how to display answer of tan(PI/2) using mikroc?

[naya2013]

answer of tan(pi/2) how can display using mikroc?when i tried.but (pi) undeclared e identifier 'pi' in expression.help me......?

 

[jayanth.devarayanadurga]

---

Code C - [expand]
1
2
3
4
5
6
7
8
9
void main(){
 
      const Pi = 3.14159265;
      double tanVal = 0.0;
 
      tanVal = tan(pi / 2.0);
     
      while(1);
}

---

 

[naya2013]

---

Code C - [expand]
1
2
3
4
5
6
7
8
9
void main(){
 
      const Pi = 3.14159265;
      double tanVal = 0.0;
 
      tanVal = tan(pi / 2.0);
     
      while(1);
}

---

there is a problem.we know tan(pi/2.0)=0.02742243
but how can we display it using lcd?

 

[jayanth.devarayanadurga]

---

Code C - [expand]
1
2
3
4
5
6
7
8
9
10
11
12
unsigned char sTanVal[23] = "";
 
void main(){
 
      const Pi = 3.14159265;
      double tanVal = 0.0;
 
      tanVal = tan(pi / 2.0);
      FloatToStr(tanVal, sTanVal);
      Lcd_Out(1,1,sTanVal);
      while(1);
}

---