From 57e9ccbdf2f13cd66edd326a9cbf64c9207ab440 Mon Sep 17 00:00:00 2001
From: ahn <34005957+glingi@users.noreply.github.com>
Date: Tue, 27 Aug 2019 09:37:44 +0900
Subject: [PATCH] Fix for more than one operator "*"

Dev. Environment : Win10, CUDA v9.0, torch7, MSVC 19.00.24215.1 (VS 2015)  x64 compiler

Line 71, 86 and 101 caused "error : more than one operator "*" matches these operands"
---
 lib/THCUNN/PReLU.cu | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/THCUNN/PReLU.cu b/lib/THCUNN/PReLU.cu
index 395e4a1e..0a286b76 100644
--- a/lib/THCUNN/PReLU.cu
+++ b/lib/THCUNN/PReLU.cu
@@ -68,7 +68,7 @@ struct PReLUAccGradParametersShared
 {
   __device__ __forceinline__ void operator()(T *gradInput, T  *input, T *gradOutput)
   {
-    *gradInput = (*input) * (*gradOutput) * (*input <= 0);
+    *gradInput = *input <= 0 ? (*input) * (*gradOutput) : 0;
   }
 };
 
@@ -83,7 +83,7 @@ struct PReLUAccGradParameters
 
   __device__ __forceinline__ void operator()(T *gradInput, T *input, T *gradOutput)
   {
-    *gradInput = (*input) * (*gradOutput) * scale * (*input <= 0);
+    *gradInput = *input <= 0 ? (*input) * (*gradOutput) * scale : 0;
   }
 };
 
@@ -98,7 +98,7 @@ struct PReLUAccGradParameters1to1
 
   __device__ __forceinline__ void operator()(T *gradWeight, T *input, T *gradOutput)
   {
-    *gradWeight += (*input) * (*gradOutput) * scale * (*input <= 0);
+    *gradWeight += *input <= 0 ? (*input) * (*gradOutput) * scale : 0;
   }
 };