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half.h
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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:
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9 // 6. Trademarks. This License does not grant permission to use the trade
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23 //
24 #ifndef GF_HALF_H
25 #define GF_HALF_H
26 
27 /// \file gf/half.h
28 ///
29 /// This header serves to simply bring in the half float datatype and
30 /// provide a hash_value function. For documentation, of the half type,
31 /// please see the half header in ilmbase_half.h.
32 
33 #include "pxr/pxr.h"
36 
37 #include <type_traits>
38 
40 
41 /// A 16-bit floating point data type.
43 
44 namespace pxr_half {
45  /// Overload hash_value for half.
46  template<typename Half>
47  inline
49  hash_value(const Half& h) { return h.bits(); }
50 }
51 
52 /// Returns the dot (inner) product of two vectors.
53 /// For scalar types, this is just the regular product.
54 /// \ingroup group_gf_BasicMath
56  return a * b;
57 }
58 
60 
61 
62 #endif // GF_HALF_H
GLboolean GLboolean GLboolean GLboolean a
Definition: glew.h:9477
GfHalf GfDot(GfHalf a, GfHalf b)
Definition: half.h:55
std::enable_if< std::is_same< Half, half >::value, size_t >::type hash_value(const Half &h)
Overload hash_value for half.
Definition: half.h:49
GLfloat GLfloat GLfloat GLfloat h
Definition: glew.h:8011
GLuint GLuint GLsizei GLenum type
Definition: glew.h:1253
GLdouble GLdouble GLdouble b
Definition: glew.h:9122
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1245
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:83
GLsizei const GLfloat * value
Definition: glew.h:1849