core: implement np_dot using LLVM_IR

nac3core/src/codegen/builtin_fns.rs

@@ -1865,34 +1865,6 @@ fn build_output_struct<'ctx>(
     out_ptr
 }
 
-/// Invokes the `np_dot` linalg function
-pub fn call_np_dot<'ctx, G: CodeGenerator + ?Sized>(
-    generator: &mut G,
-    ctx: &mut CodeGenContext<'ctx, '_>,
-    x1: (Type, BasicValueEnum<'ctx>),
-    x2: (Type, BasicValueEnum<'ctx>),
-) -> Result<BasicValueEnum<'ctx>, String> {
-    const FN_NAME: &str = "np_dot";
-    let (x1_ty, x1) = x1;
-    let (x2_ty, x2) = x2;
-
-    if let (BasicValueEnum::PointerValue(_), BasicValueEnum::PointerValue(_)) = (x1, x2) {
-        let (n1_elem_ty, _) = unpack_ndarray_var_tys(&mut ctx.unifier, x1_ty);
-        let n1_elem_ty = ctx.get_llvm_type(generator, n1_elem_ty);
-        let (n2_elem_ty, _) = unpack_ndarray_var_tys(&mut ctx.unifier, x2_ty);
-        let n2_elem_ty = ctx.get_llvm_type(generator, n2_elem_ty);
-
-        let (BasicTypeEnum::FloatType(_), BasicTypeEnum::FloatType(_)) = (n1_elem_ty, n2_elem_ty)
-        else {
-            unsupported_type(ctx, FN_NAME, &[x1_ty, x2_ty]);
-        };
-
-        Ok(extern_fns::call_np_dot(ctx, x1, x2, None).into())
-    } else {
-        unsupported_type(ctx, FN_NAME, &[x1_ty, x2_ty])
-    }
-}
-
 /// Invokes the `np_linalg_matmul` linalg function
 pub fn call_np_linalg_matmul<'ctx, G: CodeGenerator + ?Sized>(
     generator: &mut G,

nac3core/src/codegen/extern_fns.rs

@@ -188,33 +188,3 @@ generate_linalg_extern_fn!(call_np_linalg_pinv, "np_linalg_pinv", 2);
 generate_linalg_extern_fn!(call_sp_linalg_lu, "sp_linalg_lu", 3);
 generate_linalg_extern_fn!(call_sp_linalg_schur, "sp_linalg_schur", 3);
 generate_linalg_extern_fn!(call_sp_linalg_hessenberg, "sp_linalg_hessenberg", 3);
-
-/// Invokes the linalg `np_dot` function.
-pub fn call_np_dot<'ctx>(
-    ctx: &mut CodeGenContext<'ctx, '_>,
-    mat1: BasicValueEnum<'ctx>,
-    mat2: BasicValueEnum<'ctx>,
-    name: Option<&str>,
-) -> FloatValue<'ctx> {
-    const FN_NAME: &str = "np_dot";
-
-    let extern_fn = ctx.module.get_function(FN_NAME).unwrap_or_else(|| {
-        let fn_type =
-            ctx.ctx.f64_type().fn_type(&[mat1.get_type().into(), mat2.get_type().into()], false);
-        let func = ctx.module.add_function(FN_NAME, fn_type, None);
-        for attr in ["mustprogress", "nofree", "nounwind", "willreturn", "writeonly"] {
-            func.add_attribute(
-                AttributeLoc::Function,
-                ctx.ctx.create_enum_attribute(Attribute::get_named_enum_kind_id(attr), 0),
-            );
-        }
-        func
-    });
-
-    ctx.builder
-        .build_call(extern_fn, &[mat1.into(), mat2.into()], name.unwrap_or_default())
-        .map(CallSiteValue::try_as_basic_value)
-        .map(|v| v.map_left(BasicValueEnum::into_float_value))
-        .map(Either::unwrap_left)
-        .unwrap()
-}

nac3core/src/codegen/numpy.rs

@@ -26,12 +26,15 @@ use crate::{
         typedef::{FunSignature, Type, TypeEnum},
     },
 };
-use inkwell::types::{AnyTypeEnum, BasicTypeEnum, PointerType};
 use inkwell::{
     types::BasicType,
     values::{BasicValueEnum, IntValue, PointerValue},
     AddressSpace, IntPredicate, OptimizationLevel,
 };
+use inkwell::{
+    types::{AnyTypeEnum, BasicTypeEnum, PointerType},
+    values::BasicValue,
+};
 use nac3parser::ast::{Operator, StrRef};
 
 /// Creates an uninitialized `NDArray` instance.
@@ -2390,7 +2393,7 @@ pub fn ndarray_reshape<'ctx, G: CodeGenerator + ?Sized>(
             generator,
             ctx.builder.build_int_compare(IntPredicate::EQ, out_sz, n_sz, "").unwrap(),
             "0:ValueError",
-            "cannot reshape array of size {} into provided shape of size {}",
+            "cannot reshape array of size {0} into provided shape of size {1}",
             [Some(n_sz), Some(out_sz), None],
             ctx.current_loc,
         );
@@ -2417,3 +2420,102 @@ pub fn ndarray_reshape<'ctx, G: CodeGenerator + ?Sized>(
         )
     }
 }
+
+/// Generates LLVM IR for `ndarray.dot`.
+/// Calculate inner product of two vectors or literals
+/// For matrix multiplication use `np_matmul`
+///
+/// The input `NDArray` are flattened and treated as 1D
+/// The operation is equivalent to np.dot(arr1.ravel(), arr2.ravel())
+pub fn ndarray_dot<'ctx, G: CodeGenerator + ?Sized>(
+    generator: &mut G,
+    ctx: &mut CodeGenContext<'ctx, '_>,
+    x1: (Type, BasicValueEnum<'ctx>),
+    x2: (Type, BasicValueEnum<'ctx>),
+) -> Result<BasicValueEnum<'ctx>, String> {
+    const FN_NAME: &str = "ndarray_dot";
+    let (x1_ty, x1) = x1;
+    let (_, x2) = x2;
+
+    let llvm_usize = generator.get_size_type(ctx.ctx);
+
+    match (x1, x2) {
+        (BasicValueEnum::PointerValue(n1), BasicValueEnum::PointerValue(n2)) => {
+            let n1 = NDArrayValue::from_ptr_val(n1, llvm_usize, None);
+            let n2 = NDArrayValue::from_ptr_val(n2, llvm_usize, None);
+
+            let n1_sz = call_ndarray_calc_size(generator, ctx, &n1.dim_sizes(), (None, None));
+            let n2_sz = call_ndarray_calc_size(generator, ctx, &n1.dim_sizes(), (None, None));
+
+            ctx.make_assert(
+                generator,
+                ctx.builder.build_int_compare(IntPredicate::EQ, n1_sz, n2_sz, "").unwrap(),
+                "0:ValueError",
+                "shapes ({0}), ({1}) not aligned",
+                [Some(n1_sz), Some(n2_sz), None],
+                ctx.current_loc,
+            );
+
+            let identity =
+                unsafe { n1.data().get_unchecked(ctx, generator, &llvm_usize.const_zero(), None) };
+            let acc = ctx.builder.build_alloca(identity.get_type(), "").unwrap();
+            ctx.builder.build_store(acc, identity.get_type().const_zero()).unwrap();
+
+            gen_for_callback_incrementing(
+                generator,
+                ctx,
+                None,
+                llvm_usize.const_zero(),
+                (n1_sz, false),
+                |generator, ctx, _, idx| {
+                    let elem1 = unsafe { n1.data().get_unchecked(ctx, generator, &idx, None) };
+                    let elem2 = unsafe { n2.data().get_unchecked(ctx, generator, &idx, None) };
+
+                    let product = match elem1 {
+                        BasicValueEnum::IntValue(e1) => ctx
+                            .builder
+                            .build_int_mul(e1, elem2.into_int_value(), "")
+                            .unwrap()
+                            .as_basic_value_enum(),
+                        BasicValueEnum::FloatValue(e1) => ctx
+                            .builder
+                            .build_float_mul(e1, elem2.into_float_value(), "")
+                            .unwrap()
+                            .as_basic_value_enum(),
+                        _ => unreachable!(),
+                    };
+                    let acc_val = ctx.builder.build_load(acc, "").unwrap();
+                    let acc_val = match acc_val {
+                        BasicValueEnum::IntValue(e1) => ctx
+                            .builder
+                            .build_int_add(e1, product.into_int_value(), "")
+                            .unwrap()
+                            .as_basic_value_enum(),
+                        BasicValueEnum::FloatValue(e1) => ctx
+                            .builder
+                            .build_float_add(e1, product.into_float_value(), "")
+                            .unwrap()
+                            .as_basic_value_enum(),
+                        _ => unreachable!(),
+                    };
+                    ctx.builder.build_store(acc, acc_val).unwrap();
+
+                    Ok(())
+                },
+                llvm_usize.const_int(1, false),
+            )?;
+            let acc_val = ctx.builder.build_load(acc, "").unwrap();
+            Ok(acc_val)
+        }
+        (BasicValueEnum::IntValue(e1), BasicValueEnum::IntValue(e2)) => {
+            Ok(ctx.builder.build_int_mul(e1, e2, "").unwrap().as_basic_value_enum())
+        }
+        (BasicValueEnum::FloatValue(e1), BasicValueEnum::FloatValue(e2)) => {
+            Ok(ctx.builder.build_float_mul(e1, e2, "").unwrap().as_basic_value_enum())
+        }
+        _ => unreachable!(
+            "{FN_NAME}() not supported for '{}'",
+            format!("'{}'", ctx.unifier.stringify(x1_ty))
+        ),
+    }
+}

nac3core/src/toplevel/builtins.rs

@@ -1965,7 +1965,7 @@ impl<'a> BuiltinBuilder<'a> {
                 self.unifier,
                 &self.num_or_ndarray_var_map,
                 prim.name(),
-                self.primitives.float,
+                self.num_ty.ty,
                 &[(self.num_or_ndarray_ty.ty, "x1"), (self.num_or_ndarray_ty.ty, "x2")],
                 Box::new(move |ctx, _, fun, args, generator| {
                     let x1_ty = fun.0.args[0].ty;
@@ -1973,12 +1973,7 @@ impl<'a> BuiltinBuilder<'a> {
                     let x2_ty = fun.0.args[1].ty;
                     let x2_val = args[1].1.clone().to_basic_value_enum(ctx, generator, x2_ty)?;
 
-                    Ok(Some(builtin_fns::call_np_dot(
+                    Ok(Some(ndarray_dot(generator, ctx, (x1_ty, x1_val), (x2_ty, x2_val))?))
-                        generator,
-                        ctx,
-                        (x1_ty, x1_val),
-                        (x2_ty, x2_val),
-                    )?))
                 }),
             ),
 

nac3core/src/typecheck/type_inferencer/mod.rs

@@ -1130,6 +1130,44 @@ impl<'a> Inferencer<'a> {
             }));
         }
 
+        if id == &"np_dot".into() {
+            let arg0 = self.fold_expr(args.remove(0))?;
+            let arg1 = self.fold_expr(args.remove(0))?;
+            let arg0_ty = arg0.custom.unwrap();
+
+            let ret = if arg0_ty.obj_id(self.unifier).is_some_and(|id| id == PrimDef::NDArray.id())
+            {
+                let (ndarray_dtype, _) = unpack_ndarray_var_tys(self.unifier, arg0_ty);
+
+                ndarray_dtype
+            } else {
+                arg0_ty
+            };
+
+            let custom = self.unifier.add_ty(TypeEnum::TFunc(FunSignature {
+                args: vec![
+                    FuncArg { name: "x1".into(), ty: arg0.custom.unwrap(), default_value: None },
+                    FuncArg { name: "x2".into(), ty: arg1.custom.unwrap(), default_value: None },
+                ],
+                ret,
+                vars: VarMap::new(),
+            }));
+
+            return Ok(Some(Located {
+                location,
+                custom: Some(ret),
+                node: ExprKind::Call {
+                    func: Box::new(Located {
+                        custom: Some(custom),
+                        location: func.location,
+                        node: ExprKind::Name { id: *id, ctx: *ctx },
+                    }),
+                    args: vec![arg0, arg1],
+                    keywords: vec![],
+                },
+            }));
+        }
+
         if ["np_min", "np_max"].iter().any(|fun_id| id == &(*fun_id).into()) && args.len() == 1 {
             let arg0 = self.fold_expr(args.remove(0))?;
             let arg0_ty = arg0.custom.unwrap();

nac3standalone/demo/linalg/src/lib.rs

@@ -34,38 +34,6 @@ impl InputMatrix {
     }
 }
 
-/// # Safety
-///
-/// `mat1` and `mat2` should point to a valid 1DArray of `f64` floats in row-major order
-#[no_mangle]
-pub unsafe extern "C" fn np_dot(mat1: *mut InputMatrix, mat2: *mut InputMatrix) -> f64 {
-    let mat1 = mat1.as_mut().unwrap();
-    let mat2 = mat2.as_mut().unwrap();
-
-    if !(mat1.ndims == 1 && mat2.ndims == 1) {
-        let err_msg = format!(
-            "expected 1D Vector Input, but received {}D and {}D input",
-            mat1.ndims, mat2.ndims
-        );
-        report_error("ValueError", "np_dot", file!(), line!(), column!(), &err_msg);
-    }
-
-    let dim1 = (*mat1).get_dims();
-    let dim2 = (*mat2).get_dims();
-
-    if dim1[0] != dim2[0] {
-        let err_msg = format!("shapes ({},) and ({},) not aligned", dim1[0], dim2[0]);
-        report_error("ValueError", "np_dot", file!(), line!(), column!(), &err_msg);
-    }
-    let data_slice1 = unsafe { slice::from_raw_parts_mut(mat1.data, dim1[0]) };
-    let data_slice2 = unsafe { slice::from_raw_parts_mut(mat2.data, dim2[0]) };
-
-    let matrix1 = DMatrix::from_row_slice(dim1[0], 1, data_slice1);
-    let matrix2 = DMatrix::from_row_slice(dim2[0], 1, data_slice2);
-
-    matrix1.dot(&matrix2)
-}
-
 /// # Safety
 ///
 /// `mat1` and `mat2` should point to a valid 2DArray of `f64` floats in row-major order

nac3standalone/demo/src/ndarray.py

@@ -1451,13 +1451,28 @@ def test_ndarray_reshape():
     output_ndarray_float_1(z)
 
 def test_ndarray_dot():
-    x: ndarray[float, 1] = np_array([5.0, 1.0])
+    x1: ndarray[float, 1] = np_array([5.0, 1.0, 4.0, 2.0])
-    y: ndarray[float, 1] = np_array([5.0, 1.0])
+    y1: ndarray[float, 1] = np_array([5.0, 1.0, 6.0, 6.0])
-    z = np_dot(x, y)
+    z1 = np_dot(x1, y1)
 
-    output_ndarray_float_1(x)
+    x2: ndarray[int32, 1] = np_array([5, 1, 4, 2])
-    output_ndarray_float_1(y)
+    y2: ndarray[int32, 1] = np_array([5, 1, 6, 6])
-    output_float64(z)
+    z2 = np_dot(x2, y2)
+
+    x3: ndarray[bool, 1] = np_array([True, True, True, True])
+    y3: ndarray[bool, 1] = np_array([True, True, True, True])
+    z3 = np_dot(x3, y3)
+
+    z4 = np_dot(2, 3)
+    z5 = np_dot(2., 3.)
+    z6 = np_dot(True, False)
+
+    output_float64(z1)
+    output_int32(z2)
+    output_bool(z3)
+    output_int32(z4)
+    output_float64(z5)
+    output_bool(z6)
 
 def test_ndarray_linalg_matmul():
     x: ndarray[float, 2] = np_array([[5.0, 1.0], [1.0, 4.0]])