diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/src/sgml/func.sgml | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index f8c1deb04ee..907c9ef7efa 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -1399,6 +1399,27 @@ SELECT NOT(ROW(table.*) IS NOT NULL) FROM TABLE; -- detect at least one null in <row> <entry role="func_table_entry"><para role="func_signature"> <indexterm> + <primary>gamma</primary> + </indexterm> + <function>gamma</function> ( <type>double precision</type> ) + <returnvalue>double precision</returnvalue> + </para> + <para> + Gamma function + </para> + <para> + <literal>gamma(0.5)</literal> + <returnvalue>1.772453850905516</returnvalue> + </para> + <para> + <literal>gamma(6)</literal> + <returnvalue>120</returnvalue> + </para></entry> + </row> + + <row> + <entry role="func_table_entry"><para role="func_signature"> + <indexterm> <primary>gcd</primary> </indexterm> <function>gcd</function> ( <replaceable>numeric_type</replaceable>, <replaceable>numeric_type</replaceable> ) @@ -1439,6 +1460,23 @@ SELECT NOT(ROW(table.*) IS NOT NULL) FROM TABLE; -- detect at least one null in <row> <entry role="func_table_entry"><para role="func_signature"> <indexterm> + <primary>lgamma</primary> + </indexterm> + <function>lgamma</function> ( <type>double precision</type> ) + <returnvalue>double precision</returnvalue> + </para> + <para> + Natural logarithm of the absolute value of the gamma function + </para> + <para> + <literal>lgamma(1000)</literal> + <returnvalue>5905.220423209181</returnvalue> + </para></entry> + </row> + + <row> + <entry role="func_table_entry"><para role="func_signature"> + <indexterm> <primary>ln</primary> </indexterm> <function>ln</function> ( <type>numeric</type> ) |