Added NVIDIA license

Author: rosinality

LICENSE-NVIDIA

@@ -0,0 +1,101 @@
+Copyright (c) 2019, NVIDIA Corporation. All rights reserved.
+
+
+Nvidia Source Code License-NC
+
+=======================================================================
+
+1. Definitions
+
+"Licensor" means any person or entity that distributes its Work.
+
+"Software" means the original work of authorship made available under
+this License.
+
+"Work" means the Software and any additions to or derivative works of
+the Software that are made available under this License.
+
+"Nvidia Processors" means any central processing unit (CPU), graphics
+processing unit (GPU), field-programmable gate array (FPGA),
+application-specific integrated circuit (ASIC) or any combination
+thereof designed, made, sold, or provided by Nvidia or its affiliates.
+
+The terms "reproduce," "reproduction," "derivative works," and
+"distribution" have the meaning as provided under U.S. copyright law;
+provided, however, that for the purposes of this License, derivative
+works shall not include works that remain separable from, or merely
+link (or bind by name) to the interfaces of, the Work.
+
+Works, including the Software, are "made available" under this License
+by including in or with the Work either (a) a copyright notice
+referencing the applicability of this License to the Work, or (b) a
+copy of this License.
+
+2. License Grants
+
+    2.1 Copyright Grant. Subject to the terms and conditions of this
+    License, each Licensor grants to you a perpetual, worldwide,
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+
+3. Limitations
+
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+
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+    works that are subject to Your Terms. Notwithstanding Your Terms,
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+
+    3.3 Use Limitation. The Work and any derivative works thereof only
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+
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+    against any Licensor (including any claim, cross-claim or
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+
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+    Licensor's or its affiliates' names, logos, or trademarks, except
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+    3.6 Termination. If you violate any term of this License, then your
+    rights under this License (including the grants in Sections 2.1 and
+    2.2) will terminate immediately.
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+4. Disclaimer of Warranty.
+
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+THIS LICENSE. 
+
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+
+EXCEPT AS PROHIBITED BY APPLICABLE LAW, IN NO EVENT AND UNDER NO LEGAL
+THEORY, WHETHER IN TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE
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+THE POSSIBILITY OF SUCH DAMAGES.
+
+=======================================================================

op/fused_bias_act_kernel.cu

@@ -1,3 +1,9 @@
+// Copyright (c) 2019, NVIDIA Corporation. All rights reserved.
+//
+// This work is made available under the Nvidia Source Code License-NC.
+// To view a copy of this license, visit
+// https://nvlabs.github.io/stylegan2/license.html
+
 #include <torch/types.h>
 
 #include <ATen/ATen.h>

op/upfirdn2d_kernel.cu

@@ -1,3 +1,9 @@
+// Copyright (c) 2019, NVIDIA Corporation. All rights reserved.
+//
+// This work is made available under the Nvidia Source Code License-NC.
+// To view a copy of this license, visit
+// https://nvlabs.github.io/stylegan2/license.html
+
 #include <torch/types.h>
 
 #include <ATen/ATen.h>