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Make code useable from C++ #2

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Make code useable from C++ #2

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8 changes: 8 additions & 0 deletions gps.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@
#include <stdio.h>
#include "kalman.h"

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus

/* Create a GPS filter that only tracks two dimensions of position and
velocity.
The inherent assumption is that changes in velocity are randomly
Expand Down Expand Up @@ -56,4 +60,8 @@ double calculate_mph(double lat, double lon,
/* Extract speed in miles per hour from a velocity2d Kalman filter. */
double get_mph(KalmanFilter f);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif
8 changes: 8 additions & 0 deletions kalman.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,10 @@

#include "matrix.h"

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus

/* Refer to http://en.wikipedia.org/wiki/Kalman_filter for
mathematical details. The naming scheme is that variables get names
that make sense, and are commented with their analog in
Expand Down Expand Up @@ -86,4 +90,8 @@ void predict(KalmanFilter f);
/* Just the estimation phase of update. */
void estimate(KalmanFilter f);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif
8 changes: 8 additions & 0 deletions matrix.h
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Original file line number Diff line number Diff line change
@@ -1,6 +1,10 @@
#ifndef __MATRIX_H__
#define __MATRIX_H__

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus

typedef struct {
/* Dimensions */
int rows;
Expand Down Expand Up @@ -73,4 +77,8 @@ void shear_row(Matrix m, int r1, int r2, double scalar);
input is mutated as well by this routine. */
int destructive_invert_matrix(Matrix input, Matrix output);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif