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Annotation of 43BSDReno/old/libm/man/gamma.3, revision 1.1

1.1     ! root        1: .\"    @(#)gamma.3     6.1 (Berkeley) 5/15/85
        !             2: .\"
        !             3: .TH GAMMA 3M  "May 15, 1985"
        !             4: .AT 3
        !             5: .SH NAME
        !             6: gamma \- log gamma function
        !             7: .SH SYNOPSIS
        !             8: .nf
        !             9: .B #include <math.h>
        !            10: .PP
        !            11: .B double gamma(x)
        !            12: .B double x;
        !            13: .fi
        !            14: .SH DESCRIPTION
        !            15: .I Gamma
        !            16: returns ln \||\|\(*G(\||\|\fIx\fR\||\|)\||\|.
        !            17: The sign of \(*G(\||\|\fIx\fR\||\|) is returned in the external integer
        !            18: .IR signgam .
        !            19: The following C program might be used to calculate \(*G:
        !            20: .PP
        !            21: .nf
        !            22:        y = gamma(x);
        !            23:        if (y > 88.0)
        !            24:                error();
        !            25:        y = exp(y);
        !            26:        if(signgam)
        !            27:                y = \-y;
        !            28: .fi
        !            29: .SH DIAGNOSTICS
        !            30: A huge value is returned for negative integer arguments.
        !            31: .SH BUGS
        !            32: There should be a positive indication of error.

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