From c6b189b583ed80bf3483cbae95cc3fe09857e97f Mon Sep 17 00:00:00 2001
From: John60676 <John60676@qq.com>
Date: Thu, 17 Dec 2020 15:12:57 +0800
Subject: [PATCH] fix: slider accuracy problems #3346 (#3379)

---
 components/vc-slider/src/utils.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/vc-slider/src/utils.js b/components/vc-slider/src/utils.js
index 50d345354..24e7f2708 100644
--- a/components/vc-slider/src/utils.js
+++ b/components/vc-slider/src/utils.js
@@ -22,7 +22,8 @@ export function isNotTouchEvent(e) {
 export function getClosestPoint(val, { marks, step, min, max }) {
   const points = Object.keys(marks).map(parseFloat);
   if (step !== null) {
-    const maxSteps = Math.floor((max - min) / step);
+    const base = 10 ** getPrecision(step);
+    const maxSteps = Math.floor((max * base - min * base) / (step * base));
     const steps = Math.min((val - min) / step, maxSteps);
     const closestStep = Math.round(steps) * step + min;
     points.push(closestStep);