From d669b8a788ed4e9c95e4551e7bd0cae9a4bfbfa9 Mon Sep 17 00:00:00 2001
From: Alex Shinn <ashinn@users.noreply.github.com>
Date: Wed, 11 Jul 2012 23:17:41 +0900
Subject: [PATCH] preserving exactness when adding ratios and complex numbers

---
 opt/bignum.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/opt/bignum.c b/opt/bignum.c
index 97d8d2b8..a361194d 100644
--- a/opt/bignum.c
+++ b/opt/bignum.c
@@ -995,8 +995,6 @@ sexp sexp_add (sexp ctx, sexp a, sexp b) {
 #if SEXP_USE_COMPLEX
 #if SEXP_USE_RATIOS
   case SEXP_NUM_RAT_CPX:
-    a = tmp = sexp_make_flonum(ctx, sexp_ratio_to_double(a));
-    /* ... FALLTHROUGH ... */
 #endif
   case SEXP_NUM_FLO_CPX:
   case SEXP_NUM_FIX_CPX: