function skeleton
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@ -2401,3 +2401,47 @@ pub fn call_sp_linalg_hessenberg<'ctx, G: CodeGenerator + ?Sized>(
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unsupported_type(ctx, FN_NAME, &[x1_ty])
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}
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}
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/// Invokes the ``np_arange`` function
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pub fn call_np_arange<'ctx, G: CodeGenerator + ?Sized>(
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generator: &mut G,
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ctx: &mut CodeGenContext<'ctx, '_>,
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start: (Type, BasicValueEnum<'ctx>),
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stop: (Type, BasicValueEnum<'ctx>),
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step: (Type, BasicValueEnum<'ctx>),
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) -> Result<BasicValueEnum<'ctx>, String> {
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const FN_NAME: &str = "np_arange";
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let (start_ty, start) = start;
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let (stop_ty, stop) = stop;
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let (step_ty, step) = step;
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// verify start/stop are the same type (or cast to float)
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// step can be float
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// stop is not included in range
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// generate an array based on it, ez
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// return type is int only if both start and step args are int
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let mut actual_step_ty = match (start, step) {
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BasicValueEnum::IntType(_), BasicValueEnum::IntType(_) |
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BasicValueEnum::FloatType(_), BasicValueEnum::IntType(_) => start_ty,
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BasicValueEnum::IntType(_), BasicValueEnum::FloatType(_) |
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BasicValueEnum::FloatType(_), BasicValueEnum::FloatType(_) => step_ty,
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_ => unsupported_type(ctx, FN_NAME, &[start])
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};
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let mut out = numpy::create_ndarray_const_shape(generator, ctx, actual_step_ty, &[])
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.unwrap()
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.as_base_value()
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.as_basic_value_enum();
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gen_for_callback(
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generator,
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ctx,
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Some(FN_NAME),
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|init|,
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|cond|,
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|body|,
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|update|,
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)
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}
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@ -580,6 +580,8 @@ impl<'a> BuiltinBuilder<'a> {
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self.build_np_sp_ndarray_function(prim)
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}
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PrimDef::FunNpArange => self.build_arange_method(),
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PrimDef::FunNpDot
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| PrimDef::FunNpLinalgCholesky
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| PrimDef::FunNpLinalgQr
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@ -1923,6 +1925,118 @@ impl<'a> BuiltinBuilder<'a> {
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}
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}
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/// Build `np_arange` function
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fn build_np_arange_function(&mut self, prim: PrimDef) -> TopLevelDef {
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// returns ndarray with either ints or floats, depending on args
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let ndarray_float =
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make_ndarray_ty(self.unifier, self.primitives, Some(float), Some(common_ndim.ty));
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TopLevelDef::Function {
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name: prim.name().into(),
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simple_name: prim.simple_name().into(),
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signature: make_ctor_signature(self.unifier),
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var_id: Vec::default(),
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instance_to_symbol: HashMap::default(),
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instance_to_stmt: HashMap::default(),
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resolver: None,
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codegen_callback: Some(Arc::new(GenCall::new(Box::new(
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|ctx, obj, _, args, generator| {
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let (zelf_ty, zelf) = obj.unwrap();
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let zelf =
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zelf.to_basic_value_enum(ctx, generator, zelf_ty)?.into_pointer_value();
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let zelf = RangeValue::from_ptr_val(zelf, Some("range"));
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let mut start = None;
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let mut stop = None;
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let mut step = None;
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let int32 = ctx.ctx.i32_type();
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let ty_i32 = ctx.primitives.int32;
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for (i, arg) in args.iter().enumerate() {
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if arg.0 == Some("start".into()) {
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start = Some(
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arg.1
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.clone()
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.to_basic_value_enum(ctx, generator, ty_i32)?
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.into_int_value(),
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);
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} else if arg.0 == Some("stop".into()) {
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stop = Some(
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arg.1
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.clone()
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.to_basic_value_enum(ctx, generator, ty_i32)?
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.into_int_value(),
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);
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} else if arg.0 == Some("step".into()) {
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step = Some(
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arg.1
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.clone()
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.to_basic_value_enum(ctx, generator, ty_i32)?
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.into_int_value(),
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);
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} else if i == 0 {
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start = Some(
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arg.1
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.clone()
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.to_basic_value_enum(ctx, generator, ty_i32)?
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.into_int_value(),
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);
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} else if i == 1 {
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stop = Some(
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arg.1
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.clone()
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.to_basic_value_enum(ctx, generator, ty_i32)?
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.into_int_value(),
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);
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} else if i == 2 {
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step = Some(
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arg.1
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.clone()
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.to_basic_value_enum(ctx, generator, ty_i32)?
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.into_int_value(),
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);
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}
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}
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let step = match step {
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Some(step) => {
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// assert step != 0, throw exception if not
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let not_zero = ctx
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.builder
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.build_int_compare(
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IntPredicate::NE,
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step,
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step.get_type().const_zero(),
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"range_step_ne",
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)
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.unwrap();
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ctx.make_assert(
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generator,
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not_zero,
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"0:ValueError",
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"range() step must not be zero",
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[None, None, None],
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ctx.current_loc,
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);
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step
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}
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None => int32.const_int(1, false),
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};
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let stop = stop.unwrap_or_else(|| {
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let v = start.unwrap();
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start = None;
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v
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});
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let start = start.unwrap_or_else(|| int32.const_zero());
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zelf.store_start(ctx, start);
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zelf.store_end(ctx, stop);
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zelf.store_step(ctx, step);
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Ok(Some(builtin_fns::call_np_arange(generator, ctx, (start_ty, start), (stop_ty, stop), (step_ty, step))))
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},
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)))),
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loc: None,
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}
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}
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/// Build `np_linalg` and `sp_linalg` functions
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///
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/// The input to these functions must be floating point `NDArray`
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@ -102,6 +102,7 @@ pub enum PrimDef {
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FunNpNextAfter,
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FunNpTranspose,
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FunNpReshape,
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FunNpArange,
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// Linalg functions
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FunNpDot,
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@ -288,6 +289,7 @@ impl PrimDef {
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PrimDef::FunNpNextAfter => fun("np_nextafter", None),
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PrimDef::FunNpTranspose => fun("np_transpose", None),
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PrimDef::FunNpReshape => fun("np_reshape", None),
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PrimDef::FunNpArange => fun("np_arange", None)
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// Linalg functions
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PrimDef::FunNpDot => fun("np_dot", None),
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