3d: WindowsAPI: modification: creation: step works 005 : error: subtract

:: subtract does work well
We do'not include stdio.h and stdlib.h, so, we think, "Linked well".


20191122:
we've already recognised twice call. 


> .\winmain_001.exe
p( 0.000000, 1.000000, 2.000000)
p( 0.000000, 1.000000, 3.000000)
---

#include "vPoint.h"
#include "vLine.h"
#include "vCalculation.h"

int main () {

	vCalculation* calc = new vCalculation();;
	vPoint *a, *b, *c, *d;

	a= new vPoint( 5.0f, 5.0f, 5.0f);
	b= new vPoint( 5.0f, 4.0f, 3.0f);
	d= new vPoint( 5.0f, 4.0f, 2.0f);

	c = calc->subtract( a, b );
	c->print();

	c = calc->subtract( a, d );
	c->print();


	return 0;
}

---
20191122:
we've already recognised just one call 

.\winmain_001.exe
p( 0.000000, 1.000000, 2.000000)

---
#include "vPoint.h"
#include "vLine.h"
#include "vCalculation.h"

int main () {

	vCalculation* calc = new vCalculation();;
	vPoint *a, *b, *c;

	a= new vPoint( 5.0f, 5.0f, 5.0f);
	b= new vPoint( 5.0f, 4.0f, 3.0f);

	c = calc->subtract( a, b );
	c->print();

	return 0;
}