gforth/sieve.fs - diff

Return to sieve.fs CVS log

Up to [gforth] / gforth

version 1.1, 1994/02/11 16:30:47	version 1.3, 1994/10/18 15:51:22
Line 1	Line 1
#! /usr/stud/paysan/bin/forth	#! /usr/stud/paysan/bin/forth

$1FFE Constant 8190	DECIMAL
Create flags 8190 allot	: SECS TIME&DATE 2DROP DROP 60 * + 60 * + ;
flags 8190 + AConstant eflag	CREATE FLAGS 8190 ALLOT
	FLAGS 8190 + CONSTANT EFLAG

: PRIMES ( -- n ) FLAGS 8190 1 FILL 0 3 EFLAG FLAGS	: PRIMES ( -- n ) FLAGS 8190 1 FILL 0 3 EFLAG FLAGS
DO I C@	DO I C@
IF DUP I + DUP EFLAG <	IF DUP I + DUP EFLAG <
IF EFLAG SWAP	IF EFLAG SWAP
DO 0 I C! DUP +LOOP	DO 0 I C! DUP +LOOP
ELSE DROP THEN >R 1+ R>	ELSE DROP THEN SWAP 1+ SWAP
THEN 2 +	THEN 2 +
LOOP DROP ;	LOOP DROP ;

: BENCHMARK 0 &100 0 DO PRIMES NIP LOOP ;	: BENCHMARK 0 100 0 DO PRIMES NIP LOOP ;
&10 BASE !	SECS BENCHMARK . SECS SWAP - CR . .( secs)
BENCHMARK .
BYE
\ HPPA/720, 50 MHz: user 3.90s	\ HPPA/720, 50 MHz: user 3.90s