1 // 2 // Copyright 2016 Pixar 3 // 4 // Licensed under the Apache License, Version 2.0 (the "Apache License") 5 // with the following modification; you may not use this file except in 6 // compliance with the Apache License and the following modification to it: 7 // Section 6. Trademarks. is deleted and replaced with: 8 // 9 // 6. Trademarks. This License does not grant permission to use the trade 10 // names, trademarks, service marks, or product names of the Licensor 11 // and its affiliates, except as required to comply with Section 4(c) of 12 // the License and to reproduce the content of the NOTICE file. 13 // 14 // You may obtain a copy of the Apache License at 15 // 16 // http://www.apache.org/licenses/LICENSE-2.0 17 // 18 // Unless required by applicable law or agreed to in writing, software 19 // distributed under the Apache License with the above modification is 20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 21 // KIND, either express or implied. See the Apache License for the specific 22 // language governing permissions and limitations under the Apache License. 23 // 24 #ifndef PXR_BASE_GF_LIMITS_H 25 #define PXR_BASE_GF_LIMITS_H 26 27 /// \file gf/limits.h 28 /// \ingroup group_gf_BasicMath 29 /// Defines useful mathematical limits. 30 31 /// This constant is used to determine whether the length of a vector is too 32 /// small to handle accurately. 33 /// \ingroup group_gf_BasicMath 34 #define GF_MIN_VECTOR_LENGTH 1e-10 35 36 /// This constant is used to determine when a set of basis vectors is close to 37 /// orthogonal. 38 /// \ingroup group_gf_LinearAlgebra 39 #define GF_MIN_ORTHO_TOLERANCE 1e-6 40 41 #endif 42