From 64bf3d211491d1b0e79762c896aa9de00a8bec1c Mon Sep 17 00:00:00 2001
From: Chih-Jen Lin <cjlin@csie.ntu.edu.tw>
Date: Sat, 30 Jun 2018 08:04:32 +0800
Subject: [PATCH] Print more digit of predicted labels (%.17g) as more accurate
 target values may be needed for regression. This change follows from the
 recent changes in LIBSVM.

---
 matlab/libsvmwrite.c | 2 +-
 predict.c            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/matlab/libsvmwrite.c b/matlab/libsvmwrite.c
index 3c59178..b077d38 100644
--- a/matlab/libsvmwrite.c
+++ b/matlab/libsvmwrite.c
@@ -68,7 +68,7 @@ void libsvmwrite(const char *filename, const mxArray *label_vec, const mxArray *
 
 	for(i=0;i<l;i++)
 	{
-		fprintf(fp,"%g", labels[i]);
+		fprintf(fp,"%.17g", labels[i]);
 
 		low = jc[i], high = jc[i+1];
 		for(k=low;k<high;k++)
diff --git a/predict.c b/predict.c
index a043181..8f415d2 100644
--- a/predict.c
+++ b/predict.c
@@ -145,7 +145,7 @@ void do_predict(FILE *input, FILE *output)
 		else
 		{
 			predict_label = predict(model_,x);
-			fprintf(output,"%g\n",predict_label);
+			fprintf(output,"%.17g\n",predict_label);
 		}
 
 		if(predict_label == target_label)
-- 
2.40.0