Using the code fragment below, fill in the missing sections with the comments as a guide

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#include

#include

// The four arithmetic operations ... one of these functions is selected

// at runtime with a switch or a function pointer

float Plus (float a, float b) { return a+b; }

float Minus (float a, float b) { return a-b; }

float Multiply(float a, float b) { return a*b; }

float Divide (float a, float b) { return a/b; }

// Solution with a switch-statement

// specifies which operation to execute

void Switch(float a, float b, char opCode) {

float result;

// execute operation

switch(opCode) {

case '+' : result = Plus (a, b); break;

case '-' : result = Minus (a, b); break;

case '*' : result = Multiply (a, b); break;

case '/' : result = Divide (a, b); break;

}

printf("Switch: 2+5=%.2lf ", result); // display result

}

// Solution with a function pointer

// is a function pointer and points to a function that

// takes two floats and returns a float

// 4. fill in the parameters, 3 of them, the 3rd

// one should be the function pointer

void Replace_Switch( ) {

float result;

// 5. call the function using the function pointer

// sent in as the third argument

result =

printf("Switch replaced by function pointer: 2+5=");

printf("%.2lf ", result);

}

int main() {

float result;

// 1. declare a function pointer and assign it

// to point to the plus function

// 2. call function with function pointer assigning result to

// the function call and sending 2 and 5 as the arguments

printf("%.2lf ", result);

// the function using switch and no function pointer

Switch(2,5, '+');

// 3. call function using the function that replaces switch

return 0;

}