1,000,000 Hypotenuse Script a guest Jul 11th, 2012 786 Never a guest786Never

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rawdownloadcloneembedreportprint Perl 5.39 KB #!/usr/bin/perl -w ################################################################################# # This Perl script calculates a million triangle hypotenuses with sides of length # varying from 0.0 to 50.0. Some interesting statistics are then captured during # the scripts runtime. # # The triangle takes creates two values, the length of Side "A" and # the length of Side "B" to calculate teh hypotenuse using the # Pythagorean Theorem: A^2 + B^2 = C^2 ################################################################################# srand ; # Intialize the random number generator # Print out some messages print ( "This is the awesome hypotenuse calculator Perl script.

" ) ; print ( "The script will now create a million randomly sized

" ) ; print ( "triangles with a,b values from 1 to fifty and calculate the average

" ) ; print ( "hypotenuse size.

" ) ; print ( "*******************************************************************

" ) ; print ( "Please press a key to begin:" ) ; <STDIN> ; # Grab a response from the user and begin! $start_time = `time /t` ; # Capture start time using the Windows "time" command chomp ( $start_time ) ; # Get rid of carriage return at end of line captured from the Windows "time" command $total_a = 0 ; # Initialize Side A Length Totals in order to calculate an average $total_b = 0 ; # Initialize Side B Length Totals in order to calculate an average $total_hypot = 0 ; # Initialize the Hypotenuse Length in order to calculate an average for ( $i = 0 ; $i < 1000000 ; $i ++ ) { # This is the loop that runs from zero to 999,999 before exiting -- running 1,000,000 times $a = rand 50 ; # Calculate a random value for Side A - a value from 0 to 50. $b = rand 50 ; # Calculate a random value for Side B - a value from 0 to 50. if ( $i == 0 ) { # If this is the first time through the loop... $smallest_a = $a ; # Then the smallest A is the current one. $largest_a = $a ; # Then the largest A is the current one. $smallest_b = $b ; # Then the smallest B is the current one. $largest_b = $b ; # Then the largest B is the current one. } if ( $a < $smallest_a ) { # Check to see if the current Side A length is smaller than the current smallest Side A length. $smallest_a = $a ; # If the current Side A length *is* smaller than the current record, then the current Side A is now the recode smallest Side A length } if ( $a > $largest_a ) { # Check to see if the current Side A length is larger than the current largest Side A length $largest_a = $a ; # If the current Side A length *is* larger than the current record, then the current Side A is now the record largest Side A length } if ( $b < $smallest_b ) { # Check to see if the current Side B length is smaller than the current smallest Side B length. $smallest_b = $b ; # If the current Side B length *is* smaller than the current record, then the current Side B is now the recode smallest Side B length } if ( $b > $largest_b ) { # If the current Side B length *is* larger than the current record, then the current Side B is now the record largest Side B length $largest_b = $b ; # If the current Side B length *is* larger than the current record, then the current Side B is now the record largest Side B length } $hypot = sqrt ( $a ** 2 + $b ** 2 ) ; # Calculate the hypotenuse = square root of (A^2 + B^2) if ( $i == 0 ) { # Is this the first time through the loop? $smallest_hypot = $hypot ; # If so, then initialize the value of the smallest hypotenuse. $largest_hypot = $hypot ; # If so, then initialize the value of the largest hypotenuse. } if ( $hypot < $smallest_hypot ) { # Is the current hypotenuse smaller than the current record smallest hypotenuse? $smallest_hypot = $hypot ; # If so, then make the current hypotenuse the new record smallest hypotenuse. } if ( $hypot > $largest_hypot ) { # Is the current hypotenuse larger than the current record largest hypotenuse? $largest_hypot = $hypot # If so, then make the current hypotenuse the new record largest hypotenuse. } $total_a = $total_a + $a ; # Add new Side A Length to total. $total_b = $total_b + $b ; # Add new Side B Length to total. $total_hypot = $total_hypot + $hypot ; # Adde new hypotenuse to total. printf ( "Your hypotenuse with a=%9.5f and b=%9.5f is:%9.5f

" , $a , $b , $hypot ) ; } $end_time = `time /t` ; # Capture script ending time by using the Windows "time" command chomp ( $end_time ) ; # Get rid of the carriage return at the end of the captured line from the Windows "time" command print ( "

A total of $i triangles have been calculated.



" ) ; $average_a = $total_a / $i ; # Calculate average Side A Length $average_b = $total_b / $i ; # Calculate average Side B Length $average_hypot = $total_hypot / $i ; # Calculate average hypotenuse length printf ( "The smallest value for \" a \" is.......:%9.5f

" , $smallest_a ) ; printf ( "The smallest value for \" b \" is.......:%9.5f

" , $smallest_b ) ; printf ( "The smallest hypotenuse value is....:%9.5f



" , $smallest_hypot ) ; printf ( "The largest value for \" a \" is........:%9.5f

" , $largest_a ) ; printf ( "The largest value for \" b \" is........:%9.5f

" , $largest_b ) ; printf ( "The largest hypotenuse value is.....:%9.5f



" , $largest_hypot ) ; printf ( "The average value for \" a \" is........:%9.5f

" , $average_a ) ; printf ( "The average value for \" b \" is........:%9.5f

" , $average_b ) ; printf ( "The average hypotenuse value is.....:%9.5f



" , $average_hypot ) ; print "

" ; print "Script started at: $start_time

" ; print "Script ended at: $end_time

" ;

RAW Paste Data

#!/usr/bin/perl -w ################################################################################# # This Perl script calculates a million triangle hypotenuses with sides of length # varying from 0.0 to 50.0. Some interesting statistics are then captured during # the scripts runtime. # # The triangle takes creates two values, the length of Side "A" and # the length of Side "B" to calculate teh hypotenuse using the # Pythagorean Theorem: A^2 + B^2 = C^2 ################################################################################# srand; # Intialize the random number generator # Print out some messages print ("This is the awesome hypotenuse calculator Perl script.

"); print ("The script will now create a million randomly sized

"); print ("triangles with a,b values from 1 to fifty and calculate the average

"); print ("hypotenuse size.

"); print ("*******************************************************************

"); print ("Please press a key to begin:"); <STDIN>; # Grab a response from the user and begin! $start_time = `time /t`; # Capture start time using the Windows "time" command chomp($start_time); # Get rid of carriage return at end of line captured from the Windows "time" command $total_a = 0; # Initialize Side A Length Totals in order to calculate an average $total_b = 0; # Initialize Side B Length Totals in order to calculate an average $total_hypot = 0; # Initialize the Hypotenuse Length in order to calculate an average for($i=0;$i<1000000;$i++) { # This is the loop that runs from zero to 999,999 before exiting -- running 1,000,000 times $a = rand 50; # Calculate a random value for Side A - a value from 0 to 50. $b = rand 50; # Calculate a random value for Side B - a value from 0 to 50. if ($i == 0) { # If this is the first time through the loop... $smallest_a = $a; # Then the smallest A is the current one. $largest_a = $a; # Then the largest A is the current one. $smallest_b = $b; # Then the smallest B is the current one. $largest_b = $b; # Then the largest B is the current one. } if ($a < $smallest_a) { # Check to see if the current Side A length is smaller than the current smallest Side A length. $smallest_a = $a; # If the current Side A length *is* smaller than the current record, then the current Side A is now the recode smallest Side A length } if ($a > $largest_a) { # Check to see if the current Side A length is larger than the current largest Side A length $largest_a = $a; # If the current Side A length *is* larger than the current record, then the current Side A is now the record largest Side A length } if ($b < $smallest_b) { # Check to see if the current Side B length is smaller than the current smallest Side B length. $smallest_b = $b; # If the current Side B length *is* smaller than the current record, then the current Side B is now the recode smallest Side B length } if ($b > $largest_b) { # If the current Side B length *is* larger than the current record, then the current Side B is now the record largest Side B length $largest_b = $b; # If the current Side B length *is* larger than the current record, then the current Side B is now the record largest Side B length } $hypot = sqrt($a**2 + $b**2); # Calculate the hypotenuse = square root of (A^2 + B^2) if ($i == 0) { # Is this the first time through the loop? $smallest_hypot = $hypot; # If so, then initialize the value of the smallest hypotenuse. $largest_hypot = $hypot; # If so, then initialize the value of the largest hypotenuse. } if ($hypot < $smallest_hypot) { # Is the current hypotenuse smaller than the current record smallest hypotenuse? $smallest_hypot = $hypot; # If so, then make the current hypotenuse the new record smallest hypotenuse. } if ($hypot > $largest_hypot) { # Is the current hypotenuse larger than the current record largest hypotenuse? $largest_hypot = $hypot # If so, then make the current hypotenuse the new record largest hypotenuse. } $total_a = $total_a + $a; # Add new Side A Length to total. $total_b = $total_b + $b; # Add new Side B Length to total. $total_hypot = $total_hypot + $hypot; # Adde new hypotenuse to total. printf ("Your hypotenuse with a=%9.5f and b=%9.5f is:%9.5f

", $a, $b, $hypot); } $end_time = `time /t`; # Capture script ending time by using the Windows "time" command chomp($end_time); # Get rid of the carriage return at the end of the captured line from the Windows "time" command print ("

A total of $i triangles have been calculated.



"); $average_a = $total_a/$i; # Calculate average Side A Length $average_b = $total_b/$i; # Calculate average Side B Length $average_hypot = $total_hypot/$i; # Calculate average hypotenuse length printf ("The smallest value for \"a\" is.......:%9.5f

", $smallest_a); printf ("The smallest value for \"b\" is.......:%9.5f

", $smallest_b); printf ("The smallest hypotenuse value is....:%9.5f



", $smallest_hypot); printf ("The largest value for \"a\" is........:%9.5f

", $largest_a); printf ("The largest value for \"b\" is........:%9.5f

", $largest_b); printf ("The largest hypotenuse value is.....:%9.5f



", $largest_hypot); printf ("The average value for \"a\" is........:%9.5f

", $average_a); printf ("The average value for \"b\" is........:%9.5f

", $average_b); printf ("The average hypotenuse value is.....:%9.5f



", $average_hypot); print "

"; print "Script started at: $start_time

"; print "Script ended at: $end_time

";