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: Copy + 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    unsafe {
54      let out_ptr = self.out.as_ptr() as *mut naMatrix<T, R1, C1, S1>;
55      let mut current = *self.from.as_ptr();
56      for i in 0..(*out_ptr).len() {
57        (&mut (*out_ptr))[i] = current;
58        current = current + T::one();
59      }
60    }
61  }
62  fn out(&self) -> Value { self.out.to_value() }
63  fn to_string(&self) -> String { format!("{:#?}", self) }
64}
65#[cfg(feature = "compiler")]
66impl<T, R1, C1, S1> MechFunctionCompiler for RangeExclusiveScalar<T, naMatrix<T, R1, C1, S1>> 
67where
68  T: CompileConst + ConstElem + AsValueKind,
69  naMatrix<T, R1, C1, S1>: CompileConst + ConstElem + AsNaKind,
70{
71  fn compile(&self, ctx: &mut CompileCtx) -> MResult<Register> {
72    let name = format!("RangeExclusiveScalar<{}{}>", T::as_value_kind(), naMatrix::<T, R1, C1, S1>::as_na_kind());
73    compile_binop!(name, self.out, self.from, self.to, ctx, FeatureFlag::Builtin(FeatureKind::RangeExclusive) );
74  }
75}
76
77#[macro_export]
78macro_rules! impl_range_exclusive_match_arms {
79  ($fxn:ident, $arg1:expr, $arg2:expr, $($ty:tt, $feat:tt);+ $(;)?) => {
80    paste! {
81      match ($arg1, $arg2) {
82        $(
83          #[cfg(feature = $feat)]
84          (Value::[<$ty:camel>](from), Value::[<$ty:camel>](to))  => {
85            let from_val = *from.borrow();
86            let to_val = *to.borrow();
87            let diff = to_val - from_val;
88            if diff < $ty::zero() {
89              return Err(MechError2::new(
90                EmptyRangeError{},
91                None
92              ).with_compiler_loc());
93            }
94            let size = range_size_to_usize!(diff, $ty);
95            let mut vec = vec![from_val; size];
96            match size {
97              0 => Err(MechError2::new(
98                EmptyRangeError{},
99                None
100              ).with_compiler_loc()),
101              #[cfg(feature = "matrix1")]
102              1 => {
103                register_range!($fxn, $ty, $feat, Matrix1);
104                Ok(Box::new($fxn::<$ty,Matrix1<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(Matrix1::from_element(vec[0])), phantom: PhantomData::default()}))
105              }
106              #[cfg(all(not(feature = "matrix1"), feature = "matrixd")  )]
107              1 => {
108                register_range!($fxn, $ty, $feat, DMatrix);
109                Ok(Box::new($fxn::<$ty,DMatrix<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(DMatrix::from_element(1,1,vec[0])), phantom: PhantomData::default()}))
110              }
111              #[cfg(feature = "row_vector2")]
112              2 => {
113                register_range!($fxn, $ty, $feat, RowVector2);
114                Ok(Box::new($fxn::<$ty,RowVector2<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowVector2::from_vec(vec)), phantom: PhantomData::default()}))
115              }
116              #[cfg(feature = "row_vector3")]
117              3 => {              
118                register_range!($fxn, $ty, $feat, RowVector3);
119                Ok(Box::new($fxn::<$ty,RowVector3<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowVector3::from_vec(vec)), phantom: PhantomData::default()}))
120              }
121              #[cfg(feature = "row_vector4")]
122              4 => {
123                register_range!($fxn, $ty, $feat, RowVector4);
124                Ok(Box::new($fxn::<$ty,RowVector4<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowVector4::from_vec(vec)), phantom: PhantomData::default()}))
125              }
126              #[cfg(feature = "row_vectord")]
127              n => {
128                register_range!($fxn, $ty, $feat, RowDVector);
129                Ok(Box::new($fxn::<$ty,RowDVector<$ty>>{from: from.clone(), to: to.clone(), out: Ref::new(RowDVector::from_vec(vec)), phantom: PhantomData::default()}))
130              }
131            }
132          }
133        )+
134        (arg1,arg2) => Err(MechError2::new(
135          UnhandledFunctionArgumentKind2 {arg: (arg1.kind(),arg2.kind()), fxn_name: stringify!($fxn).to_string() },
136          None
137        ).with_compiler_loc()),
138      }
139    }
140  }
141}
142
143fn impl_range_exclusive_fxn(arg1_value: Value, arg2_value: Value) -> MResult<Box<dyn MechFunction>> {
144  impl_range_exclusive_match_arms!(RangeExclusiveScalar, arg1_value, arg2_value,
145    f32, "f32";
146    f64, "f64";
147    i8,  "i8";
148    i16, "i16";
149    i32, "i32";
150    i64, "i64";
151    i128,"i128";
152    u8,  "u8";
153    u16, "u16";
154    u32, "u32";
155    u64, "u64";
156    u128,"u128";
157  )
158}
159
160pub struct RangeExclusive {}
161
162impl NativeFunctionCompiler for RangeExclusive {
163  fn compile(&self, arguments: &Vec<Value>) -> MResult<Box<dyn MechFunction>> {
164    if arguments.len() != 2 {
165      return Err(MechError2::new(IncorrectNumberOfArguments { expected: 2, found: arguments.len() },None).with_compiler_loc());
166    }
167    let arg1 = arguments[0].clone();
168    let arg2 = arguments[1].clone();
169    match impl_range_exclusive_fxn(arg1.clone(), arg2.clone()) {
170      Ok(fxn) => Ok(fxn),
171      Err(_) => {
172        match (arg1,arg2) {
173          (Value::MutableReference(arg1),Value::MutableReference(arg2)) => {impl_range_exclusive_fxn(arg1.borrow().clone(),arg2.borrow().clone())}
174          (Value::MutableReference(arg1),arg2) => {impl_range_exclusive_fxn(arg1.borrow().clone(),arg2.clone())}
175          (arg1,Value::MutableReference(arg2)) => {impl_range_exclusive_fxn(arg1.clone(),arg2.borrow().clone())}
176          (arg1,arg2) => Err(MechError2::new(
177              UnhandledFunctionArgumentKind2 { arg: (arg1.kind(),arg2.kind()), fxn_name: "range/exclusive".to_string() },
178              None
179            ).with_compiler_loc()
180          ),        
181        }
182      }
183    }
184  }
185}
186
187register_descriptor! {
188  FunctionCompilerDescriptor {
189    name: "range/exclusive",
190    ptr: &RangeExclusive{},
191  }
192}
mech_range/exclusive.rs

mech_range/
exclusive.rs
