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// Structs to hold points in 5D space.
#ifndef VECTORS_H
#define VECTORS_H
#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
struct LongPoint;
// Real-world units
struct FloatPoint
{
float x; // Coordinate axes
float y;
float z;
float e; // Extrude length
float f; // Feedrate
FloatPoint();
FloatPoint(const LongPoint& a);
};
inline FloatPoint::FloatPoint()
{
x = 0;
y = 0;
z = 0;
e = 0;
f = 0;
}
inline FloatPoint operator+(const FloatPoint& a, const FloatPoint& b)
{
FloatPoint result;
result.x = a.x + b.x;
result.y = a.y + b.y;
result.z = a.z + b.z;
result.e = a.e + b.e;
result.f = a.f + b.f;
return result;
}
inline FloatPoint operator-(const FloatPoint& a, const FloatPoint& b)
{
FloatPoint result;
result.x = a.x - b.x;
result.y = a.y - b.y;
result.z = a.z - b.z;
result.e = a.e - b.e;
result.f = a.f - b.f;
return result;
}
// NB - the next gives neither the scalar nor the vector product
inline FloatPoint operator*(const FloatPoint& a, const FloatPoint& b)
{
FloatPoint result;
result.x = a.x * b.x;
result.y = a.y * b.y;
result.z = a.z * b.z;
result.e = a.e * b.e;
result.f = a.f * b.f;
return result;
}
// Can't use fabs for this as it's defined somewhere in a #define
inline FloatPoint fabsv(const FloatPoint& a)
{
FloatPoint result;
result.x = fabs(a.x);
result.y = fabs(a.y);
result.z = fabs(a.z);
result.e = fabs(a.e);
result.f = fabs(a.f);
return result;
}
// Integer numbers of steps
struct LongPoint
{
long x; // Coordinates
long y;
long z;
long e; // Extrusion
long f; // Feedrate
};
inline LongPoint operator+(const LongPoint& a, const LongPoint& b)
{
LongPoint result;
result.x = a.x + b.x;
result.y = a.y + b.y;
result.z = a.z + b.z;
result.e = a.e + b.e;
result.f = a.f + b.f;
return result;
}
inline LongPoint operator-(const LongPoint& a, const LongPoint& b)
{
LongPoint result;
result.x = a.x - b.x;
result.y = a.y - b.y;
result.z = a.z - b.z;
result.e = a.e - b.e;
result.f = a.f - b.f;
return result;
}
inline LongPoint absv(const LongPoint& a)
{
LongPoint result;
result.x = abs(a.x);
result.y = abs(a.y);
result.z = abs(a.z);
result.e = abs(a.e);
result.f = abs(a.f);
return result;
}
inline LongPoint roundv(const FloatPoint& a)
{
LongPoint result;
result.x = round(a.x);
result.y = round(a.y);
result.z = round(a.z);
result.e = round(a.e);
result.f = round(a.f);
return result;
}
inline LongPoint to_steps(const FloatPoint& units, const FloatPoint& position)
{
return roundv(units*position);
}
inline FloatPoint from_steps(const FloatPoint& units, const LongPoint& position)
{
FloatPoint inv = units;
inv.x = 1.0/inv.x;
inv.y = 1.0/inv.y;
inv.z = 1.0/inv.z;
inv.e = 1.0/inv.e;
inv.f = 1.0/inv.f;
return roundv(inv*position);
}
inline FloatPoint::FloatPoint(const LongPoint& a)
{
x = a.x;
y = a.y;
z = a.z;
e = a.e;
f = a.f;
}
#endif
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