X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance.h;h=2aee9f18b9e0c80a9fa684d58844bebe4442f4a2;hb=00aad3b983774328140a04436d7d6ae7925fec97;hp=7345097195a6b207e6c9cd2e5e8d317ce43de885;hpb=ce4f35416abc94c3c4d39312da42b9fff0788073;p=pspp

diff --git a/src/math/covariance.h b/src/math/covariance.h
index 7345097195..2aee9f18b9 100644
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -40,7 +40,7 @@ void covariance_accumulate_pass1 (struct covariance *, const struct ccase *);
 void covariance_accumulate_pass2 (struct covariance *, const struct ccase *);
 
 gsl_matrix * covariance_calculate (struct covariance *);
-gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
+const gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
 
 void covariance_destroy (struct covariance *cov);