How to resolve the algorithm Exceptions/Catch an exception thrown in a nested call step by step in the PARI/GP programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Exceptions/Catch an exception thrown in a nested call step by step in the PARI/GP programming language
Table of Contents
Problem Statement
Show how to create a user-defined exception and show how to catch an exception raised from several nested calls away.
Show/describe what happens when the program is run.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Exceptions/Catch an exception thrown in a nested call step by step in the PARI/GP programming language
Source code in the pari/gp programming language
call = 0;
U0() = error("x = ", 1, " should not happen!");
U1() = error("x = ", 2, " should not happen!");
baz(x) = if(x==1, U0(), x==2, U1());x;
bar() = baz(call++);
foo() = if(!call, iferr(bar(), E, printf("Caught exception, call=%d",call)), bar())
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