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[Discuss-gnuradio] saving a complex data into a file

From: Jose Torres Diaz
Subject: [Discuss-gnuradio] saving a complex data into a file
Date: Tue, 30 Oct 2012 20:54:29 +1030

Hi Community,

I'm trying to save complex data from a block into a file, in order to process the information later on. My code is very simple, as shown bellow:

//Definition of values
std::vector<float> complex_values(4);

myfile.open ("/home/usrpvm/Desktop/examples/binary_complex");

myfile <<(char*)&complex_values[0];
myfile <<(char*)&complex_values[1];
myfile <<(char*)&complex_values[2];
myfile <<(char*)&complex_values[3];

When I finish, I check my values with hexdump command:

hexdump binary_complex -v -e ' 2/4 "%10f "' -e '"\n"'
 -0.707000  -0.707000
  0.707000   0.707000
 -0.707000   0.707000
  0.707000   0.707000
  0.707000   0.707000

As you can see, there are more values that I'm saving and there are some values missing. I think I am doing something wrong when I save the values.

Anyone can point me to the right direction?

Thanks for your time,


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