From e9c338c115843f77db49ff985c60aad281d22fd9 Mon Sep 17 00:00:00 2001
From: p1utoze <1ds21ai001@dsce.edu.in>
Date: Sun, 3 Sep 2023 12:44:54 +0530
Subject: [PATCH 1/3] Added fftfreq() paddle frontend function in paddle.fft

---
 ivy/functional/frontends/paddle/fft.py        | 24 +++++++++++++++
 .../test_frontends/test_paddle/test_fft.py    | 30 +++++++++++++++++++
 2 files changed, 54 insertions(+)

diff --git a/ivy/functional/frontends/paddle/fft.py b/ivy/functional/frontends/paddle/fft.py
index bd40f59060eb..6dcaa053a281 100644
--- a/ivy/functional/frontends/paddle/fft.py
+++ b/ivy/functional/frontends/paddle/fft.py
@@ -16,6 +16,30 @@ def fft(x, n=None, axis=-1.0, norm="backward", name=None):
     return ivy.astype(ret, x.dtype)
 
 
+@with_supported_dtypes(
+    {
+        "2.5.1 and below": (
+            "int32",
+            "int64",
+            "float32",
+            "float64",
+        )
+    },
+    "paddle",
+)
+@to_ivy_arrays_and_back
+def fftfreq(n, d=1.0, dtype=None, name=None):
+    if d * n == 0:
+        raise ValueError("d or n should not be 0.")
+
+    val = 1.0 / (n * d)
+    pos_max = (n + 1) // 2
+    neg_max = n // 2
+    indices = ivy.arange(-neg_max, pos_max, dtype=dtype)
+    indices = ivy.roll(indices, -neg_max)
+    return ivy.multiply(indices, val)
+
+
 @with_supported_dtypes(
     {
         "2.5.1 and below": (
diff --git a/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py b/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py
index e136ea66d720..24fa6dde556c 100644
--- a/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py
+++ b/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py
@@ -46,6 +46,36 @@ def test_paddle_fft(
     )
 
 
+@handle_frontend_test(
+    fn_tree="paddle.fft.fftfreq",
+    n=st.integers(min_value=2, max_value=100),
+    sample_space=st.integers(min_value=1, max_value=10),
+    dtypes=helpers.get_dtypes("integer"),
+)
+def test_paddle_fftfreq(
+    n,
+    sample_space,
+    dtypes,
+    frontend,
+    test_flags,
+    fn_tree,
+    on_device,
+    backend_fw,
+):
+    d = 1 / sample_space
+    helpers.test_frontend_function(
+        input_dtypes=dtypes,
+        backend_to_test=backend_fw,
+        frontend=frontend,
+        test_flags=test_flags,
+        fn_tree=fn_tree,
+        on_device=on_device,
+        test_values=True,
+        n=n,
+        d=d,
+    )
+
+
 @handle_frontend_test(
     fn_tree="paddle.fft.fftshift",
     dtype_x_axis=helpers.dtype_values_axis(

From d0d1582f2b207b21387d237e649e9f7e5485e869 Mon Sep 17 00:00:00 2001
From: p1utoze <1ds21ai001@dsce.edu.in>
Date: Thu, 14 Sep 2023 15:38:41 +0530
Subject: [PATCH 2/3] Update paddle.fftfreq function and passes tests cases

---
 ivy/functional/frontends/paddle/fft.py                 |  1 +
 .../test_ivy/test_frontends/test_paddle/test_fft.py    | 10 +++++-----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/ivy/functional/frontends/paddle/fft.py b/ivy/functional/frontends/paddle/fft.py
index 7c35e502a5da..eca3ca9887c7 100644
--- a/ivy/functional/frontends/paddle/fft.py
+++ b/ivy/functional/frontends/paddle/fft.py
@@ -32,6 +32,7 @@ def fftfreq(n, d=1.0, dtype=None, name=None):
     if d * n == 0:
         raise ValueError("d or n should not be 0.")
 
+    dtype = ivy.default_dtype()
     val = 1.0 / (n * d)
     pos_max = (n + 1) // 2
     neg_max = n // 2
diff --git a/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py b/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py
index 882ac8d91143..40c5249cefb0 100644
--- a/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py
+++ b/ivy_tests/test_ivy/test_frontends/test_paddle/test_fft.py
@@ -48,13 +48,13 @@ def test_paddle_fft(
 
 @handle_frontend_test(
     fn_tree="paddle.fft.fftfreq",
-    n=st.integers(min_value=2, max_value=100),
-    sample_space=st.integers(min_value=1, max_value=10),
-    dtypes=helpers.get_dtypes("integer"),
+    n=st.integers(min_value=1, max_value=1000),
+    sample_rate=st.integers(min_value=1, max_value=20),
+    dtypes=helpers.get_dtypes("valid"),
 )
 def test_paddle_fftfreq(
     n,
-    sample_space,
+    sample_rate,
     dtypes,
     frontend,
     test_flags,
@@ -62,7 +62,7 @@ def test_paddle_fftfreq(
     on_device,
     backend_fw,
 ):
-    d = 1 / sample_space
+    d = 1 / sample_rate
     helpers.test_frontend_function(
         input_dtypes=dtypes,
         backend_to_test=backend_fw,

From 2bb3d2b936c21d0dbe60e0844eb9578dfb96f887 Mon Sep 17 00:00:00 2001
From: p1utoze <1ds21ai001@dsce.edu.in>
Date: Wed, 27 Sep 2023 08:40:35 +0530
Subject: [PATCH 3/3] Update paddle.fftfreq to check dtype

---
 ivy/functional/frontends/paddle/fft.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ivy/functional/frontends/paddle/fft.py b/ivy/functional/frontends/paddle/fft.py
index 1c6c5b0e7773..0cad62e60db5 100644
--- a/ivy/functional/frontends/paddle/fft.py
+++ b/ivy/functional/frontends/paddle/fft.py
@@ -32,7 +32,8 @@ def fftfreq(n, d=1.0, dtype=None, name=None):
     if d * n == 0:
         raise ValueError("d or n should not be 0.")
 
-    dtype = ivy.default_dtype()
+    if dtype is None:
+        dtype = ivy.default_dtype()
     val = 1.0 / (n * d)
     pos_max = (n + 1) // 2
     neg_max = n // 2