peon/src/backend/types/floatObject.nim

49 lines
1.4 KiB
Nim

# Copyright 2022 Mattia Giambirtone & All Contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
## Implementation of integer types
import baseObject
import lenientops
type Float* = object of Obj
value: float64
proc newFloat*(value: float): ptr Float =
## Initializes a new JAPL
## float object from
## a machine native float
result = allocateObj(Float, ObjectType.Float)
result.value = value
proc toNativeFloat*(self: ptr Float): float =
## Returns the float's machine
## native underlying value
result = self.value
proc `$`*(self: ptr Float): string = $self.value
proc hash*(self: ptr Float): int64 =
## Implements hashing
## for the given float
if self.value - int(self.value) == self.value:
result = int(self.value)
else:
result = 2166136261 xor int(self.value) # TODO: Improve this
result *= 16777619