From b68f13acdc7430fd2aa0cfc235fef246bc0b6b4a Mon Sep 17 00:00:00 2001
From: emma <emma@tebibyte.media>
Date: Thu, 1 Feb 2024 12:38:12 -0700
Subject: [PATCH] rpn(1): added floor division

---
 src/rpn.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/rpn.rs b/src/rpn.rs
index 5322ee6..c7a261d 100644
--- a/src/rpn.rs
+++ b/src/rpn.rs
@@ -50,7 +50,7 @@ use std::{
 	process::ExitCode,
 };
 
-use CalcType::{ Add, Divide, Modulo, Multiply, Power, Subtract, Val };
+use CalcType::{ Add, Divide, Floor, Modulo, Multiply, Power, Subtract, Val };
 
 extern crate sysexits;
 
@@ -64,6 +64,7 @@ enum CalcType {
 	Multiply,
 	Divide,
 	Power,
+	Floor,
 	Modulo,
 	Val(f64),
 }
@@ -97,6 +98,7 @@ fn str_to_calc_type(string: &str) -> Option<CalcType> {
 		"*" => Some(Multiply),
 		"/" => Some(Divide),
 		"^" => Some(Power),
+		"//" => Some(Floor),
 		"%" => Some(Modulo),
 		_ => None,
 	}
@@ -153,6 +155,7 @@ fn eval(
 					Multiply => &stack.push_back(y * x),
 					Divide => &stack.push_back(y / x),
 					Power => &stack.push_back(x.powf(*y)),
+					Floor => &stack.push_back((y / x).floor()),
 					Modulo => &stack.push_back(y % x),
 					_ => &{},
 				};