/* 

	ex05_03.c


Testing the math library functions 

*/

#include <stdio.h>
#include <math.h>

int main(void) {

   printf( "sqrt(%.1f) = %.1f\n", 900.0, sqrt( 900.0 ) );
   printf( "sqrt(%.1f) = %.1f\n", 9.0, sqrt( 9.0 ) );

   printf("\n");

   printf( "exp(%.1f) = %f\n", 1.0, exp( 1.0 ) );
   printf( "exp(%.1f) = %f\n", 2.0, exp( 2.0 ) );

   printf("\n");

   printf( "log(%f) = %.1f\n", 2.718282, log( 2.718282 ) );
   printf( "log(%f) = %.1f\n", 7.389056, log( 7.389056 ) );

   printf("\n");

   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 ) );

   printf("\n");

   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 ) );

   printf("\n");

   printf( "ceil(%.1f) = %.1f\n", 9.2, ceil( 9.2 ) );
   printf( "ceil(%.1f) = %.1f\n", -9.8, ceil( -9.8 ) );

   printf("\n");

   printf( "floor(%.1f) = %.1f\n", 9.2, floor( 9.2 ) );
   printf( "floor(%.1f) = %.1f\n", -9.8, floor( -9.8 ) );

   printf("\n");

   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 ) );

   printf("\n");

   printf( "fmod(%.3f/%.3f) = %.3f\n", 13.675, 2.333, fmod( 13.675, 2.333 ) );

   printf("\n");

   printf( "sin(%.1f) = %.1f\n", 0.0, sin( 0.0 ) );
   printf( "cos(%.1f) = %.1f\n", 0.0, cos( 0.0 ) );
   printf( "tan(%.1f) = %.1f\n", 0.0, tan( 0.0 ) );

   return 0;

}

/* ****************************************************

sample program output 


sqrt(900.0) = 30.0
sqrt(9.0) = 3.0

exp(1.0) = 2.718282
exp(2.0) = 7.389056

log(2.718282) = 1.0
log(7.389056) = 2.0

log10(1.0) = 0.0
log10(10.0) = 1.0
log10(100.0) = 2.0

fabs(13.5) = 13.5
fabs(0.0) = 0.0
fabs(-13.5) = 13.5

ceil(9.2) = 10.0
ceil(-9.8) = -9.0

floor(9.2) = 9.0
floor(-9.8) = -10.0

pow(2.0, 7.0) = 128.0
pow(9.0, 0.5) = 3.0

fmod(13.675/2.333) = 2.010

sin(0.0) = 0.0
cos(0.0) = 1.0
tan(0.0) = 0.0

 **************************************************** */


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 * (C) Copyright 2000 by Deitel & Associates, Inc. and Prentice Hall.     *
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