From 81f78bf16d437d241852797cb6042f4cd8c8e5db Mon Sep 17 00:00:00 2001
From: Joshua Charkow <joshuacharkow@gmail.com>
Date: Wed, 27 Nov 2024 10:47:30 -0500
Subject: [PATCH] fix: ValueError: Buffer dtype mismatch, expected 'DATA_TYPE'
 but got 'double'

need to cast to np.float_32
---
 .gitignore                 | 1 +
 pyprophet/data_handling.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index f374cdc..d9a6697 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,4 @@ nosetests.xml
 
 # vim
 *.sw[opqrs]
+*~
diff --git a/pyprophet/data_handling.py b/pyprophet/data_handling.py
index 29c52b7..23ddd65 100644
--- a/pyprophet/data_handling.py
+++ b/pyprophet/data_handling.py
@@ -360,7 +360,7 @@ def filter_(self, idx):
     def add_peak_group_rank(self):
         ids = self.df.tg_num_id.values
         scores = self.df.d_score.values
-        peak_group_ranks = rank(ids, scores)
+        peak_group_ranks = rank(ids, scores.astype(np.float32, copy=False))
         self.df["peak_group_rank"] = peak_group_ranks
 
     @profile