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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 21:07:28 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 21:07:28 -0400 |
| commit | 711594636704defae873be1a355a292505585afd (patch) | |
| tree | 59ee13f863830d8beba6cfd02bbe813dd486c26f /static/v10/man3/gamma.3 | |
| parent | 3258a063c1f189d7b019e40e525b46bef9b9a7b1 (diff) | |
docs: Added UNIX V10 Manuals
Diffstat (limited to 'static/v10/man3/gamma.3')
| -rw-r--r-- | static/v10/man3/gamma.3 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/static/v10/man3/gamma.3 b/static/v10/man3/gamma.3 new file mode 100644 index 00000000..0c7e2dd9 --- /dev/null +++ b/static/v10/man3/gamma.3 @@ -0,0 +1,48 @@ +.TH GAMMA 3M +.CT 2 math +.SH NAME +gamma \(mi log gamma function +.SH SYNOPSIS +.nf +.B #include <math.h> +.PP +.B double gamma(x) +.B double x; +.PP +.B extern int signgam; +.fi +.SH DESCRIPTION +.I Gamma +returns +ln |\(*G(\|\fIx\fP\|)|. +The sign of +\(*G(\|\fIx\fP\|) +is returned in the external integer +.IR signgam . +.SH EXAMPLES +Computation of the gamma function: +.PP +.nf +.ta 8n +8n +.ft L + errno = 0; + y = gamma(x); + if(errno || (y > 88.0)) + error(); + y = signgam*exp(y); +.fi +.ft P +.SH DIAGNOSTICS +A large value +.RL ( HUGE ) +is returned for negative integer arguments +and +.I errno +is set to +.BR EDOM . +.SH BUGS +There should be a positive indication of error. +.br +The name should indicate the answer is a logarithm, +perhaps +.IR lgamma . |