diff options
Diffstat (limited to 'lib/msun/man/lgamma.3')
| -rw-r--r-- | lib/msun/man/lgamma.3 | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/lib/msun/man/lgamma.3 b/lib/msun/man/lgamma.3 index c3d4ba7..0ebb9d0 100644 --- a/lib/msun/man/lgamma.3 +++ b/lib/msun/man/lgamma.3 @@ -37,9 +37,13 @@ .Os .Sh NAME .Nm lgamma , +.Nm lgamma_r , .Nm lgammaf , +.Nm lgammaf_r , .Nm gamma , +.Nm gamma_r , .Nm gammaf , +.Nm gammaf_r , .Nm tgamma .Nd log gamma functions, gamma function .Sh LIBRARY @@ -51,12 +55,20 @@ .sp .Ft double .Fn lgamma "double x" +.Ft double +.Fn lgamma_r "double x, int *signgamp" .Ft float .Fn lgammaf "float x" +.Ft float +.Fn lgammaf_r "float x, int *signgamp" .Ft double .Fn gamma "double x" +.Ft double +.Fn gamma_r "double x, int *signgamp" .Ft float .Fn gammaf "float x" +.Ft float +.Fn gammaf_r "float x, int *signgamp" .Ft double .Fn tgamma "double x" .Sh DESCRIPTION @@ -78,13 +90,26 @@ The external integer .Fa signgam returns the sign of \(*G(x). .Pp -.Fn gamma +.Fn lgamma_r x signgamp and -.Fn gammaf -are deprecated aliases for -.Fn lgamma +.Fn lgammaf_r x signgamp +provide the same functionality as +.Fn lgamma x and +.Fn lgammaf x +but the caller must provide an integer to store the sign of \(*G(x) +.Pp +.Fn gamma , +.Fn gammaf , +.Fn gamma_r , +and +.Fn gammaf_r +are deprecated aliases for +.Fn lgamma , .Fn lgammaf , +.Fn lgamma_r , +and +.Fn lgammaf_r , respectively. .Fn tgamma x returns \(*G(x), with no effect on @@ -113,10 +138,14 @@ Exponentiation of will lose up to 10 significant bits. .Sh RETURN VALUES .Fn gamma , +.Fn gamma_r, .Fn gammaf , +.Fn gammaf_r , .Fn lgamma , +.Fn lgamma_r , +.Fn lgammaf, and -.Fn lgammaf +.Fn lgammaf_r return appropriate values unless an argument is out of range. Overflow will occur for sufficiently large positive values, and non-positive integers. |
