Make C++ files in doc/examples/ compile again.

[ginac.git] / doc / examples / lanczos.cpp

diff --git a/doc/examples/lanczos.cpp b/doc/examples/lanczos.cpp
index d1dce8c1dd053bc77804320c81e198635e751d8d..dcad1cb80beda81865a62f510ca906f759b882e8 100644 (file)
--- a/doc/examples/lanczos.cpp
+++ b/doc/examples/lanczos.cpp
@@ -48,6 +48,7 @@
  * MA  02110-1301 USA
  */
 
+#include <getopt.h>
 #include <vector>
 #include <cstddef> // for size_t
 #include <iostream>
@@ -66,7 +67,7 @@ using namespace cln;
  * Chebyshev polynomial coefficient matrix as far as is required for
  * the Lanczos approximation.
  */
-void calc_chebyshev(vector<vector<cl_I> >& C, const size_t size)
+void calc_chebyshev(vector<vector<cl_I>>& C, const size_t size)
 {      
        C.reserve(size);
        for (size_t i=0; i<size; ++i)
@@ -85,7 +86,7 @@ void calc_chebyshev(vector<vector<cl_I> >& C, const size_t size)
 /*
  * The coefficients p_n(g) that occur in the Lanczos approximation.
  */
-const cl_F p(const size_t k, const cl_F& g, const vector<vector<cln::cl_I> >& C)
+const cl_F p(const size_t k, const cl_F& g, const vector<vector<cln::cl_I>>& C)
 {      
        const float_format_t prec = float_format(g);
        const cl_F sqrtPi = sqrt(pi(prec));
@@ -110,7 +111,7 @@ const cl_F p(const size_t k, const cl_F& g, const vector<vector<cln::cl_I> >& C)
 void calc_lanczos_coeffs(vector<cl_F>& lanc, const cln::cl_F& g)
 {      
        const size_t n = lanc.size();
-       vector<vector<cln::cl_I> > C;
+       vector<vector<cln::cl_I>> C;
        calc_chebyshev(C, 2*n+2);
        
        // \Pi_{i=1}^n (z-i+1)/(z+i) = \Pi_{i=1}^n (1 - (2i-1)/(z+i))
@@ -118,7 +119,7 @@ void calc_lanczos_coeffs(vector<cl_F>& lanc, const cln::cl_F& g)
        // Q[1/(z+1),...1/(z+n)] of degree 1. To store coefficients of this
        // polynomial we use vector<cl_I>, so the set of such polynomials is
        // stored as
-       vector<vector<cln::cl_I> > fractions(n);
+       vector<vector<cln::cl_I>> fractions(n);
        
        // xi = 1/(z+i)
        fractions[0] = vector<cl_I>(1);