2 files changed, 50 insertions, 0 deletions
diff --git a/py/nativeglue.c b/py/nativeglue.c
index a88d8c1b9b..1a7f92f945 100644
--- a/py/nativeglue.c
+++ b/py/nativeglue.c
@@ -211,6 +211,48 @@ STATIC bool mp_native_yield_from(mp_obj_t gen, mp_obj_t send_value, mp_obj_t *re
     return false;
 }
 
+#if MICROPY_PY_BUILTINS_FLOAT
+
+STATIC mp_obj_t mp_obj_new_float_from_f(float f) {
+    return mp_obj_new_float((mp_float_t)f);
+}
+
+STATIC mp_obj_t mp_obj_new_float_from_d(double d) {
+    return mp_obj_new_float((mp_float_t)d);
+}
+
+STATIC float mp_obj_get_float_to_f(mp_obj_t o) {
+    return (float)mp_obj_get_float(o);
+}
+
+STATIC double mp_obj_get_float_to_d(mp_obj_t o) {
+    return (double)mp_obj_get_float(o);
+}
+
+#else
+
+STATIC mp_obj_t mp_obj_new_float_from_f(float f) {
+    (void)f;
+    mp_raise_msg(&mp_type_RuntimeError, "float unsupported");
+}
+
+STATIC mp_obj_t mp_obj_new_float_from_d(double d) {
+    (void)d;
+    mp_raise_msg(&mp_type_RuntimeError, "float unsupported");
+}
+
+STATIC float mp_obj_get_float_to_f(mp_obj_t o) {
+    (void)o;
+    mp_raise_msg(&mp_type_RuntimeError, "float unsupported");
+}
+
+STATIC double mp_obj_get_float_to_d(mp_obj_t o) {
+    (void)o;
+    mp_raise_msg(&mp_type_RuntimeError, "float unsupported");
+}
+
+#endif
+
 // these must correspond to the respective enum in runtime0.h
 const mp_fun_table_t mp_fun_table = {
     &mp_const_none_obj,
@@ -282,6 +324,10 @@ const mp_fun_table_t mp_fun_table = {
     mp_obj_new_str,
     mp_obj_new_bytes,
     mp_obj_new_bytearray_by_ref,
+    mp_obj_new_float_from_f,
+    mp_obj_new_float_from_d,
+    mp_obj_get_float_to_f,
+    mp_obj_get_float_to_d,
     mp_get_buffer_raise,
     mp_get_stream_raise,
     &mp_plat_print,
diff --git a/py/nativeglue.h b/py/nativeglue.h
index 9abae89df2..021e7a8ecb 100644
--- a/py/nativeglue.h
+++ b/py/nativeglue.h
@@ -150,6 +150,10 @@ typedef struct _mp_fun_table_t {
     mp_obj_t (*obj_new_str)(const char* data, size_t len);
     mp_obj_t (*obj_new_bytes)(const byte* data, size_t len);
     mp_obj_t (*obj_new_bytearray_by_ref)(size_t n, void *items);
+    mp_obj_t (*obj_new_float_from_f)(float f);
+    mp_obj_t (*obj_new_float_from_d)(double d);
+    float (*obj_get_float_to_f)(mp_obj_t o);
+    double (*obj_get_float_to_d)(mp_obj_t o);
     void (*get_buffer_raise)(mp_obj_t obj, mp_buffer_info_t *bufinfo, mp_uint_t flags);
     const mp_stream_p_t *(*get_stream_raise)(mp_obj_t self_in, int flags);
     const mp_print_t *plat_print;