提取工具函数

This commit is contained in:
SOR
2026-06-21 11:05:42 +08:00
parent c59105ef43
commit 1c48f91be5
13 changed files with 259 additions and 444 deletions
+2 -19
View File
@@ -1,14 +1,7 @@
import math
from decimal import Decimal, ROUND_HALF_EVEN
def get_decimal_places(data_strings):
"""获取输入数据中小数点后的位数"""
max_places = 0
for s in data_strings:
if '.' in s:
places = len(s.split('.')[1])
max_places = max(max_places, places)
return max_places
from utils import get_decimal_places, scientific_round
def calc_uncertainty(data_strs, res_str="0.05"):
# 转换为 Decimal 进行高精度计算
@@ -44,17 +37,7 @@ def format_final_result(mean, u):
1. 不确定度 u 保留一位有效数字
2. 平均值末位与 u 对齐
"""
u_float = float(u)
# 找到第一位非零数字的位置
first_digit_pos = math.floor(math.log10(u_float))
prec = Decimal('1e' + str(first_digit_pos))
# 修改:不确定度 u 的修约改为 ROUND_HALF_EVEN
u_final = u.quantize(prec, rounding=ROUND_HALF_EVEN)
# 修改:平均值修约保持一致
mean_final = mean.quantize(prec, rounding=ROUND_HALF_EVEN)
mean_final, u_final = scientific_round(mean, u)
return f"f = {mean_final} ± {u_final}"
if __name__ == "__main__":