function skeleton

This commit is contained in:
mwojcik 2024-10-23 17:18:46 +08:00
parent f2c047ba57
commit 1c97d9dd11
3 changed files with 161 additions and 1 deletions

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@ -2250,7 +2250,7 @@ pub fn call_np_linalg_matrix_power<'ctx, G: CodeGenerator + ?Sized>(
ctx,
generator,
&llvm_usize.const_zero(),
n2.as_basic_value_enum(),
n2.as_basic_value_enum(),
);
};
let n2_array = n2_array.as_base_value().as_basic_value_enum();
@ -2401,3 +2401,47 @@ pub fn call_sp_linalg_hessenberg<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty])
}
}
/// Invokes the ``np_arange`` function
pub fn call_np_arange<'ctx, G: CodeGenerator + ?Sized>(
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
start: (Type, BasicValueEnum<'ctx>),
stop: (Type, BasicValueEnum<'ctx>),
step: (Type, BasicValueEnum<'ctx>),
) -> Result<BasicValueEnum<'ctx>, String> {
const FN_NAME: &str = "np_arange";
let (start_ty, start) = start;
let (stop_ty, stop) = stop;
let (step_ty, step) = step;
// verify start/stop are the same type (or cast to float)
// step can be float
// stop is not included in range
// generate an array based on it, ez
// return type is int only if both start and step args are int
let mut actual_step_ty = match (start, step) {
BasicValueEnum::IntType(_), BasicValueEnum::IntType(_) |
BasicValueEnum::FloatType(_), BasicValueEnum::IntType(_) => start_ty,
BasicValueEnum::IntType(_), BasicValueEnum::FloatType(_) |
BasicValueEnum::FloatType(_), BasicValueEnum::FloatType(_) => step_ty,
_ => unsupported_type(ctx, FN_NAME, &[start])
};
let mut out = numpy::create_ndarray_const_shape(generator, ctx, actual_step_ty, &[])
.unwrap()
.as_base_value()
.as_basic_value_enum();
gen_for_callback(
generator,
ctx,
Some(FN_NAME),
|init|,
|cond|,
|body|,
|update|,
)
}

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@ -580,6 +580,8 @@ impl<'a> BuiltinBuilder<'a> {
self.build_np_sp_ndarray_function(prim)
}
PrimDef::FunNpArange => self.build_arange_method(),
PrimDef::FunNpDot
| PrimDef::FunNpLinalgCholesky
| PrimDef::FunNpLinalgQr
@ -1923,6 +1925,118 @@ impl<'a> BuiltinBuilder<'a> {
}
}
/// Build `np_arange` function
fn build_np_arange_function(&mut self, prim: PrimDef) -> TopLevelDef {
// returns ndarray with either ints or floats, depending on args
let ndarray_float =
make_ndarray_ty(self.unifier, self.primitives, Some(float), Some(common_ndim.ty));
TopLevelDef::Function {
name: prim.name().into(),
simple_name: prim.simple_name().into(),
signature: make_ctor_signature(self.unifier),
var_id: Vec::default(),
instance_to_symbol: HashMap::default(),
instance_to_stmt: HashMap::default(),
resolver: None,
codegen_callback: Some(Arc::new(GenCall::new(Box::new(
|ctx, obj, _, args, generator| {
let (zelf_ty, zelf) = obj.unwrap();
let zelf =
zelf.to_basic_value_enum(ctx, generator, zelf_ty)?.into_pointer_value();
let zelf = RangeValue::from_ptr_val(zelf, Some("range"));
let mut start = None;
let mut stop = None;
let mut step = None;
let int32 = ctx.ctx.i32_type();
let ty_i32 = ctx.primitives.int32;
for (i, arg) in args.iter().enumerate() {
if arg.0 == Some("start".into()) {
start = Some(
arg.1
.clone()
.to_basic_value_enum(ctx, generator, ty_i32)?
.into_int_value(),
);
} else if arg.0 == Some("stop".into()) {
stop = Some(
arg.1
.clone()
.to_basic_value_enum(ctx, generator, ty_i32)?
.into_int_value(),
);
} else if arg.0 == Some("step".into()) {
step = Some(
arg.1
.clone()
.to_basic_value_enum(ctx, generator, ty_i32)?
.into_int_value(),
);
} else if i == 0 {
start = Some(
arg.1
.clone()
.to_basic_value_enum(ctx, generator, ty_i32)?
.into_int_value(),
);
} else if i == 1 {
stop = Some(
arg.1
.clone()
.to_basic_value_enum(ctx, generator, ty_i32)?
.into_int_value(),
);
} else if i == 2 {
step = Some(
arg.1
.clone()
.to_basic_value_enum(ctx, generator, ty_i32)?
.into_int_value(),
);
}
}
let step = match step {
Some(step) => {
// assert step != 0, throw exception if not
let not_zero = ctx
.builder
.build_int_compare(
IntPredicate::NE,
step,
step.get_type().const_zero(),
"range_step_ne",
)
.unwrap();
ctx.make_assert(
generator,
not_zero,
"0:ValueError",
"range() step must not be zero",
[None, None, None],
ctx.current_loc,
);
step
}
None => int32.const_int(1, false),
};
let stop = stop.unwrap_or_else(|| {
let v = start.unwrap();
start = None;
v
});
let start = start.unwrap_or_else(|| int32.const_zero());
zelf.store_start(ctx, start);
zelf.store_end(ctx, stop);
zelf.store_step(ctx, step);
Ok(Some(builtin_fns::call_np_arange(generator, ctx, (start_ty, start), (stop_ty, stop), (step_ty, step))))
},
)))),
loc: None,
}
}
/// Build `np_linalg` and `sp_linalg` functions
///
/// The input to these functions must be floating point `NDArray`

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@ -102,6 +102,7 @@ pub enum PrimDef {
FunNpNextAfter,
FunNpTranspose,
FunNpReshape,
FunNpArange,
// Linalg functions
FunNpDot,
@ -288,6 +289,7 @@ impl PrimDef {
PrimDef::FunNpNextAfter => fun("np_nextafter", None),
PrimDef::FunNpTranspose => fun("np_transpose", None),
PrimDef::FunNpReshape => fun("np_reshape", None),
PrimDef::FunNpArange => fun("np_arange", None)
// Linalg functions
PrimDef::FunNpDot => fun("np_dot", None),