PaulXiCao/expressionTemplatesCppCon2019

CppCon 2019: Expression Templates

Code taken from slides shown in the CppCon2019 talk "Expression Templates for Efficient, Generic Finance Code" by Bowie Owens.

• video on YouTube
• slides

Build

cmake -B build -G Ninja
cmake --build build

Code structure and short explanation

• include/expressionTemplates.hpp: General expr class and concepts for whitelisted arguments for binary operation.
• include/triangle.hpp: One sample type making use of expr.
• tests/standardExample.cpp: Showing the general problem of temporaries in expressions.
• tests/tests.cpp: Applying expression templates for triangle matrix elementwise multiplication. Type MyReal is introduced to count multiplications.