NCBI C++ ToolKit
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#include <common/ncbi_export.h>
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Functions | |
double | NCBI_Erf (double x) |
The error function of x: the integral from 0 to x of e(-t*t) dt, scaled by 2/sqrt(pi) to fall within the range (-1,1). More... | |
double | NCBI_ErfC (double x) |
The complementary error function of x: 1 - erf(x), but calculated more accurately for large x (where erf(x) approaches unity). More... | |