From 35e35f233b5dcf7669361df5ebb8e33f799ae52d Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Sat, 7 Oct 2023 20:45:08 +0100
Subject: Never use exponential notation for latitudes and longitudes.

* rent.scm (cycling-distance): Use ~f instead of ~a while formatting
latitudes and longitudes.
---
 rent.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/rent.scm b/rent.scm
index 1effb3e..7ae101d 100644
--- a/rent.scm
+++ b/rent.scm
@@ -352,7 +352,11 @@ and not distance as the crow flies."
       #(point-b-latitude point-b-longitude))
      (call-with-port (open-bytevector-input-port
                       (http-get*
-                       (format #f "~a/table/v1/bike/~a,~a;~a,~a?annotations=distance&sources=0&destinations=1"
+                       ;; We use ~f for latitude/longitude since ~a
+                       ;; would use the exponential float notation for
+                       ;; small numbers and the API does not like
+                       ;; that.
+                       (format #f "~a/table/v1/bike/~f,~f;~f,~f?annotations=distance&sources=0&destinations=1"
                                %osrm-base-url
                                point-a-longitude point-a-latitude
                                point-b-longitude point-b-latitude)))
-- 
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