NCBI C++ ToolKit
Public Attributes | List of all members
erfc_table Struct Reference

Search Toolkit Book for erfc_table

Tabulated results for faster erfc(x) lookup. More...

#include <algo/blast/core/blast_stat.h>

Public Attributes

double eps
double a
double b
Int4 N
double h
double * p

Detailed Description

Tabulated results for faster erfc(x) lookup.

erfc(x) = 1/2 + 1/sqrt(2*pi) * \int_0^x { exp(-y^2/2)} dy erfc(-\inf) = 0.0 erfc(+\inf) = 1.0 The erfc(x) is tabulated in p with step h, starting from a to b

Definition at line 82 of file blast_stat.h.

Member Data Documentation

◆ a

double erfc_table::a

Definition at line 84 of file blast_stat.h.

◆ b

double erfc_table::b

Definition at line 85 of file blast_stat.h.

◆ eps

double erfc_table::eps

Definition at line 83 of file blast_stat.h.

◆ h

double erfc_table::h

Definition at line 87 of file blast_stat.h.

◆ N

Int4 erfc_table::N

Definition at line 86 of file blast_stat.h.

◆ p

double* erfc_table::p

Definition at line 88 of file blast_stat.h.

The documentation for this struct was generated from the following file:
Modified on Wed Apr 17 13:09:12 2024 by rev. 669887