Make .eval() evaluate top-level only.

[ginac.git] / ginac / add.cpp

diff --git a/ginac/add.cpp b/ginac/add.cpp
index ed58730941a3c9d062475ef175b44c023010187d..2a2e2f8310fa56217c4e52934f0399d76f7b3108 100644 (file)
--- a/ginac/add.cpp
+++ b/ginac/add.cpp
@@ -326,17 +326,16 @@ ex add::coeff(const ex & s, int n) const
  *  an expression that contain a plain number.
  *  - +(;c) -> c
  *  - +(x;0) -> x
- *
- *  @param level cut-off in recursive evaluation */
-ex add::eval(int level) const
+ */
+ex add::eval() const
 {
-       if ((level == 1) && (flags & status_flags::evaluated)) {
+       if (flags & status_flags::evaluated) {
                GINAC_ASSERT(seq.size()>0);
                GINAC_ASSERT(seq.size()>1 || !overall_coeff.is_zero());
                return *this;
        }
 
-       const epvector evaled = evalchildren(level);
+       const epvector evaled = evalchildren();
        if (unlikely(!evaled.empty())) {
                // start over evaluating a new object
                return dynallocate<add>(std::move(evaled), overall_coeff);