4.45 gcd - Greatest Common Divisor

Format: gcd( $num_1,num_2$ )

Find out the greatest common divisor of $num_1$ and $num_2$ . Real number will be rounded down to whole number.

Example

Example 1: Basic Example

$ more dat1.csv
id,val1,val2
1,12,36
2,6,5
3,,
4,12.1,36.2
$ mcal c='gcd(${val1},${val2})' a=rsl i=dat1.csv o=rsl1.csv
#END# kgcal a=rsl c=gcd(${val1},${val2}) i=dat1.csv o=rsl1.csv
$ more rsl1.csv
id,val1,val2,rsl
1,12,36,12
2,6,5,1
3,,,
4,12.1,36.2,12

Example 2: Example of constants

Find out the greatest common divisor of val1 column and 36.

$ mcal c='gcd(${val1},36)' a=rsl i=dat1.csv o=rsl2.csv
#END# kgcal a=rsl c=gcd(${val1},36) i=dat1.csv o=rsl2.csv
$ more rsl2.csv
id,val1,val2,rsl
1,12,36,12
2,6,5,6
3,,,
4,12.1,36.2,12