BraggPredictionRotation: Guard for negative rotation direction

2026-01-03 14:50:10 +01:00
parent c2559ed510
commit 68e99afc9e
2 changed files with 3 additions and 1 deletions
@@ -27,6 +27,8 @@ namespace {
    inline int solve_trig(float A, float B, float D,
                          float phi0, float phi1,
                          float out_phi[2]) {
+        if (phi1 < phi0) std::swap(phi0, phi1);
+
        const float R = std::sqrt(A*A + B*B);
        if (!(R > 0.0f))
            return 0;
@@ -15,7 +15,7 @@

 class BraggPredictionRotation : public BraggPrediction {
 public:
-    BraggPredictionRotation(int max_reflections);
+    BraggPredictionRotation(int max_reflections = 200*200*200);

    int Calc(const DiffractionExperiment &experiment,
             const CrystalLattice &lattice,