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$ ######## Activate optimized mode as described in the README ########
$ __shellmath_isOptimized=1
$ ######## Addition ########
$ time { for ((i=0; i<100; i++)); do _shellmath_add 3.1415926 2.7182818; _shellmath_getReturnValue sum; done; }
real 0m0.196s
user 0m0.195s
sys 0m0.000s
$ time { for ((i=0; i<100; i++)); do sum=$(bc <<< "3.1415926+2.7182818"); done; }
real 0m0.488s
user 0m0.092s
sys 0m0.384s
$ ######## Subtraction ########
$ time { for ((i=0; i<100; i++)); do _shellmath_subtract 3.1415926 2.7182818; _shellmath_getReturnValue diff; done; }
real 0m0.236s
user 0m0.234s
sys 0m0.001s
$ time { for ((i=0; i<100; i++)); do diff=$(bc <<< "3.1415926-2.7182818"); done; }
real 0m0.461s
user 0m0.090s
sys 0m0.388s
$ ######## Multiplication ########
$ time { for ((i=0; i<100; i++)); do _shellmath_multiply 3.1415926 2.7182818; _shellmath_getReturnValue prod; done; }
real 0m0.340s
user 0m0.333s
sys 0m0.005s
$ time { for ((i=0; i<100; i++)); do prod=$(bc <<< "3.1415926*2.7182818"); done; }
real 0m0.465s
user 0m0.105s
sys 0m0.377s
$ ######## Division ########
$ time { for ((i=0; i<100; i++)); do _shellmath_divide 3.1415926/2.7182818; _shellmath_getReturnValue quot; done; }
real 0m0.196s
user 0m0.195s
sys 0m0.000s
$ time { for ((i=0; i<100; i++)); do quot=$(bc <<< "scale=8; 3.1415926/2.7182818"); done; }
real 0m0.463s
user 0m0.116s
sys 0m0.364s
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