pocketlang/tests/examples/pi.pk


## PI approximation using Leibniz formula.
##
## PI/4 = 1 - 1/3 + 1/5 - 1/7 + 1/9 - ...

from math import abs, PI

pi_by_4 = 0; sign = -1
for i in 1..100000
	sign    *= -1
	pi_by_4 += sign * 1/(2*i - 1)
end

pi = 4 * pi_by_4
assert(abs(pi - PI) < 0.00002)

print('PI =', pi)
readme updated with preformance benchmarks 2021-05-31 08:01:41 +08:00
			`## PI approximation using Leibniz formula.`
			`##`
			`## PI/4 = 1 - 1/3 + 1/5 - 1/7 + 1/9 - ...`

disassemble implemented 2021-06-12 14:56:09 +08:00			`from math import abs, PI`
readme updated with preformance benchmarks 2021-05-31 08:01:41 +08:00
			`pi_by_4 = 0; sign = -1`
disassemble implemented 2021-06-12 14:56:09 +08:00			`for i in 1..100000`
readme updated with preformance benchmarks 2021-05-31 08:01:41 +08:00			`sign *= -1`
			`pi_by_4 += sign * 1/(2*i - 1)`
			`end`

disassemble implemented 2021-06-12 14:56:09 +08:00			`pi = 4 * pi_by_4`
			`assert(abs(pi - PI) < 0.00002)`

			`print('PI =', pi)`
readme updated with preformance benchmarks 2021-05-31 08:01:41 +08:00