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TYPE CONVERSION IN C++ Lecture 2.7
Prepared by: Mian Saeed Akbar
TYPE CONVERSION IN C++
Argument Coercion
o Force arguments to be of proper type
• Converting int (4) to double (4.0)
o Conversion rules
 Arguments usually converted automatically
 Changing from double to int can truncate data
 3.4 to 3
 Mixed type goes to highest type (promotion)
 int * double
cout << sqrt(4)
Type Conversion / Casting
1. Coercion / Implicit type
Conversion / promotion
2. Truncation / Explicit type
Conversion
int x = int(45.0); int x = (int)45.0;
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Lecture 2.7 Type Conversion in C++.pdf

  • 1. TYPE CONVERSION IN C++ Lecture 2.7 Prepared by: Mian Saeed Akbar
  • 2. TYPE CONVERSION IN C++ Argument Coercion o Force arguments to be of proper type • Converting int (4) to double (4.0) o Conversion rules  Arguments usually converted automatically  Changing from double to int can truncate data  3.4 to 3  Mixed type goes to highest type (promotion)  int * double cout << sqrt(4) Type Conversion / Casting 1. Coercion / Implicit type Conversion / promotion 2. Truncation / Explicit type Conversion int x = int(45.0); int x = (int)45.0;
  • 3. Thank you Please subscribe my channel for more videos and courses