double atanh (double x); float atanhf (float x);long double atanhl (long double x);
double atanh (double x); float atanh (float x);long double atanh (long double x); double asinh (T x); // additional overloads for integral types
<cmath>
) 中为整型提供了额外的重载:这些重载在计算前有效地将 x 转换为 double
(定义为 T 是任何整型)。<complex>
中也有重载(请参阅 complex atanh)。[-1,+1]
。-1
和 +1
的值,可能会发生极点错误。
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The area hyperbolic tangent of 0.761594 is 1.000000. |