Inline BigInt::shrink_to_fit

Improves P-256 a bit

2 files changed, 5 insertions, 7 deletions

diff --git a/src/lib/math/bigint/bigint.cpp b/src/lib/math/bigint/bigint.cpp
index 39cff666c..495907d1a 100644
--- a/src/lib/math/bigint/bigint.cpp
+++ b/src/lib/math/bigint/bigint.cpp
@@ -341,12 +341,6 @@ void BigInt::binary_decode(const uint8_t buf[], size_t length)
       m_reg[length / WORD_BYTES] = (m_reg[length / WORD_BYTES] << 8) | buf[i];
    }
 
-void BigInt::shrink_to_fit(size_t min_size)
-   {
-   const size_t words = std::max(min_size, sig_words());
-   m_reg.resize(words);
-   }
-
 #if defined(BOTAN_HAS_VALGRIND)
 void BigInt::const_time_poison() const
    {
diff --git a/src/lib/math/bigint/bigint.h b/src/lib/math/bigint/bigint.h
index d5bd4ad4f..64ab24e7d 100644
--- a/src/lib/math/bigint/bigint.h
+++ b/src/lib/math/bigint/bigint.h
@@ -552,7 +552,11 @@ class BOTAN_PUBLIC_API(2,0) BigInt final
      * Resize the vector to the minimum word size to hold the integer, or
      * min_size words, whichever is larger
      */
-     void shrink_to_fit(size_t min_size = 0);
+     void shrink_to_fit(size_t min_size = 0)
+        {
+        const size_t words = std::max(min_size, sig_words());
+        m_reg.resize(words);
+        }
 
      /**
      * Fill BigInt with a random number with size of bitsize