diff options
Diffstat (limited to 'experimental/Intersection/QuadraticUtilities.h')
| -rw-r--r-- | experimental/Intersection/QuadraticUtilities.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/experimental/Intersection/QuadraticUtilities.h b/experimental/Intersection/QuadraticUtilities.h index 5bc15eac92..3230e9beb5 100644 --- a/experimental/Intersection/QuadraticUtilities.h +++ b/experimental/Intersection/QuadraticUtilities.h @@ -4,6 +4,10 @@ * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ + +#if !defined QUADRATIC_UTILITIES_H +#define QUADRATIC_UTILITIES_H + #include "DataTypes.h" void dxdy_at_t(const Quadratic& , double t, double& x, double& y); @@ -24,5 +28,7 @@ inline void set_abc(const double* quad, double& a, double& b, double& c) { } int quadraticRoots(double A, double B, double C, double t[2]); - +int quadraticRootsX(const double A, const double B, const double C, double s[2]); void xy_at_t(const Quadratic& , double t, double& x, double& y); + +#endif |