From 596d5f1b21f178d98330fb8b52f4f30c670dea75 Mon Sep 17 00:00:00 2001
From: Daniel Maier <daniel.maier@tu-berlin.de>
Date: Sat, 3 Nov 2018 10:34:53 +0100
Subject: [PATCH] correlation calc_error
---
codes/correlation/correlation.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/codes/correlation/correlation.c b/codes/correlation/correlation.c
index e7fd75a..222fb98 100644
--- a/codes/correlation/correlation.c
+++ b/codes/correlation/correlation.c
@@ -41,17 +41,19 @@ void init_array (int m,
static
void calc_error(int m,
DATA_TYPE POLYBENCH_2D(corr,M,M,m,m))
-
{
int i, j;
- double error = 0;
+ double err = 0;
for (i = 0; i < m; i++)
for (j = 0; j < m; j++) {
- error += (corr[i][j] - 1.0)*(corr[i][j] - 1.0);
+ double e = fabs(corr[i][j] - 1.0);
+ if(e > 1)
+ e = 1;
+ err += e;
}
- error /= m*m;
- printf("error: %f\n", error);
+ err /= m*m;
+ printf("error: %f\n", err);
}
/* DCE code. Must scan the entire live-out data.
--
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