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Merge pull request #3721 from liujiabao88/v5-dev

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fix-兼容NumberUtil.add方法传入整型自动类型转换为浮点类型的精度丢失问题
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Golden Looly 2024-09-05 16:38:52 +08:00 committed by GitHub
commit 129588cfd3
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2 changed files with 40 additions and 0 deletions
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32
hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
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@ -97,6 +97,38 @@ public class NumberUtil {
return add(Double.toString(v1), Double.toString(v2)).doubleValue();
}
/**
* 提供精确的加法运算
*
* @param v1 被加数
* @param v2 加数
* @return 和
*/
public static double add(long v1, double v2) {
return add(Long.toString(v1), Double.toString(v2)).doubleValue();
}
/**
* 提供精确的加法运算
*
* @param v1 被加数
* @param v2 加数
* @return 和
*/
public static double add(double v1, long v2) {
return add(Double.toString(v1), Long.toString(v2)).doubleValue();
}
/**
* 提供精确的加法运算
* @param v1 被加数
* @param v2 加数
* @return 和
*/
public static double add(long v1, long v2) {
return add(Long.toString(v1), Long.toString(v2)).doubleValue();
}
/**
* 提供精确的加法运算
*

8
hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
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@ -665,4 +665,12 @@ public class NumberUtilTest {
final Number number = NumberUtil.parseNumber("12,234,456");
assertEquals(new BigDecimal(12234456), number);
}
@Test
public void addIntAndDoubleTest() {
int v1 = 91007279;
double v2 = 0.3545;
final double result = NumberUtil.add(v1, v2);
assertEquals(91007279.3545, result, 0);
}
}