double erf (double x); float erff (float x); long double erfl (long double x);
double erf (double x); float erf (float x); long double erf (long double x); double erf (T x); // additional overloads for integral types
<cmath>
) for the integral types: These overloads effectively cast x to a double
before calculations (defined for T being any integral type).
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erf (1.000000) = 0.842701 |