Fn = Fx Copysign Fy - Analog Devices ADSP-2106x SHARC User Manual

Compute Operations
Syntax:

Fn = Fx COPYSIGN Fy

Function:
Copies the sign of the floating-point operand in register Fy to the floating-
point operand from register Fx without changing the exponent or the
mantissa. The result is placed in register Fn. A denormal input is flushed
to ±Zero. A NAN input returns an all 1s result.
Status flags:
Is set if the floating-point result is ±Zero, otherwise cleared
AZ
AU Is cleared
AN Is set if the floating-point result is negative, otherwise cleared
AV Is cleared
AC Is cleared
AS Is cleared
AI Is set if either of the input operands is a NAN, otherwise cleared
www.BDTIC.com/ADI
ALU Floating-Point
Fn = Fx COPYSIGN Fy
B
B – 41