From c2b5e6cf434dac91772ab814fa8c408d50417175 Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@17b73243-c579-4c4c-a9d2-2d5706c11dac>
Date: Fri, 7 Nov 2003 14:53:08 +0000
Subject: Allow comparison operators in accumulator expressions.

Add the ! not operator to accumulator expressions.


git-svn-id: http://svn.cactuscode.org/flesh/trunk@3454 17b73243-c579-4c4c-a9d2-2d5706c11dac
---
 src/util/Expression.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/util/Expression.c')

diff --git a/src/util/Expression.c b/src/util/Expression.c
index 9b6156ef..a9728878 100644
--- a/src/util/Expression.c
+++ b/src/util/Expression.c
@@ -109,6 +109,7 @@ static struct
   {"*",  binary, 4,OP_TIMES},
   {"^",  binary, 5,OP_POWER},
   /* Unary Operators - these must have the highest precedence. */
+  {"!",     unary, 6, OP_NOT},
   {"acos",  unary, 6, OP_ACOS},
   {"asin",  unary, 6, OP_ASIN},
   {"atan",  unary, 6, OP_ATAN},
@@ -998,6 +999,9 @@ static int EvaluateUnary(uExpressionValue *retval,
   #define EVALUATEUNARY(retval, val)                   \
   switch(opcode)                                       \
   {                                                    \
+    case OP_NOT :                                      \
+      (retval) = !(val);                               \
+      break;                                           \
     case OP_ACOS :                                     \
       (retval) = acos(val);                            \
       break;                                           \
-- 
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