X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fts%2Finnovations.c;h=b9a7cf223442a42ce597748320647a23a0739939;hb=04a62b3c3fc21cc5d320c9e68cd46642bb309553;hp=553e20e8f7953a879595c3ddb0dce2e0e715b1dc;hpb=4aa40ed36fcdb13f73520945d804e6d3d8d52738;p=pspp-builds.git

diff --git a/src/math/ts/innovations.c b/src/math/ts/innovations.c
index 553e20e8..b9a7cf22 100644
--- a/src/math/ts/innovations.c
+++ b/src/math/ts/innovations.c
@@ -160,7 +160,7 @@ innovations_update_scale (struct innovations_estimate *est, double *theta,
       for (j = 0; j < i; j++)
 	{
 	  k = i - j - 1;
-	  result -= theta[k] * theta[k] * est->scale[j];
+	  result -= pow2 (theta[k]) * est->scale[j];
 	}
       est->scale[i] = result;
     }