if else in fortran code example

Example 1: fortran if statement

if(condition)then
	! do this if condition is true
endif

Example 2: fortran elseif statement

if(condition1)then
	! do this if condition1 is true
else if(condition2)then
	! else do this if condition2 is ture
endif

Example 3: fortrna if statement

if(conditional)then
    ! Do something
elseif(conditional)then
    ! Do something else
else
    ! Otherwise do this
endif