From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/Prog1/examples/ch03/Ex03_03.cpp | 67 ++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Bachelor/Prog1/examples/ch03/Ex03_03.cpp (limited to 'Bachelor/Prog1/examples/ch03/Ex03_03.cpp') diff --git a/Bachelor/Prog1/examples/ch03/Ex03_03.cpp b/Bachelor/Prog1/examples/ch03/Ex03_03.cpp new file mode 100644 index 0000000..af9b320 --- /dev/null +++ b/Bachelor/Prog1/examples/ch03/Ex03_03.cpp @@ -0,0 +1,67 @@ +// Exercise 3.3: ex03_03.cpp +// Testing the math library functions. +#include + +using std::cout; +using std::endl; +using std::fixed; + +#include + +using std::setprecision; + +#include + +int main() +{ + cout << fixed << setprecision( 1 ); + + cout << "sqrt(" << 900.0 << ") = " << sqrt( 900.0 ) + << "\nsqrt(" << 9.0 << ") = " << sqrt( 9.0 ); + cout << "\nexp(" << 1.0 << ") = " << setprecision( 6 ) + << exp( 1.0 ) << "\nexp(" << setprecision( 1 ) << 2.0 + << ") = " << setprecision( 6 ) << exp( 2.0 ); + cout << "\nlog(" << 2.718282 << ") = " << setprecision( 1 ) + << log( 2.718282 ) + << "\nlog(" << setprecision( 6 ) << 7.389056 << ") = " + << setprecision( 1 ) << log( 7.389056 ); + cout << "\nlog10(" << 1.0 << ") = " << log10( 1.0 ) + << "\nlog10(" << 10.0 << ") = " << log10( 10.0 ) + << "\nlog10(" << 100.0 << ") = " << log10( 100.0 ) ; + cout << "\nfabs(" << 13.5 << ") = " << fabs( 13.5 ) + << "\nfabs(" << 0.0 << ") = " << fabs( 0.0 ) + << "\nfabs(" << -13.5 << ") = " << fabs( -13.5 ); + cout << "\nceil(" << 9.2 << ") = " << ceil( 9.2 ) + << "\nceil(" << -9.8 << ") = " << ceil( -9.8 ); + cout << "\nfloor(" << 9.2 << ") = " << floor( 9.2 ) + << "\nfloor(" << -9.8 << ") = " << floor( -9.8 ); + cout << "\npow(" << 2.0 << ", " << 7.0 << ") = " + << pow( 2.0, 7.0 ) << "\npow(" << 9.0 << ", " + << 0.5 << ") = " << pow( 9.0, 0.5 ); + cout << setprecision(3) << "\nfmod(" + << 13.675 << ", " << 2.333 << ") = " + << fmod( 13.675, 2.333 ) << setprecision( 1 ); + cout << "\nsin(" << 0.0 << ") = " << sin( 0.0 ); + cout << "\ncos(" << 0.0 << ") = " << cos( 0.0 ); + cout << "\ntan(" << 0.0 << ") = " << tan( 0.0 ) << endl; + + return 0; // indicates successful termination + +} // end main + + + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ -- cgit v1.2.3