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Annotation of cci/usr/src/man/man3/gamma.3m, revision 1.1

1.1     ! root        1: .TH GAMMA 3M  "19 January 1983"
        !             2: .SH NAME
        !             3: gamma \- log gamma function
        !             4: .SH SYNOPSIS
        !             5: .nf
        !             6: .B #include <math.h>
        !             7: .PP
        !             8: .B double gamma(x)
        !             9: .B double x;
        !            10: .fi
        !            11: .SH DESCRIPTION
        !            12: .I Gamma
        !            13: returns ln \||\|\(*G(\||\|\fIx\fR\||\|)\||\|.
        !            14: The sign of \(*G(\||\|\fIx\fR\||\|) is returned in the external integer
        !            15: .IR signgam .
        !            16: The following C program might be used to calculate \(*G:
        !            17: .PP
        !            18: .nf
        !            19:        y = gamma(x);
        !            20:        if (y > 88.0)
        !            21:                error();
        !            22:        y = exp(y);
        !            23:        if(signgam)
        !            24:                y = \-y;
        !            25: .fi
        !            26: .SH DIAGNOSTICS
        !            27: A huge value is returned for negative integer arguments.
        !            28: .SH BUGS
        !            29: There should be a positive indication of error.

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