>From f91e8087a394e32fe8d7bffd3ceff7af0c05baa3 Mon Sep 17 00:00:00 2001 From: Harms <wharms@xxxxxx> Date: Sat, 15 May 2021 21:28:26 +0200 Subject: [PATCH] Add reentrant functions for gamma.3 Add reentrant functions for gamma.3 Signed-off-by: Harms <wharms@xxxxxx> --- man3/gamma.3 | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/man3/gamma.3 b/man3/gamma.3 index 003964158..b0e0a68c5 100644 --- a/man3/gamma.3 +++ b/man3/gamma.3 @@ -8,7 +8,7 @@ .\" .TH GAMMA 3 2021-03-22 "GNU" "Linux Programmer's Manual" .SH NAME -gamma, gammaf, gammal \- (logarithm of the) gamma function +gamma, gammaf, gammal,gamma_r, gammaf_r, gammal_r \- (logarithm of the) gamma function .SH SYNOPSIS .nf .B #include <math.h> @@ -16,6 +16,9 @@ gamma, gammaf, gammal \- (logarithm of the) gamma function .BI "double gamma(double " x ");" .BI "float gammaf(float " x ");" .BI "long double gammal(long double " x ");" +.BI "double gamma_r (double " x ", int *" sig ");" +.BI "float gammaf_r(float " x ", int *" sig ");" +.BI "long double gammal_r(long double " x ", int *" sig ");" .fi .PP Link with \fI\-lm\fP. @@ -45,6 +48,11 @@ These functions are deprecated: instead, use either the or the .BR lgamma (3) functions, as appropriate. + .PP +The functions with the "_r" suffix are the reentrant version +of the corosponding function. The sign of the intermediate result +is stored in the the variable pointed to by +.IR sig . .PP For the definition of the Gamma function, see .BR tgamma (3). -- 2.26.2
