test_swap()

template<class T >

void test_swap

(

)

Function template to test dry byte swapping.

Parameters

T	generic type to be used during test

This function tages no argument and returns nothing. All output will be written to stdout.

See also

I/O byte swapping facility.

Examples:

tests/fortraniotest.cc.

Definition at line 71 of file fortraniotest.cc.

References tfxx::ioswap::IOUnion< T >::bytes, tfxx::ioswap::swap(), and tfxx::ioswap::IOUnion< T >::value.

{
  tfxx::ioswap::IOUnion<T> u1, u2; 
  T v1,v2;
  const int nbytes=sizeof(T);
  char charpool[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
  char charresult[26];
  assert(nbytes<26);
  for (int i=0; i<nbytes; i++)
  { 
    u1.bytes[i]=charpool[i];
    charresult[i]=charpool[i];
  }
  charresult[nbytes]='\0';
  cout << "in: ";
  cout.width(10);
  cout << charresult;
  // take the long way (using these types explicitely)
  v1=u1.value;
  v2=tfxx::ioswap::swap(v1);
  u2.value=v2;
  for (int i=0; i<nbytes; i++)
  { 
    charresult[i]=u2.bytes[i];
  }
  charresult[nbytes]='\0';
  cout << " out: ";
  cout.width(12);
  cout << charresult << endl;
}

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