core/vnl/io/vnl_io_real_polynomial.cxx
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00001 // This is core/vnl/io/vnl_io_real_polynomial.cxx
00002 #ifdef VCL_NEEDS_PRAGMA_INTERFACE
00003 #pragma implementation
00004 #endif
00005 //:
00006 // \file
00007 
00008 #include "vnl_io_real_polynomial.h"
00009 #include <vsl/vsl_binary_io.h>
00010 #include <vnl/io/vnl_io_vector.h>
00011 #include <vnl/io/vnl_io_matrix.h>
00012 
00013 
00014 //==============================================================================
00015 //: Binary save self to stream.
00016 void vsl_b_write(vsl_b_ostream & os, const vnl_real_polynomial & p)
00017 {
00018   const short io_version_no = 1;
00019   vsl_b_write(os, io_version_no);
00020 
00021   vsl_b_write(os, p.coefficients());
00022 }
00023 
00024 //==============================================================================
00025 //: Binary load self from stream.
00026 void vsl_b_read(vsl_b_istream &is, vnl_real_polynomial & p)
00027 {
00028   if (!is) return;
00029 
00030   short ver;
00031   vnl_vector<double> coeffs;
00032   vsl_b_read(is, ver);
00033   switch (ver)
00034   {
00035    case 1:
00036     vsl_b_read(is, coeffs);
00037     p.set_coefficients(coeffs);
00038     break;
00039 
00040    default:
00041     vcl_cerr << "I/O ERROR: vsl_b_read(vsl_b_istream&, vnl_real_polynomial&)\n"
00042              << "           Unknown version number "<< ver << '\n';
00043     is.is().clear(vcl_ios::badbit); // Set an unrecoverable IO error on stream
00044     return;
00045   }
00046 }
00047 
00048 //==============================================================================
00049 //: Output a human readable summary to the stream
00050 void vsl_print_summary(vcl_ostream & os,const vnl_real_polynomial & p)
00051 {
00052   p.print(os);
00053 }