These functions are misleading, and in some systems mean a
different thing (tgamma(3) vs lgamma(3)). Never use gamma(3).
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
.nf
.B #include <math.h>
.PP
-.BI "double gamma(double " x ");"
-.BI "float gammaf(float " x ");"
-.BI "long double gammal(long double " x ");"
+.BI "[[deprecated]] double gamma(double " x ");"
+.BI "[[deprecated]] float gammaf(float " x ");"
+.BI "[[deprecated]] long double gammal(long double " x ");"
.fi
.PP
.RS -4