From e5e8635ab5e21991e890b229c9c563ffeec2db31 Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@warta.it>
Date: Wed, 22 Jul 2015 00:15:55 +0200
Subject: Refactor BigInt

---
 src/lib/math/bigint/bigint.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/lib/math/bigint/bigint.cpp')

diff --git a/src/lib/math/bigint/bigint.cpp b/src/lib/math/bigint/bigint.cpp
index 045117cbd..242a7fe0b 100644
--- a/src/lib/math/bigint/bigint.cpp
+++ b/src/lib/math/bigint/bigint.cpp
@@ -173,6 +173,11 @@ void BigInt::clear_bit(size_t n)
       m_reg[which] &= ~mask;
    }
 
+size_t BigInt::bytes() const
+   {
+   return round_up(bits(), 8) / 8;
+   }
+
 /*
 * Count how many bits are being used
 */
@@ -253,6 +258,12 @@ BigInt BigInt::abs() const
    return x;
    }
 
+void BigInt::grow_to(size_t n)
+   {
+   if(n > size())
+      m_reg.resize(round_up(n, 8));
+   }
+
 /*
 * Encode this number into bytes
 */
-- 
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