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of_sbv16 mode BV16.t : t
val function
of_sbv16
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_sbv32 mode BV32.t : t
val function
of_sbv32
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_sbv64 mode BV64.t : t
val function
of_sbv64
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_sbv8 mode BV8.t : t
val function
to_sbv8
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
convert to signed bitvector
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_sbv16 mode BV16.t : t
val function
to_sbv16
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_sbv32 mode BV32.t : t
val function
to_sbv32
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_sbv64 mode BV64.t : t
val function
to_sbv64
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv8 mode BV8.t : t
val function
of_ubv8
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
convert from unsigned bitvector
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv16 mode BV16.t : t
val function
of_ubv16
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv32 mode BV32.t : t
val function
of_ubv32
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv64 mode BV64.t : t
val function
of_ubv64
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_ubv8 mode t : BV8.t
val function
to_ubv8
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
convert to unsigned bitvector
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_ubv16 mode t : BV16.t
val function
to_ubv16
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_ubv32 mode t : BV32.t
val function
to_ubv32
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_ubv64 mode t : BV64.t
val function
to_ubv64
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv8_is_finite : forall m, x. is_finite (of_ubv8 m x)
axiom
of_ubv8_is_finite
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "is_finite", "of_ubv8" ]
only true for big enough floats...
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv16_is_finite: forall m, x. is_finite (of_ubv16 m x)
axiom
of_ubv16_is_finite
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "is_finite", "of_ubv16" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv32_is_finite: forall m, x. is_finite (of_ubv32 m x)
axiom
of_ubv32_is_finite
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "is_finite", "of_ubv32" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv64_is_finite: forall m, x. is_finite (of_ubv64 m x)
axiom
of_ubv64_is_finite
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "is_finite", "of_ubv64" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv8_monotonic : forall m, x y. BV8.ule x y -> le (of_ubv8 m x) (of_ubv8 m y)
axiom
of_ubv8_monotonic
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "le", "of_ubv8", "ule" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv16_monotonic: forall m, x y. BV16.ule x y -> le (of_ubv16 m x) (of_ubv16 m y)
axiom
of_ubv16_monotonic
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "le", "of_ubv16", "ule" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv32_monotonic: forall m, x y. BV32.ule x y -> le (of_ubv32 m x) (of_ubv32 m y)
axiom
of_ubv32_monotonic
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "le", "of_ubv32", "ule" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv64_monotonic: forall m, x y. BV64.ule x y -> le (of_ubv64 m x) (of_ubv64 m y)
axiom
of_ubv64_monotonic
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "le", "of_ubv64", "ule" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv8_to_real : forall m, x. to_real (of_ubv8 m x) = FromInt.from_int (BV8.t'int x)
axiom
of_ubv8_to_real
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "from_int", "of_ubv8", "to_real" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv16_to_real: forall m, x. to_real (of_ubv16 m x) = FromInt.from_int (BV16.t'int x)
axiom
of_ubv16_to_real
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "from_int", "of_ubv16", "to_real" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv64_to_real: forall m, x. to_real (of_ubv64 m x) = round m (FromInt.from_int (BV64.t'int x))
axiom
of_ubv64_to_real
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "from_int", "of_ubv64", "round", "to_real" ]
of_ubv32_to_real is defined at cloning
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
t
= < float 8 24 >
type
t
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
pow2sb : int
= 16777216
constant
pow2sb
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
max_int : int
= 0xFFFF_FF00_0000_0000_0000_0000_0000_0000
constant
max_int
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
max_real : real
= 0x1.FFFFFEp127
constant
max_real
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
round_bound_ne : forall x:real [round RNE x]. no_overflow RNE x -> x - 0x1p-24 * Abs.abs(x) - 0x1p-150 <= round RNE x <= x + 0x1p-24 * Abs.abs(x) + 0x1p-150
lemma
round_bound_ne
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "abs", "no_overflow", "round" ]
TODO: "lemma"? "goal"?
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
round_bound : forall m:mode, x:real [round m x]. no_overflow m x -> x - 0x1p-23 * Abs.abs(x) - 0x1p-149 <= round m x <= x + 0x1p-23 * Abs.abs(x) + 0x1p-149
lemma
round_bound
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "abs", "mode", "no_overflow", "round" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
t
= < float 11 53 >
type
t
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
pow2sb : int
= 9007199254740992
constant
pow2sb
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
max_int : int
= 0xFFFF_FFFF_FFFF_F800_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0...
constant
max_int
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "int" ]
242
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
max_real : real
= 0x1.FFFFFFFFFFFFFp1023
constant
max_real
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
round_bound_ne : forall x:real [round RNE x]. no_overflow RNE x -> x - 0x1p-53 * Abs.abs(x) - 0x1p-1075 <= round RNE x <= x + 0x1p-53 * Abs.abs(x) + 0x1p-1075
lemma
round_bound_ne
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "abs", "no_overflow", "round" ]
TODO: "lemma"? "goal"?
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
round_bound : forall m:mode, x:real [round m x]. no_overflow m x -> x - 0x1p-52 * Abs.abs(x) - 0x1p-1074 <= round m x <= x + 0x1p-52 * Abs.abs(x) + 0x1p-1074
lemma
round_bound
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "abs", "mode", "no_overflow", "round" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_float64 mode Float32.t : Float64.t
function
to_float64
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_float32 mode Float64.t : Float32.t
function
to_float32
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
round_double_single : forall m1 m2:mode, x:real. Float64.round m1 (Float32.round m2 x) = Float32.round m2 x
lemma
round_double_single
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode", "round" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_float64_exact: forall m:mode, x:Float32.t. Float32.t'isFinite x -> Float64.t'isFinite (to_float64 m x) /\ Float64.t'real (to_float64 m x) = Float32.t'real x
lemma
to_float64_exact
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode", "to_float64" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
to_float32_conv: forall m:mode, x:Float64.t. Float64.t'isFinite x -> Float32.no_overflow m (Float64.t'real x) -> Float32.t'isFinite (to_float32 m x) /\ Float32.t'real (to_float32 m x) = Float32.round m (Float64.t'real x)
lemma
to_float32_conv
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "mode", "no_overflow", "round", "to_float32" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv32_to_real : forall m, x. t'real (of_ubv32 m x) = round m (FromInt.from_int (BV32.t'int x))
axiom
of_ubv32_to_real
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "from_int", "of_ubv32", "round" ]
TODO: "lemma"? "goal"?
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
of_ubv32_to_real : forall m, x. t'real (of_ubv32 m x) = FromInt.from_int (BV32.t'int x)
axiom
of_ubv32_to_real
stdlib
stdlib/ieee_float.mlw
[ "Float32", "Float64", "Float_BV_Converter", "GenericFloat", "RoundingMode", "bv.BV16", "bv.BV32", "bv.BV64", "bv.BV8", "bv.Pow2int", "int.Int", "real.Abs", "real.FromInt", "real.Real", "real.RealInfix", "real.Square", "real.Truncate" ]
[ "from_int", "of_ubv32" ]
TODO: "lemma"? "goal"?
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
zero : int
= 0
constant
zero
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
one : int
= 1
constant
one
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(=) (x y : int) : bool ensures { result <-> x = y }
val
(=)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(-_) int : int
val function
(-_)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(+) int int : int
val function
(+)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(*) int int : int
val function
(*)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(<) int int : bool
val predicate
(<)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(-) (x y : int)
= x + -y
let function
(-)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(>) (x y : int)
= y < x
let predicate
(>)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(<=) (x y : int)
= x < y || x = y
let predicate
(<=)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
(>=) (x y : int)
= y <= x
let predicate
(>=)
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
compat_order_mult (x y z:int) requires { x <= y } requires { 0 <= z } ensures { x * z <= y * z }
= ()
let
compat_order_mult
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
abs (x:int) : int
= if x >= 0 then x else -x
let function
abs
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Abs_le: forall x y:int. abs x <= y <-> -y <= x <= y
lemma
Abs_le
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "abs", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Abs_pos: forall x:int. abs x >= 0
lemma
Abs_pos
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "abs", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
min (x y : int) : int ensures { result = min x y }
= if x <= y then x else y
let
min
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
max (x y : int) : int ensures { result = max x y }
= if x <= y then y else x
let
max
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
lt_nat (x y: int)
= 0 <= y /\ x < y
predicate
lt_nat
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
div (x y: int) : int
function
div
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
mod (x y: int) : int
function
mod
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_mod: forall x y:int. y <> 0 -> x = y * div x y + mod x y
axiom
Div_mod
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_bound: forall x y:int. y <> 0 -> 0 <= mod x y < abs y
axiom
Mod_bound
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "abs", "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_unique: forall x y q:int. y > 0 -> q * y <= x < q * y + y -> div x y = q
lemma
Div_unique
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_bound: forall x y:int. x >= 0 /\ y > 0 -> 0 <= div x y <= x
lemma
Div_bound
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_1: forall x:int. mod x 1 = 0
lemma
Mod_1
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_1: forall x:int. div x 1 = x
lemma
Div_1
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_inf: forall x y:int. 0 <= x < y -> div x y = 0
lemma
Div_inf
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_inf_neg: forall x y:int. 0 < x <= y -> div (-x) y = -1
lemma
Div_inf_neg
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_0: forall y:int. y <> 0 -> mod 0 y = 0
lemma
Mod_0
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_1_left: forall y:int. y > 1 -> div 1 y = 0
lemma
Div_1_left
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_minus1_left: forall y:int. y > 1 -> div (-1) y = -1
lemma
Div_minus1_left
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_1_left: forall y:int. y > 1 -> mod 1 y = 1
lemma
Mod_1_left
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_minus1_left: forall y:int. y > 1 -> mod (-1) y = y - 1
lemma
Mod_minus1_left
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_mult: forall x y z:int [div (x * y + z) x]. x > 0 -> div (x * y + z) x = y + div z x
lemma
Div_mult
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_mult: forall x y z:int [mod (x * y + z) x]. x > 0 -> mod (x * y + z) x = mod z x
lemma
Mod_mult
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
div (x y:int) : int requires { y <> 0 } ensures { result = div x y }
val
div
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
mod (x y:int) : int requires { y <> 0 } ensures { result = mod x y }
val
mod
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
div2: forall x: int. exists y: int. x = 2*y \/ x = 2*y+1
lemma
div2
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_bound: forall x y:int. y <> 0 -> - abs y < mod x y < abs y
axiom
Mod_bound
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "abs", "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_sign_pos: forall x y:int. x >= 0 /\ y > 0 -> div x y >= 0
axiom
Div_sign_pos
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_sign_neg: forall x y:int. x <= 0 /\ y > 0 -> div x y <= 0
axiom
Div_sign_neg
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_sign_pos: forall x y:int. x >= 0 /\ y <> 0 -> mod x y >= 0
axiom
Mod_sign_pos
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_sign_neg: forall x y:int. x <= 0 /\ y <> 0 -> mod x y <= 0
axiom
Mod_sign_neg
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Rounds_toward_zero: forall x y:int. y <> 0 -> abs (div x y * y) <= abs x
lemma
Rounds_toward_zero
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "abs", "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_inf: forall x y:int. 0 <= x < y -> mod x y = x
lemma
Mod_inf
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Div_mult: forall x y z:int [div (x * y + z) x]. x > 0 /\ y >= 0 /\ z >= 0 -> div (x * y + z) x = y + div z x
lemma
Div_mult
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "div", "int" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Mod_mult: forall x y z:int [mod (x * y + z) x]. x > 0 /\ y >= 0 /\ z >= 0 -> mod (x * y + z) x = mod z x
lemma
Mod_mult
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "mod" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
power t int : t
function
power
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int" ]
TODO: implement with let rec once let cloning is done
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Power_0 : forall x: t. power x 0 = one
axiom
Power_0
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "one", "power" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Power_s : forall x: t, n: int. n >= 0 -> power x (n+1) = x * power x n
axiom
Power_s
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "power" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Power_s_alt: forall x: t, n: int. n > 0 -> power x n = x * power x (n-1)
lemma
Power_s_alt
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "power" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Power_1 : forall x : t. power x 1 = x
lemma
Power_1
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "power" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Power_sum : forall x: t, n m: int. 0 <= n -> 0 <= m -> power x (n+m) = power x n * power x m
lemma
Power_sum
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "power" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Power_mult : forall x:t, n m : int. 0 <= n -> 0 <= m -> power x (Int.(*) n m) = power (power x n) m
lemma
Power_mult
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "power" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784
Power_comm1 : forall x y: t. x * y = y * x -> forall n:int. 0 <= n -> power x n * y = y * power x n
lemma
Power_comm1
stdlib
stdlib/int.mlw
[ "Abs", "Exponentiation", "Int", "algebra.Monoid", "algebra.OrderedUnitaryCommutativeRing", "relations.Lex", "relations.MinMax", "relations.TotalOrder", "relations.WellFounded" ]
[ "int", "power" ]
https://gitlab.inria.fr/why3/why3
7c59064b4eed9a4059292599f3a657716aa34784