/* ex05_03.c */ /* Testing the math library functions */ #include #include /* function main begins program execution */ int main() { /* calculates and outputs the square root */ printf( "sqrt(%.1f) = %.1f\n", 900.0, sqrt( 900.0 ) ); printf( "sqrt(%.1f) = %.1f\n", 9.0, sqrt( 9.0 ) ); /* calculates and outputs the exponential function e to the x */ printf( "exp(%.1f) = %f\n", 1.0, exp( 1.0 ) ); printf( "exp(%.1f) = %f\n", 2.0, exp( 2.0 ) ); /* calculates and outputs the logorithm (base e) */ printf( "log(%f) = %.1f\n", 2.718282, log( 2.718282 ) ); printf( "log(%f) = %.1f\n", 7.389056, log( 7.389056 ) ); /* calculates and outputs the logorithm (base 10) */ printf( "log10(%.1f) = %.1f\n", 1.0, log10( 1.0 ) ); printf( "log10(%.1f) = %.1f\n", 10.0, log10( 10.0 ) ); printf( "log10(%.1f) = %.1f\n", 100.0, log10( 100.0 ) ); /* calculates and outputs the absolute value */ printf( "fabs(%.1f) = %.1f\n", 13.5, fabs( 13.5 ) ); printf( "fabs(%.1f) = %.1f\n", 0.0, fabs( 0.0 ) ); printf( "fabs(%.1f) = %.1f\n", -13.5, fabs( -13.5 ) ); /* calculates and outputs ceil( x ) */ printf( "ceil(%.1f) = %.1f\n", 9.2, ceil( 9.2 ) ); printf( "ceil(%.1f) = %.1f\n", -9.8, ceil( -9.8 ) ); /* calculates and outputs floor( x ) */ printf( "floor(%.1f) = %.1f\n", 9.2, floor( 9.2 ) ); printf( "floor(%.1f) = %.1f\n", -9.8, floor( -9.8 ) ); /* calculates and outputs pow( x, y ) */ printf( "pow(%.1f, %.1f) = %.1f\n", 2.0, 7.0, pow( 2.0, 7.0 ) ); printf( "pow(%.1f, %.1f) = %.1f\n", 9.0, 0.5, pow( 9.0, 0.5 ) ); /* calculates and outputs fmod( x, y ) */ printf( "fmod(%.3f/%.3f) = %.3f\n", 13.675, 2.333, fmod( 13.675, 2.333 ) ); /* calculates and outputs sin( x ) */ printf( "sin(%.1f) = %.1f\n", 0.0, sin( 0.0 ) ); /* calculates and outputs cos( x ) */ printf( "cos(%.1f) = %.1f\n", 0.0, cos( 0.0 ) ); /* calculates and outputs tan( x ) */ printf( "tan(%.1f) = %.1f\n", 0.0, tan( 0.0 ) ); return 0; /* indicates successful termination */ } /* end main */ /************************************************************************** * (C) Copyright 1992-2004 by Deitel & Associates, Inc. and * * Pearson Education, Inc. 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. * *************************************************************************/