Why do you need separate macros for floating point comparisons?
为什么需要用单独的宏进行浮点数比较？
Google provides the macros shown in Listing 9 for floating point comparisons.
Google提供清单9所示的宏以支持浮点数比较。
One of the trickiest checks in regression setups is doing floating point comparisons.
回归测试中最棘手的检查之一是浮点比较。
The issue with floating point comparisons is that of precisions—f1 and result*result start differing from a couple of places after the decimal point.
浮点比较的问题在于精度 —f1和result*result在小数点后面的几位不一致。
So at this point in the story-- at this level in the story, if you will, I've touched one, two, three, four numbers total or I've made two comparisons.
那么这时，我总共已经动过了1，2，3，4个数字,或者说我做了两次比较。
This highlights the fact that, while the lowest point of the downturn has probably passed (which quarter-on-quarter comparisons would indicate), the recovery is occurring from a low base.
这突出表明一个事实：虽然经济下滑的最低点可能已经过去(季度与季度的对比能显示出来)，但经济复苏的起点低。
Comparisons were conducted on the catheter bending rate, dislocation rate, obstruction rate, oozing of puncture point and catheter insertion time.
比较两组患者的置管意外(导管折叠、脱出和阻塞)发生率、穿刺点渗血情况和置管时间。
Additionally, averaging the profitability of a customer over the life of a product allows comparisons of customers at any point in the product lifecycle.
此外，产品整个使用过程中平均的客户利润贡献能力能够用来比较的客户在产品生命周期的任何阶段的利润贡献能力。
Additionally, averaging the profitability of a customer over the life of a product allows comparisons of customers at any point in the product lifecycle.
此外，产品整个使用过程中平均的客户利润贡献能力能够用来比较的客户在产品生命周期的任何阶段的利润贡献能力。
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