/C++/Float to byte array and back c++ with memcpy command

Float to byte array and back c++ with memcpy command

// simply this line works perfectly, donnt know why union is taken???
memcpy(c_arr, &f, 4);

Float to byte array and back c++ with memcpy command

void float2Bytes(float val,byte* bytes_array){
  // Create union of shared memory space
  union {
    float float_variable;
    byte temp_array[4];
  } u;
  // Overite bytes of union with float variable
  u.float_variable = val;
  // Assign bytes to input array
  memcpy(bytes_array, u.temp_array, 4);
}

Source: stackoverflow.com

Similar codes

0 vote124 views1 answer
Insert only unique values into vector
C++
0 vote160 views1 answer
Check if float has decimals c++
C++
5 votes104 views5 answers
How to convert char to int in c++
C++
1 vote109 views1 answer
What is difference between single inverted and double inverted in programming languages
C++
0 vote155 views1 answer
Passing custom function in sort cpp
C++
25 votes110 views5 answers
Getline in c++
C++
14 votes98 views1 answer
Dynamically generating 2d array in cpp
C++
0 vote134 views1 answer
Maximum subarray leetcode c++
C++
-1 vote131 views1 answer
C++ forloop
C++
2 votes139 views1 answer
Cout was not declared in this scope
C++