Use standard C99 isfinite, isnan, isinf in place of GSL substitutes.

[pspp] / src / math / linreg.c

diff --git a/src/math/linreg.c b/src/math/linreg.c
index b3ab58754fd4e5471dc8f9201beca0cae020445a..7e7d4a5504a88bbf8924e2d04ec450bab8cf3669 100644 (file)
--- a/src/math/linreg.c
+++ b/src/math/linreg.c
@@ -546,7 +546,7 @@ pspp_linreg_residual (const struct variable **predictors,
     }
   pred = pspp_linreg_predict (predictors, vals, c, n_vals);
 
-  result = gsl_isnan (pred) ? GSL_NAN : (obs->f - pred);
+  result = isnan (pred) ? GSL_NAN : (obs->f - pred);
   return result;
 }