
PASS log(1) should be used-value-equivalent to 0
PASS log(10, 10) should be used-value-equivalent to 1
PASS exp(0) should be used-value-equivalent to 1
PASS calc(log(e) ) should be used-value-equivalent to 1
PASS calc(e - exp(1)) should be used-value-equivalent to 0
PASS calc(log( 1 + 1 + 2 /2 - 2) ) should be used-value-equivalent to 0
PASS calc(log(1) + exp(0)) should be used-value-equivalent to 2
PASS calc(exp(log(1) + exp(0)*2)) should be used-value-equivalent to 7.4
PASS calc(log(log(1) + exp(0)*10)) should be used-value-equivalent to 2.3
PASS calc(log(log(1) + exp(0)*20, 10)) should be used-value-equivalent to 1.3
PASS calc(log(e)  / log(e) + exp(0)*2 * log(e)) should be used-value-equivalent to 3
PASS calc(log((1 + 1) /2)  / log(e) + exp(0*1)*2 * log(e)) should be used-value-equivalent to 2
PASS calc(log((3 + 1) /2, 2)  / log(e) + exp(0*1)*2 * log(e)) should be used-value-equivalent to 3
PASS calc(log((3 + 1) /2, 2)  / log(e, e) + exp(0*1)*2 * log(e, e)) should be used-value-equivalent to 3
PASS calc(exp(0) + 1) should be used-value-equivalent to 2
PASS calc(log(exp(1))) should be used-value-equivalent to 1
PASS calc(log(exp(log(e)))) should be used-value-equivalent to 1