Type Conversion: from float to double : float « Data Types « C++ Tutorial

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C++ Tutorial » Data Types » float

2.9.4.Type Conversion: from float to double

#include <iostream>   

using namespace std;   

  

int main() {   

   int count = 7;   

   float avgWeight = 155.5F;   

  

   double totalWeight = count * avgWeight;   

   cout << "totalWeight=" << totalWeight << endl;   

   return 0;   

}

2.9.float
	2.9.1.	float point constant number
	2.9.2.	float number array
	2.9.3.	Read float point numbers from keyboard and save them to a float array
	2.9.4.	Type Conversion: from float to double
	2.9.5.	constant floats, floating point variables
	2.9.6.	Local Float Variables and Parameters: convert the temperature in Fahrenheit to Celsius
	2.9.7.	Display decimal and float with format
	2.9.8.	Define function whose parameter and return value are both float
	2.9.9.	Tests whether two floating-point numbers are approximately equal.
	2.9.10.	Controlling the printing of trailing zeros and decimal points for floating-point values.
	2.9.11.	cin handles double and float type values

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