Provided by: opengl-4-man-doc_1.0~svn33624-1_all 

NAME
radians - convert a quantity in degrees to radians
DECLARATION
genType radians(genType degrees);
PARAMETERS
degrees
Specify the quantity, in degrees, to be converted to radians.
DESCRIPTION
radians converts a quantity specified in degrees into radians. The return value is ${ \pi \times degrees
} \over 180$.
VERSION SUPPORT
┌──────────┬───────────────────────────────────────────────────────────────────────────────────┐
│ │ OpenGL Shading Language Version │
├──────────┼──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┤
│ Function │ 1.10 │ 1.20 │ 1.30 │ 1.40 │ 1.50 │ 3.30 │ 4.00 │ 4.10 │ 4.20 │ 4.30 │ 4.40 │ 4.50 │
│ Name │ │ │ │ │ │ │ │ │ │ │ │ │
├──────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤
│ radians │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │
└──────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┘
SEE ALSO
degrees(),
COPYRIGHT
Copyright © 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions
set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.
COPYRIGHT
Copyright © 2011-2014 Khronos Group
[FIXME: source] 01/03/2018 RADIANS(3G)