zero())
-            return zeta(x);
-    }
-    
-    return zeta(n, x).hold();
+       if (n.info(info_flags::numeric)) {
+               // zeta(0,x) -> zeta(x)
+               if (n.is_zero())
+                       return zeta(x);
+       }
+       
+       return zeta(n, x).hold();
 }
 
 static ex zeta2_deriv(const ex & n, const ex & x, unsigned deriv_param)
 {
-    GINAC_ASSERT(deriv_param<2);
-    
-    if (deriv_param==0) {
-        // d/dn zeta(n,x)
-        throw(std::logic_error("cannot diff zeta(n,x) with respect to n"));
-    }
-    // d/dx psi(n,x)
-    return zeta(n+1,x);
+       GINAC_ASSERT(deriv_param<2);
+       
+       if (deriv_param==0) {
+               // d/dn zeta(n,x)
+               throw(std::logic_error("cannot diff zeta(n,x) with respect to n"));
+       }
+       // d/dx psi(n,x)
+       return zeta(n+1,x);
 }
 
 const unsigned function_index_zeta2 =
-    function::register_new(function_options("zeta").
-                           eval_func(zeta2_eval).
+       function::register_new(function_options("zeta").
+                                                  eval_func(zeta2_eval).
                           derivative_func(zeta2_deriv).
                           overloaded(2));