1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
3 .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
4 .\" Distributed under GPL
7 .TH CERF 3 2010-09-12 "" "Linux Programmer's Manual"
9 cerf, cerff, cerfl, cerfc, cerfcf, cerfcl \- complex error function
11 .B #include <complex.h>
13 .BI "double complex cerf(double complex " z );
15 .BI "float complex cerff(float complex " z );
17 .BI "long double complex cerfl(long double complex " z );
19 .BI "double complex cerfc(double complex " z );
21 .BI "float complex cerfcf(float complex " z );
23 .BI "long double complex cerfcl(long double complex " z );
27 The (unimplemented) function
29 is the complex version of the error function.
30 erf(z) = 2/sqrt(pi) * integral from 0 to z of exp(\-t*t) dt.
33 is defined as cerfc(z) = 1\-cerf(z).
34 .\" must check 1/sqrt(2*pi) ?
36 The function names are reserved for future use in C99.
38 Not yet in glibc, as at version 2.12.
39 .\" But reserved in NAMESPACE.