Absolute value abs(x) using bitwise operators and Boolean logic [duplicate]

Absolute value abs(x) using bitwise operators and Boolean logic [duplicate]

c++ c bit-manipulation language-lawyer absolute-value

c

Why use abs() or fabs() instead of conditional negation?

c++ c variables negation absolute-value

c

abs 'implicit declaration...' error after including math.h

c math.h absolute-value

c