The Open
D
Programming Language
Learn
Language
Library
Contribute
Blog
PI_2
std
math
constants
π / 2 = 1.570796...
enum
real
PI_2
;
Meta
Source
See Implementation
std
math
constants
variables
E
LN10
LN2
LOG10E
LOG2
LOG2E
LOG2T
M_1_PI
M_2_PI
M_2_SQRTPI
PI
PI_2
PI_4
SQRT1_2
SQRT2
π / 2 = 1.570796...