Ex3.3 feedback: The Stack's bufsize was not updated on Stack::grow() so the stack would not actually grow
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2 changed files with 11 additions and 6 deletions
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@ -4,8 +4,6 @@
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void Stack::push(double c) {
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if (full()) {
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std::cout << "Stack::push() Error: stack is full" << std::endl ;
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grow( DELTA );
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}
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s[count++] = c ;
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@ -34,7 +32,10 @@ void Stack::init( int in_size ) {
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}
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void Stack::grow( int delta ) {
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std::cout << "Growing by " << delta << std::endl;
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double* newbuf = new double[ bufsize + delta ];
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int newbufsize = bufsize + delta;
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double* newbuf = new double[ newbufsize ];
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// Copy elements
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for ( int i=0; i < count ; i++ )
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@ -47,4 +48,8 @@ void Stack::grow( int delta ) {
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// Assign pointer
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s = newbuf;
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// Update bufsize
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bufsize = newbufsize;
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}
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@ -7,7 +7,7 @@
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using namespace std ;
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int main() {
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Stack s(10) ;// initialize Stack
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Stack s(5) ;// initialize Stack
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// Write doubles into Stack
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int i ;
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@ -17,7 +17,7 @@ int main() {
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}
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// Count doubles in fifo
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cout << s.nitems() << " value in stack" << endl ;
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cout << s.nitems() << " values in Stack" << endl ;
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cout << "Inspect the FIFO" << endl;
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s.inspect();
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@ -26,7 +26,7 @@ int main() {
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// Read doubles back from fifo
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while (!s.empty()) {
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double val = s.pop() ;
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cout << "popping value " << val << " from stack" << endl ;
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cout << "popping value " << val << " from Stack" << endl ;
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}
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cout << "Inspect the FIFO" << endl;
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