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Output Formatting

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Precision#include <iomanip>...float grade = 86.1263f;cout.precision(4);cout << grade;

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86.13

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Precision#include <iomanip>...float grade1 = 86.1263f;float grade2 = 93.1311f;cout.precision(4);cout << grade1 << endl;...cout << grade2 << endl;

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86.1393.13

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Width of Output#include <iomanip>...float grade1 = 86.1243f;float grade2 = 93.1311f;cout.width(10);cout << grade1 << endl;...cout << grade2 << endl;

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86.124393.1311

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientific ios::fixed ios::right ios::left ios::internal ios::showpos ios::showpoint ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed ios::right ios::left ios::internal ios::showpos ios::showpoint ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed output in standard notation ios::right ios::left ios::internal ios::showpos ios::showpoint ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed output in standard notation ios::right output right-justified in output field ios::left ios::internal ios::showpos ios::showpoint ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed output in standard notation ios::right output right-justified in output field ios::left output left-justified in output field ios::internal ios::showpos ios::showpoint ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed output in standard notation ios::right output right-justified in output field ios::left output left-justified in output field ios::internal puts space between – or + sign and output ios::showpos ios::showpoint ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed output in standard notation ios::right output right-justified in output field ios::left output left-justified in output field ios::internal puts space between – or + sign and output ios::showpos shows + sign ios::showpoint ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed output in standard notation ios::right output right-justified in output field ios::left output left-justified in output field ios::internal puts space between – or + sign and output ios::showpos shows + sign ios::showpoint shows decimal point with trailing zeros ios::skipws

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ios flags Statement Form

cout.setf(ios::the_flag); Available Flags

ios::scientificoutput in scientific notation ios::fixed output in standard notation ios::right output right-justified in output field ios::left output left-justified in output field ios::internal puts space between – or + sign and output ios::showpos shows + sign ios::showpoint shows decimal point with trailing zeros ios::skipws shows output without whitespace

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ios Example#include <iomanip>...double mole = 602200000000000000000000.0;float grade = 97.153f;cout.setf(ios::scientific);cout << mole << endl;cout.unsetf(ios::scientific);...cout << grade << endl;

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6.022000e+2397.153

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ios Example#include <iomanip>...float money = 1441.3531f;

cout.setf(ios::fixed);cout.setf(ios::showpoint);cout.precision(2);

cout << money << endl;

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1441.35

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Manipulators setw(int_val) setprecision(int_val) endl flush setfill(char_val)

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Manipulators setw(int_val)

sets output width to int_val spaces setprecision(int_val) endl flush setfill(char_val)

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Manipulators setw(int_val)

sets output width to int_val spaces setprecision(int_val)

sets precision from there on out to int_val sig figs endl flush setfill(char_val)

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Manipulators setw(int_val)

sets output width to int_val spaces setprecision(int_val)

sets precision from there on out to int_val sig figs endl

puts the cursor at the beginning of the next output line flush setfill(char_val)

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Manipulators setw(int_val)

sets output width to int_val spaces setprecision(int_val)

sets precision from there on out to int_val sig figs endl

puts the cursor at the beginning of the next output line flush

flushes the buffer setfill(char_val)

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Manipulators setw(int_val)

sets output width to int_val spaces setprecision(int_val)

sets precision from there on out to int_val sig figs endl

puts the cursor at the beginning of the next output line flush

flushes the buffer setfill(char_val)

fills non-output space in a field to char_val

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Precision Manipulator#include <iomanip>...float grade1 = 86.1243f;float grade2 = 93.1311f;

cout << setprecision(4) << grade1 << endl;...cout << grade2 << endl;

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86.1293.13

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Width of Output Manipulator#include <iomanip>...float grade1 = 86.1243f;float grade2 = 93.1311f;float grade3 = 74.4142f;

cout << grade1 << endl;cout << setw(10) << grade2 << endl;cout << setfill(‘*’) << setw(10) << grade3 << endl;

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86.1243 93.1311***74.4142

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End of Session