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静默NaN:nan 信号NaN:nan(snan) 不定NaN:nan(ind) 可能以符号作为其中任何一种字符串的前缀。 如果使用了大写格式说明符(%F 而不是 %f),则字符串将按要求以大写字母形式(INF 而不是 inf)输出。 已修改 scanf 函数以便分析这些新的字符串,因此这些字符串现在通过 printf 和scanf 往返。 浮点格式设置和...
無訊息的 NaN:nan 訊號NaN:nan(snan) 不確定的 NaN:nan(ind) 其中任何一項都可以有正負號的前置詞。 如果使用了大寫格式指定名稱 (%F,而非 %f),則此字串會視需要以大寫字母 (INF,而非 inf) 來列印。 scanf 函式在經過修改之後,已可剖析這些新字串,讓這些字串現在可以透過 printf 及scanf 來回。
if not FLAG_SUPPORT_INF_NAN: grads = [p.grad.data for p in params if p.grad is not None] return torch_npu.npu.utils.npu_check_overflow(grads) for p in params: if p.grad is not None and self._has_inf_or_nan(p.grad.data): return True return False loss_scaler.LossScalerBase....
isnan() — Test for NaN isnormal() — Determines if X is normal __isPosixOn() — Test for POSIX runtime option isprint() — Test for printable character classification ispunct() — Test for punctuation classification isspace() — Test for space character classification isunordered()...
If the spin of the Pcs pentaquark is J=12 (32), it will mix with the D¯Ξc′ (D¯Ξc∗) channel, which will result into a molecular picture more complex than that of the Pc pentaquarks (i.e. that of a single channel D¯Σc or D¯∗Σc molecule). Here we will ...
(int*)&b);//如果是减法就把y的第一位取反if(sign=='-'){if(y&0x80000000)//如果y的第一位是1的话把它变0{y&=0x7fffffff;}else//把它变1{y|=0x80000000;}}//0操作数检查if(check_0(x))returnb;if(check_0(y))returna;//对阶操作int x_j=(x&0x7fffffff)>>23;//取阶码int y_j...
if (divisor != 0.0) { return (dividend / divisor); } else { return NAN; } } 字符串文档 所有重要的方法,接口,分类以及协议定义应该有伴随的注释来解释它们的用途以及如何使用。更多的例子可以看 Google 代码风格指南中的 File and Declaration Comments。 简而言之:有长的和短的两种字符串文档。 短文档...
Signaling NaN: nan(snan) Indefinite NaN: nan(ind) Any of these may be prefixed by a sign. If a capitalized format specifier is used (%F instead of %f), then the strings are printed in capital letters (INF instead of inf), as is required. The scanf functions have been modified to...