JamesFlare/CSCI-1200
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include the exception triggering line

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Jidong Xiao
2025-03-13 23:46:36 -04:00
committed by JamesFlare1212
parent ef18fb8634
commit 139fe1ee9c
2 changed files with 3 additions and 2 deletions
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3
lectures/17_exceptions/README.md
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@@ -194,7 +194,7 @@ int main () {
lines.push_back(Line(Point(0, 0), Point(1, 1))); // slope = 1 lines.push_back(Line(Point(0, 0), Point(1, 1))); // slope = 1
lines.push_back(Line(Point(0, 0), Point(2, 3))); // slope = 1.5 lines.push_back(Line(Point(0, 0), Point(2, 3))); // slope = 1.5
lines.push_back(Line(Point(0, 0), Point(5, 2))); // slope = 0.4 lines.push_back(Line(Point(0, 0), Point(5, 2))); // slope = 0.4
// lines.push_back(Line(Point(3, 2), Point(3, 5))); // vertical line (should throw) lines.push_back(Line(Point(3, 2), Point(3, 5))); // vertical line (should throw)
try { try {
organize(lines); organize(lines);
// Print the sorted lines based on steepness // Print the sorted lines based on steepness
@@ -217,6 +217,7 @@ int main () {
Specifically note the behavior if one of the lines has infinite slope (a vertical line). Specifically note the behavior if one of the lines has infinite slope (a vertical line).
- Note also how the exception propagates out through several nested function calls. - Note also how the exception propagates out through several nested function calls.
- Question: there are two catches in this program, the exception will be caught by which catch?
- Exercise: Rewrite this code to have the same behavior but without exceptions. Try to preserve the overall - Exercise: Rewrite this code to have the same behavior but without exceptions. Try to preserve the overall
structure of the code as much as possible. (Hmm... it’s messy!) structure of the code as much as possible. (Hmm... it’s messy!)

2
lectures/17_exceptions/slope.cpp
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@@ -45,7 +45,7 @@ int main () {
lines.push_back(Line(Point(0, 0), Point(1, 1))); // slope = 1 lines.push_back(Line(Point(0, 0), Point(1, 1))); // slope = 1
lines.push_back(Line(Point(0, 0), Point(2, 3))); // slope = 1.5 lines.push_back(Line(Point(0, 0), Point(2, 3))); // slope = 1.5
lines.push_back(Line(Point(0, 0), Point(5, 2))); // slope = 0.4 lines.push_back(Line(Point(0, 0), Point(5, 2))); // slope = 0.4
// lines.push_back(Line(Point(3, 2), Point(3, 5))); // vertical line (should throw) lines.push_back(Line(Point(3, 2), Point(3, 5))); // vertical line (should throw)
try { try {
organize(lines); organize(lines);
// Print the sorted lines based on steepness // Print the sorted lines based on steepness