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Annotation of researchv10dc/man/adm/man3/erf.3, revision 1.1.1.1

1.1       root        1: .EQ
                      2: delim $$
                      3: .EN
                      4: .TH ERF 3M
                      5: .CT 2 math
                      6: .SH NAME
                      7: erf, erfc \(mi error function
                      8: .SH SYNOPSIS
                      9: .B #include <math.h>
                     10: .PP
                     11: .B double erf(x)
                     12: .br
                     13: .B double x;
                     14: .PP
                     15: .B double erfc(x)
                     16: .br
                     17: .B double x;
                     18: .SH DESCRIPTION
                     19: These functions calculate the error function
                     20: .RI erf( x )
                     21: .if n .ig
                     22: $=~2 pi sup -1/2 int from 0 to x  roman e sup -t sup 2 dt$
                     23: ..
                     24: and the complementary error function
                     25: .RI erfc( x )
                     26: .if n .ig
                     27: $=~ 1 - erf( x )$
                     28: ..
                     29: \&.
                     30: The error criterion for both
                     31: .I erf
                     32: and
                     33: .I erfc
                     34: is relative.
                     35: .SH DIAGNOSTICS
                     36: There are no error returns.
                     37: .EQ
                     38: delim off
                     39: .EN

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