From 537390db43b07eeee6f0bd776b0f6fb02aed631e Mon Sep 17 00:00:00 2001
From: Ahmet Inan <inan@aicodix.de>
Date: Fri, 21 Sep 2018 17:45:24 +0200
Subject: [PATCH] output debug messages to stderr

---
 bose_chaudhuri_hocquenghem_encoder.hh |  6 ++--
 reed_solomon_encoder.hh               | 12 ++++----
 reed_solomon_error_correction.hh      | 44 +++++++++++++--------------
 3 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/bose_chaudhuri_hocquenghem_encoder.hh b/bose_chaudhuri_hocquenghem_encoder.hh
index 5c6d20a..4ae31d0 100644
--- a/bose_chaudhuri_hocquenghem_encoder.hh
+++ b/bose_chaudhuri_hocquenghem_encoder.hh
@@ -52,10 +52,10 @@ public:
 				assert(!tmp);
 				root *= pe;
 			}
-			std::cout << "generator =";
+			std::cerr << "generator =";
 			for (int i = 0; i <= NP; ++i)
-				std::cout << " " << (int)generator[i];
-			std::cout << std::endl;
+				std::cerr << " " << (int)generator[i];
+			std::cerr << std::endl;
 		}
 	}
 	void operator()(ValueType *code)
diff --git a/reed_solomon_encoder.hh b/reed_solomon_encoder.hh
index 508dfdb..36e274f 100644
--- a/reed_solomon_encoder.hh
+++ b/reed_solomon_encoder.hh
@@ -32,18 +32,18 @@ public:
 		}
 		tmp[NR] = ValueType(1);
 		if (0) {
-			std::cout << "generator = ";
+			std::cerr << "generator = ";
 			for (int i = NR; i > 0; --i) {
 				if (!tmp[i])
 					continue;
 				if (tmp[i] != ValueType(1))
-					std::cout << (int)tmp[i] << "*";
-				std::cout << "x";
+					std::cerr << (int)tmp[i] << "*";
+				std::cerr << "x";
 				if (i != 1)
-					std::cout << "^" << i;
-				std::cout << " + ";
+					std::cerr << "^" << i;
+				std::cerr << " + ";
 			}
-			std::cout << (int)tmp[0] << std::endl;
+			std::cerr << (int)tmp[0] << std::endl;
 		}
 		for (int i = 0; i <= NR; ++i)
 			generator[i] = index(tmp[i]);
diff --git a/reed_solomon_error_correction.hh b/reed_solomon_error_correction.hh
index 14d52a1..d6fdfd2 100644
--- a/reed_solomon_error_correction.hh
+++ b/reed_solomon_error_correction.hh
@@ -212,45 +212,45 @@ struct ReedSolomonErrorCorrection
 			static bool once;
 			if (!once) {
 				once = true;
-				std::cout << "syndromes =";
+				std::cerr << "syndromes =";
 				for (int i = 0; i < NR; ++i)
-					std::cout << " " << (int)syndromes[i];
-				std::cout << std::endl;
-				std::cout << "locator = ";
+					std::cerr << " " << (int)syndromes[i];
+				std::cerr << std::endl;
+				std::cerr << "locator = ";
 				for (int i = NR; i > 0; --i) {
 					if (!locator[i])
 						continue;
 					if (locator[i] != ValueType(1))
-						std::cout << (int)locator[i] << "*";
-					std::cout << "x";
+						std::cerr << (int)locator[i] << "*";
+					std::cerr << "x";
 					if (i != 1)
-						std::cout << "^" << i;
-					std::cout << " + ";
+						std::cerr << "^" << i;
+					std::cerr << " + ";
 				}
-				std::cout << (int)locator[0] << std::endl;
-				std::cout << "locations =";
+				std::cerr << (int)locator[0] << std::endl;
+				std::cerr << "locations =";
 				for (int i = 0; i < count; ++i)
-					std::cout << " " << (int)locations[i];
-				std::cout << std::endl;
-				std::cout << "evaluator = ";
+					std::cerr << " " << (int)locations[i];
+				std::cerr << std::endl;
+				std::cerr << "evaluator = ";
 				for (int i = evaluator_degree; i > 0; --i) {
 					if (!evaluator[i])
 						continue;
 					if (evaluator[i] != ValueType(1))
-						std::cout << (int)evaluator[i] << "*";
-					std::cout << "x";
+						std::cerr << (int)evaluator[i] << "*";
+					std::cerr << "x";
 					if (i != 1)
-						std::cout << "^" << i;
+						std::cerr << "^" << i;
 					if (i != 1 || evaluator[0])
-						std::cout << " + ";
+						std::cerr << " + ";
 				}
 				if (evaluator[0])
-					std::cout << (int)evaluator[0];
-				std::cout << std::endl;
-				std::cout << "magnitudes =";
+					std::cerr << (int)evaluator[0];
+				std::cerr << std::endl;
+				std::cerr << "magnitudes =";
 				for (int i = 0; i < count; ++i)
-					std::cout << " " << (int)magnitudes[i];
-				std::cout << std::endl;
+					std::cerr << " " << (int)magnitudes[i];
+				std::cerr << std::endl;
 			}
 		}
 		return count;