DEGREES¶
Converts a numeric expression from radian values to degree values.
See also RADIANS.
Syntax¶
DEGREES( expr )
Arguments¶
Parameter |
Description |
---|---|
|
Numeric expression |
Returns¶
When using the DEGREES
floating point number scalar function, real
arguments are automatically cast to double
precision.
Notes¶
If the value is NULL, the result is NULL.
Examples¶
For these examples, consider the following table and contents:
CREATE TABLE trig(f DOUBLE);
INSERT INTO trig VALUES (0), (PI()/12), (PI()/8), (PI()/6)
, (PI()/4), (PI()/3), (3*PI()/8), (5*PI()/12), (PI()/2);
numbers=> SELECT f, DEGREES(f) FROM trig;
f | degrees
-------+--------
0 | 0
0.2618 | 15
0.3927 | 22.5
0.5236 | 30
0.7854 | 45
1.0472 | 60
1.1781 | 67.5
1.309 | 75
1.5708 | 90