X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance.h;h=4eb2f3f6483f0cc4a4edbdd865dd9c3b1dfd0c31;hb=e9cbda0449c8c50c2295e14737b875cc34751d55;hp=cb83e151409224d1bf1d982a259179b9e79f5f49;hpb=956933cf2545aa67692fd72ef8e4b3e00e524281;p=pspp diff --git a/src/math/covariance.h b/src/math/covariance.h index cb83e15140..4eb2f3f648 100644 --- a/src/math/covariance.h +++ b/src/math/covariance.h @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 2009 Free Software Foundation, Inc. + Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -18,10 +18,9 @@ #ifndef COVARIANCE_H #define COVARIANCE_H -#include - -#include #include +#include +#include "data/missing-values.h" struct covariance; struct variable; @@ -40,8 +39,8 @@ void covariance_accumulate (struct covariance *, const struct ccase *); void covariance_accumulate_pass1 (struct covariance *, const struct ccase *); void covariance_accumulate_pass2 (struct covariance *, const struct ccase *); -const gsl_matrix * covariance_calculate (struct covariance *cov); -const gsl_matrix * covariance_calculate_unnormalized (struct covariance *); +gsl_matrix * covariance_calculate (struct covariance *); +gsl_matrix * covariance_calculate_unnormalized (struct covariance *); void covariance_destroy (struct covariance *cov);