4.10.22 VAX Floating Square Root
Format:
SQRTxFb.rx,Fc.wx!Floating-point Operate format
Operation:
Fc ← Fb ** (1/2)
Exceptions:
Invalid operation
Instruction mnemonics:
SQRTF | Square root F_floating |
SQRTG | Square root G_floating |
Qualifiers:
Rounding: | Chopped (/C) |
Trapping: | Exception Completion (/S) |
| Underflow Enable (/U) — See Notes below |
Description:
The square root of the
The result is rounded or chopped to the specified precision. The
An invalid operation is signaled if the operand has exp=0 and is not a true zero (that is, VAX reserved operands and dirty zeros trap). An invalid operation is signaled if the sign of the oper- and is negative.
The contents of the Fc are UNPREDICTABLE if an invalid operation is signaled.
Notes:
•