Add some missing functions to C and C# bindings.

Author: adalisk-emikhaylov

scripts/mrbind/extra_headers/instantiate_templates.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef MR_PARSING_FOR_PB11_BINDINGS
+#ifdef MR_PARSING_FOR_ANY_BINDINGS
 
 #include "MRMesh/MRDistanceMap.h"
 #include "MRMesh/MRMesh.h"
@@ -20,31 +20,41 @@ namespace MR
 
 #define VEC3(T, isFloatingPoint) \
     template struct Vector3<T>; \
+    template T distanceSq( const Vector3<T> & a, const Vector3<T> & b ); \
+    INST_IF(isFloatingPoint)( \
+        template T distance( const Vector3<T> & a, const Vector3<T> & b ); \
+    ) \
     template Vector3<T> cross( const Vector3<T> & a, const Vector3<T> & b ); \
     template T dot( const Vector3<T> & a, const Vector3<T> & b ); \
     template T sqr( const Vector3<T> & a ); \
     template T mixed( const Vector3<T> & a, const Vector3<T> & b, const Vector3<T> & c ); \
     template Vector3<T> mult( const Vector3<T>& a, const Vector3<T>& b ); \
+    template Vector3<T> div( const Vector3<T>& a, const Vector3<T>& b ); \
     template T angle( const Vector3<T> & a, const Vector3<T> & b ); \
     INST_IF(isFloatingPoint)( \
         template Vector3<T> unitVector3( T azimuth, T altitude ); \
     )
 
-#define VEC2(T) \
+#define VEC2(T, isFloatingPoint) \
     template struct Vector2<T>; \
+    template T distanceSq( const Vector2<T> & a, const Vector2<T> & b ); \
+    INST_IF(isFloatingPoint)( \
+        template T distance( const Vector2<T> & a, const Vector2<T> & b ); \
+    ) \
     template T cross( const Vector2<T> & a, const Vector2<T> & b ); \
     template T dot( const Vector2<T> & a, const Vector2<T> & b ); \
     template T sqr( const Vector2<T> & a ); \
     template Vector2<T> mult( const Vector2<T>& a, const Vector2<T>& b ); \
+    template Vector2<T> div( const Vector2<T>& a, const Vector2<T>& b ); \
     template T angle( const Vector2<T> & a, const Vector2<T> & b );
 
 VEC3(float, 1)
 VEC3(double, 1)
 VEC3(int, 0)
 
-VEC2(float)
-VEC2(double)
-VEC2(int)
+VEC2(float, 1)
+VEC2(double, 1)
+VEC2(int, 0)
 
 #undef VEC3
 #undef VEC2

source/MRMesh/MRBitSet.h

@@ -336,15 +336,15 @@ template <typename I>
 
 /// iterator to enumerate all indices with set bits in BitSet class or its derivatives
 template <typename T>
-class MR_BIND_IGNORE SetBitIteratorT
+class MR_BIND_IGNORE_PY SetBitIteratorT
 {
 public:
     using IndexType = typename T::IndexType;
 
     using iterator_category = std::forward_iterator_tag;
     using value_type        = IndexType;
     using difference_type   = std::ptrdiff_t;
-    using reference         = const IndexType; ///< intentionally not a reference
+    using reference         = IndexType; ///< intentionally not a reference
     using pointer           = const IndexType *;
 
     /// constructs end iterator
@@ -377,16 +377,16 @@ class MR_BIND_IGNORE SetBitIteratorT
 };
 
 
-[[nodiscard]] MR_BIND_IGNORE inline auto begin( const BitSet & a )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto begin( const BitSet & a )
     { return SetBitIteratorT<BitSet>(a); }
-[[nodiscard]] MR_BIND_IGNORE inline auto end( const BitSet & )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto end( const BitSet & )
     { return SetBitIteratorT<BitSet>(); }
 
 template <typename I>
-[[nodiscard]] MR_BIND_IGNORE inline auto begin( const TypedBitSet<I> & a )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto begin( const TypedBitSet<I> & a )
     { return SetBitIteratorT<TypedBitSet<I>>(a); }
 template <typename I>
-[[nodiscard]] MR_BIND_IGNORE inline auto end( const TypedBitSet<I> & )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto end( const TypedBitSet<I> & )
     { return SetBitIteratorT<TypedBitSet<I>>(); }
 
 /// creates a Vector where for each set bit of input bitset its sequential number starting from 0 is returned; and -1 for reset bits

source/MRMesh/MRVector.h

@@ -163,19 +163,19 @@ class Vector
 };
 
 template <typename T, typename I>
-[[nodiscard]] MR_BIND_IGNORE inline auto begin( const Vector<T, I> & a )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto begin( const Vector<T, I> & a )
     { return a.vec_.begin(); }
 
 template <typename T, typename I>
-[[nodiscard]] MR_BIND_IGNORE inline auto begin( Vector<T, I> & a )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto begin( Vector<T, I> & a )
     { return a.vec_.begin(); }
 
 template <typename T, typename I>
-[[nodiscard]] MR_BIND_IGNORE inline auto end( const Vector<T, I> & a )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto end( const Vector<T, I> & a )
     { return a.vec_.end(); }
 
 template <typename T, typename I>
-[[nodiscard]] MR_BIND_IGNORE inline auto end( Vector<T, I> & a )
+[[nodiscard]] MR_BIND_IGNORE_PY inline auto end( Vector<T, I> & a )
     { return a.vec_.end(); }
 
 /// given some std::vector and a key, returns the value associated with the key, or default value if key is invalid or outside the std::vector

source/MRMesh/MRVector2.h

@@ -202,17 +202,17 @@ inline Vector2<T> Vector2<T>::furthestBasisVector() const MR_REQUIRES_IF_SUPPORT
 }
 
 
-// We don't need to bind those functions themselves. This doesn't prevent `__iter__` from being generated for the type.
+// We don't need to bind those functions in Python, because this doesn't prevent `__iter__` from being generated for the type.
 
 template <typename T>
-MR_BIND_IGNORE inline auto begin( const Vector2<T> & v ) { return &v[0]; }
+MR_BIND_IGNORE_PY inline auto begin( const Vector2<T> & v ) { return &v[0]; }
 template <typename T>
-MR_BIND_IGNORE inline auto begin( Vector2<T> & v ) { return &v[0]; }
+MR_BIND_IGNORE_PY inline auto begin( Vector2<T> & v ) { return &v[0]; }
 
 template <typename T>
-MR_BIND_IGNORE inline auto end( const Vector2<T> & v ) { return &v[2]; }
+MR_BIND_IGNORE_PY inline auto end( const Vector2<T> & v ) { return &v[2]; }
 template <typename T>
-MR_BIND_IGNORE inline auto end( Vector2<T> & v ) { return &v[2]; }
+MR_BIND_IGNORE_PY inline auto end( Vector2<T> & v ) { return &v[2]; }
 
 /// \}
 

source/MRMesh/MRVector3.h

@@ -258,17 +258,17 @@ Vector3<T> unitVector3( T azimuth, T altitude )
 }
 
 
-// We don't need to bind those functions themselves. This doesn't prevent `__iter__` from being generated for the type.
+// We don't need to bind those functions in Python, because this doesn't prevent `__iter__` from being generated for the type.
 
 template <typename T>
-MR_BIND_IGNORE inline auto begin( const Vector3<T> & v ) { return &v[0]; }
+MR_BIND_IGNORE_PY inline auto begin( const Vector3<T> & v ) { return &v[0]; }
 template <typename T>
-MR_BIND_IGNORE inline auto begin( Vector3<T> & v ) { return &v[0]; }
+MR_BIND_IGNORE_PY inline auto begin( Vector3<T> & v ) { return &v[0]; }
 
 template <typename T>
-MR_BIND_IGNORE inline auto end( const Vector3<T> & v ) { return &v[3]; }
+MR_BIND_IGNORE_PY inline auto end( const Vector3<T> & v ) { return &v[3]; }
 template <typename T>
-MR_BIND_IGNORE inline auto end( Vector3<T> & v ) { return &v[3]; }
+MR_BIND_IGNORE_PY inline auto end( Vector3<T> & v ) { return &v[3]; }
 
 /// \}
 

source/MRMesh/MRVector4.h

@@ -169,17 +169,17 @@ inline Vector4<T> div( const Vector4<T>& a, const Vector4<T>& b )
 }
 
 
-// We don't need to bind those functions themselves. This doesn't prevent `__iter__` from being generated for the type.
+// We don't need to bind those functions in Python, because this doesn't prevent `__iter__` from being generated for the type.
 
 template <typename T>
-MR_BIND_IGNORE auto begin( const Vector4<T> & v ) { return &v[0]; }
+MR_BIND_IGNORE_PY auto begin( const Vector4<T> & v ) { return &v[0]; }
 template <typename T>
-MR_BIND_IGNORE auto begin( Vector4<T> & v ) { return &v[0]; }
+MR_BIND_IGNORE_PY auto begin( Vector4<T> & v ) { return &v[0]; }
 
 template <typename T>
-MR_BIND_IGNORE auto end( const Vector4<T> & v ) { return &v[4]; }
+MR_BIND_IGNORE_PY auto end( const Vector4<T> & v ) { return &v[4]; }
 template <typename T>
-MR_BIND_IGNORE auto end( Vector4<T> & v ) { return &v[4]; }
+MR_BIND_IGNORE_PY auto end( Vector4<T> & v ) { return &v[4]; }
 
 /// \}
 

source/MRPch/MRBindingMacros.h

@@ -20,13 +20,21 @@
 // Mark a declaration with this to avoid generating a binding for it.
 #define MR_BIND_IGNORE __attribute__((__annotate__("mrbind::ignore")))
 
+// Same, but specific to Python.
+#ifdef MR_PARSING_FOR_PB11_BINDINGS
+#define MR_BIND_IGNORE_PY MR_BIND_IGNORE
+#else
+#define MR_BIND_IGNORE_PY
+#endif
+
 // This is a specialized replacement for `MR_CANONICAL_TYPEDEFS()`, to be used on full template specializations, where that macro doesn't work.
 #define MR_BIND_PREFERRED_NAME(...) __attribute__((__annotate__(DETAIL_MR_BIND_PREFERRED_NAME(mrbind::preferred_name=__VA_ARGS__))))
 #define DETAIL_MR_BIND_PREFERRED_NAME(...) #__VA_ARGS__
 
 #else
 #define MR_BIND_TEMPLATE(...)
 #define MR_BIND_IGNORE
+#define MR_BIND_IGNORE_PY
 #define MR_BIND_PREFERRED_NAME(...)
 #endif