Standard Library | The Coq Proof Assistant

The Coq Proof Assistant

# Library Coq.extraction.ExtrOCamlFloats

Extraction to OCaml of native binary64 floating-point numbers.
Note: the extraction of primitive floats relies on Coq's internal file kernel/float64.ml, so make sure the corresponding binary is available when linking the extracted OCaml code.
For example, if you build a ("_CoqProject" + coq_makefile)-based project and if you created an empty subfolder "extracted" and a file "test.v" containing Cd "extracted". Separate Extraction function_to_extract., you will just need to add in the "_CoqProject" file: test.v, -I extracted and the list of extracted/*.ml and extracted/*.mli files, then add CAMLFLAGS += -w -33 in the Makefile.local file.
From Coq Require Floats Extraction.
Basic data types used by some primitive operators.
Extract Inductive bool => bool [ true false ].
Extract Inductive prod => "( * )" [ "" ].
Extract Inductive FloatClass.float_class =>
"Float64.float_class"
[ "PNormal" "NNormal" "PSubn" "NSubn" "PZero" "NZero" "PInf" "NInf" "NaN" ].
Extract Inductive PrimFloat.float_comparison =>
"Float64.float_comparison"
[ "FEq" "FLt" "FGt" "FNotComparable" ].
Primitive types and operators.
Extract Constant PrimFloat.float => "Float64.t".
Extraction Inline PrimFloat.float.
Extract Constant PrimFloat.classify => "Float64.classify".
Extract Constant PrimFloat.abs => "Float64.abs".
Extract Constant PrimFloat.sqrt => "Float64.sqrt".
Extract Constant PrimFloat.opp => "Float64.opp".
Extract Constant PrimFloat.eqb => "Float64.eq".
Extract Constant PrimFloat.ltb => "Float64.lt".
Extract Constant PrimFloat.leb => "Float64.le".
Extract Constant PrimFloat.compare => "Float64.compare".
Extract Constant PrimFloat.mul => "Float64.mul".
Extract Constant PrimFloat.add => "Float64.add".
Extract Constant PrimFloat.sub => "Float64.sub".
Extract Constant PrimFloat.div => "Float64.div".
Extract Constant PrimFloat.of_uint63 => "Float64.of_uint63".
Extract Constant PrimFloat.normfr_mantissa => "Float64.normfr_mantissa".
Extract Constant PrimFloat.frshiftexp => "Float64.frshiftexp".
Extract Constant PrimFloat.ldshiftexp => "Float64.ldshiftexp".
Extract Constant PrimFloat.next_up => "Float64.next_up".
Extract Constant PrimFloat.next_down => "Float64.next_down".