From 22d5d86a810db3ffb5894e7be5262d6d7e1ec4be Mon Sep 17 00:00:00 2001 From: Andrea Mazzoleni Date: Sat, 7 Sep 2013 17:47:00 +0200 Subject: [PATCH] Applies some semplifications to RAIDTP equations. --- raid.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/raid.c b/raid.c index d4203c89..48f14d29 100644 --- a/raid.c +++ b/raid.c @@ -1209,10 +1209,10 @@ void raidTP_recov_3data(unsigned char** dptrs, unsigned diskmax, unsigned size, /* select tables */ denominator = mul(pow2(failc-faila) ^ 1, inv(pow2(failb-faila) ^ 1)) ^ mul(pow4(failc-faila) ^ 1, inv(pow4(failb-faila) ^ 1)); pcmul = table( inv(mul(denominator, pow2(failb-faila) ^ 1)) ^ inv(mul(denominator, pow4(failb-faila) ^ 1)) ); - qcmul = table( inv(mul(mul(denominator, pow2(failb-faila) ^ 1), pow2(faila))) ); - rcmul = table( inv(mul(mul(denominator, pow4(failb-faila) ^ 1), pow4(faila))) ); + qcmul = table( inv(mul(denominator, pow2(failb) ^ pow2(faila))) ); + rcmul = table( inv(mul(denominator, pow4(failb) ^ pow4(faila))) ); pbmul = table( inv(pow2(failb-faila) ^ 1) ); - qbmul = table( inv(mul(pow2(faila), pow2(failb-faila) ^ 1)) ); + qbmul = table( inv(pow2(failb) ^ pow2(faila)) ); cbmul = table( mul(pow2(failc-faila) ^ 1, inv(pow2(failb-faila) ^ 1)) ); while (size--) {