Make the real number size a global variable (yuck).

src/lol/math/real.h

@@ -214,6 +214,8 @@ private:
     bool m_sign, m_nan, m_inf;
 
 public:
+    static int DEFAULT_BIGIT_COUNT;
+
     static inline int bigit_bits() { return 8 * sizeof(bigit_t); }
     inline int bigit_count() const { return m_mantissa.count(); }
     inline int total_bits() const { return bigit_count() * bigit_bits(); }

src/math/real.cpp

@@ -77,7 +77,8 @@ LOL_CONSTANT_GETTER(R_SQRT1_2,  R_SQRT2() / 2);
  * Now carry on with the rest of the Real class.
  */
 
-#define DEFAULT_SIZE 16
+template<>
+int real::DEFAULT_BIGIT_COUNT = 16;
 
 template<> real::Real()
   : m_exponent(0),
@@ -118,7 +119,7 @@ template<> real::Real(double d)
         /* Only works with 32-bit bigits for now */
         static_assert(sizeof(bigit_t) == 4);
         m_exponent = exponent - ((1 << 10) - 1);
-        m_mantissa.resize(DEFAULT_SIZE);
+        m_mantissa.resize(DEFAULT_BIGIT_COUNT);
         m_mantissa[0] = (bigit_t)(u.x >> 20);
         m_mantissa[1] = (bigit_t)(u.x << 12);
         break;