The lambda trick Comparison Binding Constraints Architecture Substitution Construction Conclusion Symbolic Calculus for High-Performance Computing from Scratch using C++23 Vincent Reverdy Laboratoire d’Annecy Substitution Construction Conclusion Preliminary note Back in 2019 EDSL Infinity Wars: Mainstreaming Symbolic Computation, Joël Falcou and Vincent Reverdy, CppCon 2019 Hypothesis This is the Scientific Computing are smart people, you can do it yourself) What this talk is A tutorial so you can build your own symbolic calculus tools from scratch in modern C++ CppCon - Vincent Reverdy - October 4th, 2023 - Aurora

Multiple Units with Different Symbols: . . . . . . . . . . . . . . . . . . 92 11.7.1.1 Graphical Symbolic Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 11.8 Pin Creation . . . . . . . . . . . . . . . . . . . 96 11.8.6 Defining Pins for Multiple Units and Alternate Symbolic Representations . . . . . . . . . . . . . . . . . . 97 11.9 Component Fields . . . . . . . . . component is composed of: • Graphical items (lines, circles, arcs, text, etc ) that provide the symbolic definition. • Pins which have both graphic properties (line, clock, inverted, low level active

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 12.5.4 Symbols with Alternate Symbolic Representation . . . . . . . . . . . . . . . . . . . . . . . . . . 98 12.6 Graphical Elements Having Multiple Units with Different Symbols: . . . . . . . . . . . . . . . 101 12.7.1.1 Graphical Symbolic Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 12.8 Pin Creation . . . . . . . . . . . . . . . . . . 105 12.8.6 Defining Pins for Multiple Units and Alternate Symbolic Representations . . . . . . . . . . . . 106 12.9 Symbol Fields . . . . . . . . . . . . . . . .

A component is composed of: Graphical items (lines, circles, arcs, text, etc ) that provide the symbolic definition. Pins which have both graphic properties (line, clock, inverted, low level active, etc the component has an alternate body style also known as a De Morgan representation. Designing its symbolic representation using lines, rectangles, circles, polygons and text. Adding pins by carefully defining important to correctly set the number of units per package and if the component has an alternate symbolic representation parameters correctly because when pins are edited or created the corresponding pins

A symbol is composed of: Graphical items (lines, circles, arcs, text, etc ) that provide the symbolic definition. Pins which have both graphic properties (line, clock, inverted, low level active, etc the symbol has an alternate body style also known as a De Morgan representation. Designing its symbolic representation using lines, rectangles, circles, polygons and text. Adding pins by carefully defining below. It is very important to correctly set the number of units per package and the alternate symbolic representation, if enabled, because when pins are edited or created the corresponding pins for each

(st_size). For normal files this is the size of the file. For symbolic links, this is the length of the path name contained in the symbolic link. For other objects this fields needs to be specified. 6 not replace any existing destination files on the destination.FollowLinksFollows (and han- dles) (symbolic) links.UpdateOnly copy when the source file is newer than the destination file or when the destination not replace any existing destination files on the destination.FollowLinksFollows (and han- dles) (symbolic) links.UpdateOnly copy when the source file is newer than the destination file or when the destination

Header files 20. The preprocessor 20.1. Conditionals 20.2. Symbolic constants 20.3. Macros 20.4. If defined 20.5. Predefined symbolic constants you can use 1. Introduction to C C is probably the NOT debugging\n"); #else printf("I am debugging\n"); #endif } 20.2. Symbolic constants We can define a symbolic constant: #define VALUE 1 #define PI 3.14 #define NAME "Flavio" When we use our program, the preprocessor replaces its name with the value, before executing the program. Symbolic constants are very useful because we can give names to values without creating variables at compilation

(st_size). For normal files this is the size of the file. For symbolic links, this is the length of the path name contained in the symbolic link. For other objects this fields needs to be specified. 5 followSymlinks If true, symbolic links in the final component will be followed and the ex- istance of the symlink target made the question for this method. If false, a symbolic link in the final component creates a IGuestDirectory object that can be used for further operations. Note: This method follows symbolic links by default at the moment, this may change in the future. If this method fails, the following

(st_size). For normal files this is the size of the file. For symbolic links, this is the length of the path name contained in the symbolic link. For other objects this fields needs to be specified. 5 followSymlinks If true, symbolic links in the final component will be followed and the ex- istance of the symlink target made the question for this method. If false, a symbolic link in the final component creates a IGuestDirectory object that can be used for further operations. Note: This method follows symbolic links by default at the moment, this may change in the future. If this method fails, the following

(st_size). For normal files this is the size of the file. For symbolic links, this is the length of the path name contained in the symbolic link. For other objects this fields needs to be specified. 5 followSymlinks If true, symbolic links in the final component will be followed and the ex- istance of the symlink target made the question for this method. If false, a symbolic link in the final component creates a IGuestDirectory object that can be used for further operations. Note: This method follows symbolic links by default at the moment, this may change in the future. If this method fails, the following