From faced34f8133e3a2c0b1f571f0d7a9a64282b280 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 26 Jul 2015 11:27:28 +0200
Subject: qfc: use doubles for intermediate values

We could lose precision when multiplying by integral_max with floats.
For doubles, we can count on up to 2^56 - 1 to be expressible somewhat
exactly.
---
 qfunctionconfigurator/functionconfig.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'qfunctionconfigurator/functionconfig.h')

diff --git a/qfunctionconfigurator/functionconfig.h b/qfunctionconfigurator/functionconfig.h
index 74e20cf0..d49a8f7b 100644
--- a/qfunctionconfigurator/functionconfig.h
+++ b/qfunctionconfigurator/functionconfig.h
@@ -20,7 +20,7 @@
 class Map {
 private:
     static constexpr int value_count = 5000;
-    using num = float;
+    using num = double;
     using integral = std::uint16_t;
     static constexpr integral integral_max = std::numeric_limits<integral>::max();
 
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