classifyf

realizing  exu stream  exu block  compute phase   operation   in the binary floating point value domain  

native on: Silver Gold

Produce an enum value to classify binary floating points into normal values, subnormals, infinities and NaNs etc.

The exact list is:

• signaling NaN,
• quiet NaN,
• negative Infinity,
• negative Normal,
• negative Subnormal,
• negative Zero,
• positive Zero,
• positive Subnormal,
• positive Normal,
• positive Infinity

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classifyf(f x) → f r0

operands: like Addf [ff:f]

Core	In Slots	Latencies
Silver	E0 E1	w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5
Gold	E0 E1 E2 E3	w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5