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How can i cout a double if it has  .0000 as decimal places as a int or whole number? how can i check if the double is a perfect whole number to then turn into an int? double Student::getAverage() { double avg = ((quiz1 + quiz2 + quiz3) / 3.0); if( avg = )//has all zeros as decimals ){ //turn double into int} return avg; // if 65.0000 = cout << 65 } cout << "The student's quiz average is: " << fixed << setprecision(4) << getAverage() <

How can i cout a double if it has  .0000 as decimal places as a int or whole number? how can i check if the double is a perfect whole number to then turn into an int? double Student::getAverage() { double avg = ((quiz1 + quiz2 + quiz3) / 3.0); if( avg = )//has all zeros as decimals ){ //turn double into int} return avg; // if 65.0000 = cout << 65 } cout << "The student's quiz average is: " << fixed << setprecision(4) << getAverage() <

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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How can i cout a double if it has  .0000 as decimal places as a int or whole number?

how can i check if the double is a perfect whole number to then turn into an int?

double Student::getAverage() {
double avg = ((quiz1 + quiz2 + quiz3) / 3.0);
if( avg = )//has all zeros as decimals ){ //turn double into int}
return avg; // if 65.0000 = cout << 65
}

cout << "The student's quiz average is: " << fixed << setprecision(4) << getAverage() <<endl;

@double Student::getAverage() { double avg = ((quiz1 + quiz2 + quiz3) / 3.0); if( avg = )//has all zeros as decimals ){ //turn double into int} return avg; // if 65.0000 = cout <« 65 |avoid Student::print(){ cout << \n"; <« name << endl; « idNumber « endl; <« address « endl; cout <« "Student Name: cout <« "Student ID: cout <« "Student Address: cout <« "Student Telephone number: cout <« "Quiz Grades: " « quiz1 « ". cout <« "The student's quiz average is: cout <« "The student's letter grade is :"; letterGrade(getAverage());//ifelse letter chain. <« phone <« endl; « quiz2 << « fixed « setprecision(4) « getAverage() <<endl;| « quiz3 « endl; cout <« "\n=== =\n";
Transcribed Image Text:@double Student::getAverage() { double avg = ((quiz1 + quiz2 + quiz3) / 3.0); if( avg = )//has all zeros as decimals ){ //turn double into int} return avg; // if 65.0000 = cout <« 65 |avoid Student::print(){ cout << \n"; <« name << endl; « idNumber « endl; <« address « endl; cout <« "Student Name: cout <« "Student ID: cout <« "Student Address: cout <« "Student Telephone number: cout <« "Quiz Grades: " « quiz1 « ". cout <« "The student's quiz average is: cout <« "The student's letter grade is :"; letterGrade(getAverage());//ifelse letter chain. <« phone <« endl; « quiz2 << « fixed « setprecision(4) « getAverage() <<endl;| « quiz3 « endl; cout <« "\n=== =\n";
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