COMMON/common/working.cmn

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2021-12-11 20:06:16 +00:00
RCD(UNIT_TESTS)
CMN
BRS(FIBONACCI) ; #Expect FIBONACCI: 2.236 5.000
ESC
BRK
; Calculate the square root of five using this Fibonacci series identity:
;
; F(n) F(n-1) _
; ------ + ------ → √5 as n → ∞
; F(n-1) F(n)
;
; FIBONACCI: 2.236 5.000
BGN(FIBONACCI)
SET(R0, 1)
CPR(R1, R0)
_1 ADD(R2, R1, R0)
BRO(_2)
CPR(R0, R1)
CPR(R1, R2)
BRA(_1)
_2 DIV(R2, R0, R1)
DIV(R1, R1, R0)
ADD(R0, R1, R2)
MUL(R1, R0, R0)
EXT(S1, O_FIBONACCI)
RTN
END(FIBONACCI)
END(UNIT_TESTS)
RDT(_)
; Preset constants
; Output D format: decimal, leading sign for negative, no padding, no thousands separators, period for decimal, three decimal places
DEF(O_FIBONACCI, 'FIBONACCI: \eD0 \eD1\n')
END(_)