19. The method of claim 18 , the operations further comprising: assigning a first set of values to the first and the second symbolic expressions; and compiling an executable code based on the first set of values.
19. The method of claim 18 , the operations further comprising: assigning a first set of values to the first and the second symbolic expressions; and compiling an executable code based on the first set of values. 20. The method of claim 19 , the operations further comprising: assigning a second set of values to the first and the second symbolic expressions; and compiling an executable code based on the second set of values.