From 794318eb7bd6eb5d17bf4fd554324d256ef47e5d Mon Sep 17 00:00:00 2001
From: Xiaochun Tong <xtong@uwaterloo.ca>
Date: Wed, 18 Oct 2023 00:35:59 -0400
Subject: [PATCH] rename copy_sign -> copysign to match stdlib

---
 luisa_compute/src/lang/ops/impls.rs  | 2 +-
 luisa_compute/src/lang/ops/spread.rs | 4 ++--
 luisa_compute/src/lang/ops/traits.rs | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/luisa_compute/src/lang/ops/impls.rs b/luisa_compute/src/lang/ops/impls.rs
index 7c444a7..c91c88a 100644
--- a/luisa_compute/src/lang/ops/impls.rs
+++ b/luisa_compute/src/lang/ops/impls.rs
@@ -333,7 +333,7 @@ impl_ops_trait!([X: Linear] FloatMulAddExpr[FloatMulAddThis] for Expr<X> where [
 });
 
 impl_ops_trait!([X: Linear] FloatCopySignExpr[FloatCopySignThis] for Expr<X> where [X::Scalar: Floating] {
-    fn copy_sign[_copy_sign](self, sign) { Func::Copysign.call2(self, sign) }
+    fn copysign[_copysign](self, sign) { Func::Copysign.call2(self, sign) }
 });
 
 impl_ops_trait!([X: Linear] FloatStepExpr[FloatStepThis] for Expr<X> where [X::Scalar: Floating] {
diff --git a/luisa_compute/src/lang/ops/spread.rs b/luisa_compute/src/lang/ops/spread.rs
index 3c583d3..26db436 100644
--- a/luisa_compute/src/lang/ops/spread.rs
+++ b/luisa_compute/src/lang/ops/spread.rs
@@ -292,8 +292,8 @@ where
     Expr<T::Join>: FloatCopySignThis,
 {
     type Output = Expr<T::Join>;
-    fn copy_sign(self, sign: S) -> Self::Output {
-        Expr::<T::Join>::_copy_sign(Self::lift_self(self), Self::lift_other(sign))
+    fn copysign(self, sign: S) -> Self::Output {
+        Expr::<T::Join>::_copysign(Self::lift_self(self), Self::lift_other(sign))
     }
 }
 impl<T, S> FloatStepExpr<S> for T
diff --git a/luisa_compute/src/lang/ops/traits.rs b/luisa_compute/src/lang/ops/traits.rs
index 49c61e8..690a718 100644
--- a/luisa_compute/src/lang/ops/traits.rs
+++ b/luisa_compute/src/lang/ops/traits.rs
@@ -301,7 +301,7 @@ ops_trait!(FloatMulAddExpr<A, B>[FloatMulAddThis] {
 });
 
 ops_trait!(FloatCopySignExpr<T>[FloatCopySignThis] {
-    fn copy_sign[_copy_sign](self, sign: T);
+    fn copysign[_copysign](self, sign: T);
 });
 
 ops_trait!(FloatStepExpr<T>[FloatStepThis] {