Resolve issues detected by legacing testing

Author: antonwolfy

dpnp/fft/dpnp_iface_fft.py

@@ -269,7 +269,7 @@ def fft2(a, s=None, axes=(-2, -1), norm=None, out=None):
 
 
 def fftfreq(
-    n, /, *, d=1.0, dtype=None, device=None, usm_type=None, sycl_queue=None
+    n, /, d=1.0, *, dtype=None, device=None, usm_type=None, sycl_queue=None
 ):
     """
     Return the Discrete Fourier Transform sample frequencies.
@@ -1583,7 +1583,7 @@ def rfft2(a, s=None, axes=(-2, -1), norm=None, out=None):
 
 
 def rfftfreq(
-    n, /, *, d=1.0, dtype=None, device=None, usm_type=None, sycl_queue=None
+    n, /, d=1.0, *, dtype=None, device=None, usm_type=None, sycl_queue=None
 ):
     """
     Return the Discrete Fourier Transform sample frequencies

dpnp/fft/dpnp_utils_fft.py

@@ -708,9 +708,9 @@ def dpnp_fillfreq(a, m, n, val):
     _manager = dpctl.utils.SequentialOrderManager[exec_q]
 
     # it's assumed there is no dependent events to fill the array
-    ht_lin_ev, lin_ev = ti._linspace_step(0, m, a[:m].get_array(), exec_q)
+    ht_lin_ev, lin_ev = ti._linspace_step(0, 1, a[:m].get_array(), exec_q)
     _manager.add_event_pair(ht_lin_ev, lin_ev)
 
-    ht_lin_ev, lin_ev = ti._linspace_step(m - n, 0, a[m:].get_array(), exec_q)
+    ht_lin_ev, lin_ev = ti._linspace_step(m - n, 1, a[m:].get_array(), exec_q)
     _manager.add_event_pair(ht_lin_ev, lin_ev)
     return a * val