Style fixes

Author: leroyvn

src/sensors/distant.cpp

@@ -317,14 +317,11 @@ class DistantSensorImpl final : public Sensor<Float, Spectrum> {
         auto trafo = m_world_transform->eval(time, active);
         Vector3f v0{ 0.f, 0.f, 1.f };
 
-        if (m_direction_type == RayDirectionType::SampleAll)
+        if (m_direction_type == RayDirectionType::SampleAll) {
             v0 = warp::square_to_uniform_hemisphere(film_sample);
-
-        else if (m_direction_type == RayDirectionType::SampleWidth) {
+        } else if (m_direction_type == RayDirectionType::SampleWidth) {
             // Sample directions only in plane generated by X and Z axes
-            auto [s, c] = sincos(math::Pi<ScalarFloat> * film_sample.x());
-            v0.x()      = c;
-            v0.z()      = s;
+            std::tie(v0.x(), v0.z()) = enoki::sincos(math::Pi<ScalarFloat> * film_sample.x());
         }
 
         // By default, rays point inwards the target direction,
@@ -341,25 +338,19 @@ class DistantSensorImpl final : public Sensor<Float, Spectrum> {
         if constexpr (TargetType == RayTargetType::Point) {
             // Target point selection already handled during init
             ray_weight = wav_weight;
-        }
-
-        else if constexpr (TargetType == RayTargetType::Shape) {
+        } else if constexpr (TargetType == RayTargetType::Shape) {
             // Use area-based sampling of shape
             PositionSample3f ps = m_ray_target_shape->sample_position(
                 time, aperture_sample, active);
-            SurfaceInteraction3f si(ps, zero<Wavelength>());
-            ray_target = si.p;
-            ray_weight =
-                wav_weight / ps.pdf / m_ray_target_shape->surface_area();
+            ray_target = ps.p;
+            ray_weight = wav_weight / ps.pdf / m_ray_target_shape->surface_area();
             /* ray_weight *= dot(-ray.d, si.n); */
-        }
-
-        else { // if constexpr (TargetType == RayTargetType::None) {
+        } else { // if constexpr (TargetType == RayTargetType::None) {
             // Sample target uniformly on bounding sphere cross section
             Point2f offset =
                 warp::square_to_uniform_disk_concentric(aperture_sample);
             Vector3f perp_offset =
-                trafo.transform_affine(Vector3f{ offset.x(), offset.y(), 0.f });
+                trafo.transform_affine(Vector3f(offset.x(), offset.y(), 0.f));
             ray_target = m_bsphere.center + perp_offset * m_bsphere.radius;
             ray_weight = wav_weight;
             // ray_weight *= math::Pi<Float> * sqr(m_bsphere.radius);
@@ -374,9 +365,7 @@ class DistantSensorImpl final : public Sensor<Float, Spectrum> {
                 tmp_ray, HitComputeFlags::Minimal, active);
             active &= si.is_valid();
             ray.o = si.p;
-        }
-
-        else { // if constexpr (OriginType == OriginType::BoundingSphere) {
+        } else { // if constexpr (OriginType == OriginType::BoundingSphere) {
             // Use the scene's bounding sphere to safely position ray origin
             if constexpr (TargetType == RayTargetType::None)
                 ray.o = ray_target - ray.d * m_bsphere.radius;