Altera Floating-Point - Manual (Page 86)

Parameter Name Type Required Description
WIDTH_MAN Integer Yes Specifies the value of the mantissa. If this parameter
is not specified, the default is
23
. When the
WIDTH_
EXP
parameter is
8
and the floating-point format is
single-precision, the
WIDTH_MAN
parameter value
must be
23
. Otherwise, the value of the
WIDTH_MAN
parameter must be a minimum of
31
. The value of
the
WIDTH_MAN
parameter must be greater than the
value of the
WIDTH_EXP
parameter. The sum of the
WIDTH_EXP
and
WIDTH_MAN
parameters must be less
than
64
.
PIPELINE Integer Yes Specifies the amount of latency in clock cycles used
in the ALTFP_INV megafunction. Create the
ALTFP_INV megafunction with the MegaWizard
Plug-In Manager to calculate the value for this
parameter.
ROUNDING String No Specifies the rounding mode. The default value is
TO_NEAREST
. Other rounding modes are not
supported.
10-6 Parameters
UG-01058
2014.12.19
Altera Corporation ALTFP_INV IP Core
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