From 7fc367a5870a3d496c2eb098c13918cc9622044c Mon Sep 17 00:00:00 2001
From: Jiacheng Huang <huangjiacheng0709@outlook.com>
Date: Wed, 13 May 2026 14:38:51 +0800
Subject: [PATCH 1/2] feat: add `nextafter` base

---
 src/base/nextafter.h | 49 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/base/nextafter.h

diff --git a/src/base/nextafter.h b/src/base/nextafter.h
new file mode 100644
index 000000000..7147ae394
--- /dev/null
+++ b/src/base/nextafter.h
@@ -0,0 +1,49 @@
+#ifndef INFINI_OPS_BASE_NEXTAFTER_H_
+#define INFINI_OPS_BASE_NEXTAFTER_H_
+
+#include "operator.h"
+
+namespace infini::ops {
+
+class Nextafter : public Operator<Nextafter> {
+ public:
+  Nextafter(const Tensor input, const Tensor other, Tensor out)
+      : input_shape_{input.shape()},
+        input_strides_{input.strides()},
+        input_type_{input.dtype()},
+        other_shape_{other.shape()},
+        other_strides_{other.strides()},
+        other_type_{other.dtype()},
+        out_shape_{out.shape()},
+        out_strides_{out.strides()},
+        out_type_{out.dtype()},
+        device_index_{out.device().index()} {}
+
+  virtual void operator()(const Tensor input, const Tensor other,
+                          Tensor out) const = 0;
+
+ protected:
+  Tensor::Shape input_shape_;
+
+  Tensor::Strides input_strides_;
+
+  DataType input_type_;
+
+  Tensor::Shape other_shape_;
+
+  Tensor::Strides other_strides_;
+
+  DataType other_type_;
+
+  Tensor::Shape out_shape_;
+
+  Tensor::Strides out_strides_;
+
+  DataType out_type_;
+
+  int device_index_{0};
+};
+
+}  // namespace infini::ops
+
+#endif
\ No newline at end of file

From 2868ceb2b5e75c2d60c581b9981343208c53bb67 Mon Sep 17 00:00:00 2001
From: Jiacheng Huang <huangjiacheng0709@outlook.com>
Date: Mon, 18 May 2026 19:52:22 +0800
Subject: [PATCH 2/2] fix: add trailing newline to base header

---
 src/base/nextafter.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/base/nextafter.h b/src/base/nextafter.h
index 7147ae394..2d5634c73 100644
--- a/src/base/nextafter.h
+++ b/src/base/nextafter.h
@@ -46,4 +46,4 @@ class Nextafter : public Operator<Nextafter> {
 
 }  // namespace infini::ops
 
-#endif
\ No newline at end of file
+#endif