Add an optional 'fixed parameters' parameter

1 files changed, 11 insertions, 9 deletions

diff --git a/definitions.sty b/definitions.sty
index f6d2e94..f21eb49 100644
--- a/definitions.sty
+++ b/definitions.sty
@@ -1,12 +1,14 @@
-\newtheorem{definition}{Definition}[chapter]
-
-% #1: Name of query problem
-% #2: The structure to preprocess
-% #3: Queries to handle
-\newcommand{\queryproblem}[3]{
-    \textsc{#1}
+\usepackage{ifthen}
 
-    \textbf{Given:} #2
+\newtheorem{definition}{Definition}[chapter]
 
-    \textbf{Queries:} #3
+% #1 (optional): Fixed parameters of the problem
+% #2: Name of query problem
+% #3: The structure to preprocess
+% #4: Queries to handle
+\newcommand{\queryproblem}[4][]{
+    \textsc{#2} \\
+    \ifthenelse{\equal{#1}{}}{}{\textbf{Fixed:} #1 \\}
+    \textbf{Given:} #3 \\
+    \textbf{Queries:} #4
 }