Add Fastor library

noarch/include/Fastor/tensor/TensorInplaceOperators.h

@@ -0,0 +1,58 @@
+#ifndef TENSOR_INPLACE_OPERATORS_H
+#define TENSOR_INPLACE_OPERATORS_H
+
+// CRTP Overloads for nth rank Tensors
+//---------------------------------------------------------------------------------------------//
+template<typename Derived, size_t DIMS>
+FASTOR_INLINE auto& operator +=(const AbstractTensor<Derived,DIMS>& src_) {
+    assign_add(*this, src_.self());
+    return *this;
+}
+
+template<typename Derived, size_t DIMS>
+FASTOR_INLINE auto& operator -=(const AbstractTensor<Derived,DIMS>& src_) {
+    assign_sub(*this, src_.self());
+    return *this;
+}
+
+template<typename Derived, size_t DIMS>
+FASTOR_INLINE auto& operator *=(const AbstractTensor<Derived,DIMS>& src_) {
+    assign_mul(*this, src_.self());
+    return *this;
+}
+
+template<typename Derived, size_t DIMS>
+FASTOR_INLINE auto& operator /=(const AbstractTensor<Derived,DIMS>& src_) {
+    assign_div(*this, src_.self());
+    return *this;
+}
+//---------------------------------------------------------------------------------------------//
+
+// Scalar overloads for in-place operators
+//---------------------------------------------------------------------------------------------//
+template<typename U=T, enable_if_t_<is_arithmetic_v_<U>,bool> = 0 >
+FASTOR_INLINE auto& operator +=(U num) {
+    trivial_assign_add(*this, num);
+    return *this;
+}
+
+template<typename U=T, enable_if_t_<is_arithmetic_v_<U>,bool> = 0 >
+FASTOR_INLINE auto& operator -=(U num) {
+    trivial_assign_sub(*this, num);
+    return *this;
+}
+
+template<typename U=T, enable_if_t_<is_arithmetic_v_<U>,bool> = 0 >
+FASTOR_INLINE auto& operator *=(U num) {
+    trivial_assign_mul(*this, num);
+    return *this;
+}
+
+template<typename U=T, enable_if_t_<is_arithmetic_v_<U>,bool> = 0 >
+FASTOR_INLINE auto& operator /=(U num) {
+    trivial_assign_div(*this, num);
+    return *this;
+}
+//---------------------------------------------------------------------------------------------//
+
+#endif // TENSOR_INPLACE_OPERATORS_H