add a negation operator to fixedf

johnbartholomew · May 5, 2012 · 3003356 · 3003356
1 parent 84968ff
commit 3003356
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/fixed.h b/src/fixed.h
@@ -53,6 +53,7 @@ class fixedf {
 	fixedf &operator>>=(const int a) { v >>= a; return (*this); }
 	fixedf &operator<<=(const int a) { v <<= a; return (*this); }
 
+	friend fixedf operator-(const fixedf a) { return fixedf(-a.v); }
 	friend fixedf operator+(const fixedf a, const fixedf b) { return fixedf(a.v+b.v); }
 	friend fixedf operator-(const fixedf a, const fixedf b) { return fixedf(a.v-b.v); }
 	friend fixedf operator*(const fixedf a, const fixedf b) {