From 21a44d6cb9a372bce5c7418d2a82c88bb0485e60 Mon Sep 17 00:00:00 2001
From: kaiyu <404897439@qq.com>
Date: Mon, 17 Jan 2022 14:44:56 +0800
Subject: [PATCH] screen-api 完成城市空气质量同期对比接口
---
screen-common/src/main/java/com/moral/util/MathUtils.java | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/screen-common/src/main/java/com/moral/util/MathUtils.java b/screen-common/src/main/java/com/moral/util/MathUtils.java
index f067ff7..54f58a9 100644
--- a/screen-common/src/main/java/com/moral/util/MathUtils.java
+++ b/screen-common/src/main/java/com/moral/util/MathUtils.java
@@ -50,4 +50,20 @@
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.multiply(b2).doubleValue();
}
+
+ /**
+ * @Description: ���������accurate������������������
+ * @Param: [a, b, accurate]
+ * @return: double
+ * @Author: ���������
+ * @Date: 2021/11/2
+ */
+ public static double division(double a, double b,int accurate) {
+ if (accurate < 0) {
+ throw new RuntimeException("���������������������������������");
+ }
+ BigDecimal b1 = new BigDecimal(a);
+ BigDecimal b2 = new BigDecimal(b);
+ return b1.divide(b2, accurate, BigDecimal.ROUND_HALF_UP).doubleValue();
+ }
}
--
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