mech_range/
exclusive.rs

1#![feature(step_trait)]
2use crate::*;
3use mech_core::*;
4use std::iter::Step;
5use nalgebra::{
6  base::{Matrix as naMatrix, Storage, StorageMut},
7  Dim, Scalar,
8};
9use mech_core::matrix::Matrix;
10use std::marker::PhantomData;
11
12// Exclusive ------------------------------------------------------------------
13
14#[derive(Debug)]
15pub struct RangeExclusiveScalar<T, MatA> {
16  pub from: Ref<T>,
17  pub to: Ref<T>,
18  pub out: Ref<MatA>,
19  phantom: PhantomData<T>,
20}
21impl<T, R1, C1, S1> MechFunctionFactory for RangeExclusiveScalar<T, naMatrix<T, R1, C1, S1>>
22where
23  T: Copy + Debug + Clone + Sync + Send + 
24  CompileConst + ConstElem + AsValueKind +
25  PartialOrd + 'static + One + Add<Output = T>,
26  Ref<naMatrix<T, R1, C1, S1>>: ToValue,
27  naMatrix<T, R1, C1, S1>: CompileConst + ConstElem + AsNaKind,
28  R1: Dim + 'static, C1: Dim, S1: StorageMut<T, R1, C1> + Clone + Debug + 'static,
29{
30  fn new(args: FunctionArgs) -> MResult<Box<dyn MechFunction>> {
31    match args {
32      FunctionArgs::Binary(out, from, to) => {
33        let from: Ref<T> = unsafe { from.as_unchecked() }.clone();
34        let to: Ref<T> = unsafe { to.as_unchecked() }.clone();
35        let out: Ref<naMatrix<T, R1, C1, S1>> = unsafe { out.as_unchecked() }.clone();
36        Ok(Box::new(Self { from, to, out, phantom: PhantomData::default() }))
37      },
38      _ => Err(MechError2::new(
39          IncorrectNumberOfArguments { expected: 3, found: args.len() },
40          None
41        ).with_compiler_loc()
42      ),
43    }
44  }
45}
46impl<T, R1, C1, S1> MechFunctionImpl for RangeExclusiveScalar<T, naMatrix<T, R1, C1, S1>>
47where
48  Ref<naMatrix<T, R1, C1, S1>>: ToValue,
49  T: Scalar + Clone + Debug + Sync + Send + 'static + PartialOrd + One + Add<Output = T> + 'static,
50  R1: Dim, C1: Dim, S1: StorageMut<T, R1, C1> + Clone + Debug,
51{
52  fn solve(&self) {
53    let from_ptr = self.from.as_ptr();
54    let to_ptr = self.to.as_ptr();
55    let out_ptr = self.out.as_mut_ptr();
56    let mut current = from_ptr;
57    unsafe {
58      for val in (*out_ptr).iter_mut() {
59        *val = (*current).clone();
60        current = &(*current).clone().add(T::one());
61      }
62    }
63  }
64  fn out(&self) -> Value { self.out.to_value() }
65  fn to_string(&self) -> String { format!("{:#?}", self) }
66}
67#[cfg(feature = "compiler")]
68impl<T, R1, C1, S1> MechFunctionCompiler for RangeExclusiveScalar<T, naMatrix<T, R1, C1, S1>> 
69where
70  T: CompileConst + ConstElem + AsValueKind,
71  naMatrix<T, R1, C1, S1>: CompileConst + ConstElem + AsNaKind,
72{
73  fn compile(&self, ctx: &mut CompileCtx) -> MResult<Register> {
74    let name = format!("RangeExclusiveScalar<{}{}>", T::as_value_kind(), naMatrix::<T, R1, C1, S1>::as_na_kind());
75    compile_binop!(name, self.out, self.from, self.to, ctx, FeatureFlag::Builtin(FeatureKind::RangeExclusive) );
76  }
77}
78
79#[macro_export]
80macro_rules! impl_range_exclusive_match_arms {
81  ($fxn:ident, $arg1:expr, $arg2:expr, $($ty:tt, $feat:tt);+ $(;)?) => {
82    paste! {
83      match ($arg1, $arg2) {
84        $(
85          #[cfg(feature = $feat)]
86          (Value::[<$ty:camel>](from), Value::[<$ty:camel>](to))  => {
87            let from_val = *from.borrow();
88            let to_val = *to.borrow();
89            let diff = to_val - from_val;
90            if diff < $ty::zero() {
91              return Err(MechError2::new(
92                EmptyRangeError{},
93                None
94              ).with_compiler_loc());
95            }
96            let size = range_size_to_usize!(diff, $ty);
97            let mut vec = vec![from_val; size];
98            match size {
99              0 => Err(MechError2::new(
100                EmptyRangeError{},
101                None
102              ).with_compiler_loc()),
103              #[cfg(feature = "matrix1")]
104              1 => {
105                register_range!($fxn, $ty, $feat, Matrix1);
106                Ok(Box::new($fxn::<$ty,Matrix1<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(Matrix1::from_element(vec[0])), phantom: PhantomData::default()}))
107              }
108              #[cfg(all(not(feature = "matrix1"), feature = "matrixd")  )]
109              1 => {
110                register_range!($fxn, $ty, $feat, DMatrix);
111                Ok(Box::new($fxn::<$ty,DMatrix<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(DMatrix::from_element(1,1,vec[0])), phantom: PhantomData::default()}))
112              }
113              #[cfg(feature = "row_vector2")]
114              2 => {
115                register_range!($fxn, $ty, $feat, RowVector2);
116                Ok(Box::new($fxn::<$ty,RowVector2<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowVector2::from_vec(vec)), phantom: PhantomData::default()}))
117              }
118              #[cfg(feature = "row_vector3")]
119              3 => {              
120                register_range!($fxn, $ty, $feat, RowVector3);
121                Ok(Box::new($fxn::<$ty,RowVector3<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowVector3::from_vec(vec)), phantom: PhantomData::default()}))
122              }
123              #[cfg(feature = "row_vector4")]
124              4 => {
125                register_range!($fxn, $ty, $feat, RowVector4);
126                Ok(Box::new($fxn::<$ty,RowVector4<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowVector4::from_vec(vec)), phantom: PhantomData::default()}))
127              }
128              #[cfg(feature = "row_vectord")]
129              n => {
130                register_range!($fxn, $ty, $feat, RowDVector);
131                Ok(Box::new($fxn::<$ty,RowDVector<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowDVector::from_vec(vec)), phantom: PhantomData::default()}))
132              }
133            }
134          }
135        )+
136        (arg1,arg2) => Err(MechError2::new(
137          UnhandledFunctionArgumentKind2 {arg: (arg1.kind(),arg2.kind()), fxn_name: stringify!($fxn).to_string() },
138          None
139        ).with_compiler_loc()),
140      }
141    }
142  }
143}
144
145fn impl_range_exclusive_fxn(arg1_value: Value, arg2_value: Value) -> MResult<Box<dyn MechFunction>> {
146  impl_range_exclusive_match_arms!(RangeExclusiveScalar, arg1_value, arg2_value,
147    f32, "f32";
148    f64, "f64";
149    i8,  "i8";
150    i16, "i16";
151    i32, "i32";
152    i64, "i64";
153    i128,"i128";
154    u8,  "u8";
155    u16, "u16";
156    u32, "u32";
157    u64, "u64";
158    u128,"u128";
159  )
160}
161
162pub struct RangeExclusive {}
163
164impl NativeFunctionCompiler for RangeExclusive {
165  fn compile(&self, arguments: &Vec<Value>) -> MResult<Box<dyn MechFunction>> {
166    if arguments.len() != 2 {
167      return Err(MechError2::new(IncorrectNumberOfArguments { expected: 1, found: arguments.len() },None).with_compiler_loc());
168    }
169    let arg1 = arguments[0].clone();
170    let arg2 = arguments[1].clone();
171    match impl_range_exclusive_fxn(arg1.clone(), arg2.clone()) {
172      Ok(fxn) => Ok(fxn),
173      Err(_) => {
174        match (arg1,arg2) {
175          (Value::MutableReference(arg1),Value::MutableReference(arg2)) => {impl_range_exclusive_fxn(arg1.borrow().clone(),arg2.borrow().clone())}
176          (Value::MutableReference(arg1),arg2) => {impl_range_exclusive_fxn(arg1.borrow().clone(),arg2.clone())}
177          (arg1,Value::MutableReference(arg2)) => {impl_range_exclusive_fxn(arg1.clone(),arg2.borrow().clone())}
178          (arg1,arg2) => Err(MechError2::new(
179              UnhandledFunctionArgumentKind2 { arg: (arg1.kind(),arg2.kind()), fxn_name: "range/exclusive".to_string() },
180              None
181            ).with_compiler_loc()
182          ),        
183        }
184      }
185    }
186  }
187}
188
189register_descriptor! {
190  FunctionCompilerDescriptor {
191    name: "range/exclusive",
192    ptr: &RangeExclusive{},
193  }
194}
mech_range/exclusive.rs

mech_range/
exclusive.rs
