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Wwise SDK 2022.1.18
AkFPUtilities.h
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2 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
3 released in source code form as part of the SDK installer package.
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5 Commercial License Usage
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8 may use this file in accordance with the end user license agreement provided
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12 Apache License Usage
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14 Alternatively, this file may be used under the Apache License, Version 2.0 (the
15 "Apache License"); you may not use this file except in compliance with the
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22 the specific language governing permissions and limitations under the License.
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26 
27 /// \file
28 /// Floating point performance utilities.
29 
30 #ifndef _AK_FP_UTILS_H_
31 #define _AK_FP_UTILS_H_
32 
33 #include <AK/SoundEngine/Common/AkTypes.h>
34 
35 #define AK_FSEL( __a__, __b__, __c__) (((__a__) >= 0) ? (__b__) : (__c__))
36 
37 /// Branchless (where available) version returning minimum value between two AkReal32 values
38 static AkForceInline AkReal32 AK_FPMin( AkReal32 fA, AkReal32 fB )
39 {
40  return (fA < fB ? fA : fB);
41 }
42 
43 /// Branchless (where available) version returning maximum value between two AkReal32 values
44 static AkForceInline AkReal32 AK_FPMax( AkReal32 fA, AkReal32 fB )
45 {
46  return (fA > fB ? fA : fB);
47 }
48 
49 /// Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is greater than 2nd argument.
50 static AkForceInline void AK_FPSetValGT( AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 & io_fVariableToSet, AkReal32 in_fValueIfTrue )
51 {
52  if ( in_fComparandA > in_fComparandB )
53  io_fVariableToSet = in_fValueIfTrue;
54 }
55 
56 /// Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is greater than equal 2nd argument.
57 static AkForceInline void AK_FPSetValGTE( AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 & io_fVariableToSet, AkReal32 in_fValueIfTrue )
58 {
59  if ( in_fComparandA >= in_fComparandB )
60  io_fVariableToSet = in_fValueIfTrue;
61 }
62 
63 /// Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is less than 2nd argument.
64 static AkForceInline void AK_FPSetValLT( AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 & io_fVariableToSet, AkReal32 in_fValueIfTrue )
65 {
66  if ( in_fComparandA < in_fComparandB )
67  io_fVariableToSet = in_fValueIfTrue;
68 }
69 
70 /// Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is less than equal 2nd argument.
71 static AkForceInline void AK_FPSetValLTE( AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 & io_fVariableToSet, AkReal32 in_fValueIfTrue )
72 {
73  if ( in_fComparandA <= in_fComparandB )
74  io_fVariableToSet = in_fValueIfTrue;
75 }
76 
77 #endif //_AK_FP_UTILS_H_
78 
AK_FPSetValLTE
static AkForceInline void AK_FPSetValLTE(AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 &io_fVariableToSet, AkReal32 in_fValueIfTrue)
Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is less ...
Definition: AkFPUtilities.h:71
AkReal32
float AkReal32
32-bit floating point
Definition: AkNumeralTypes.h:46
AK_FPSetValGTE
static AkForceInline void AK_FPSetValGTE(AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 &io_fVariableToSet, AkReal32 in_fValueIfTrue)
Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is great...
Definition: AkFPUtilities.h:57
AK_FPMax
static AkForceInline AkReal32 AK_FPMax(AkReal32 fA, AkReal32 fB)
Branchless (where available) version returning maximum value between two AkReal32 values
Definition: AkFPUtilities.h:44
AK_FPSetValGT
static AkForceInline void AK_FPSetValGT(AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 &io_fVariableToSet, AkReal32 in_fValueIfTrue)
Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is great...
Definition: AkFPUtilities.h:50
AK_FPMin
static AkForceInline AkReal32 AK_FPMin(AkReal32 fA, AkReal32 fB)
Branchless (where available) version returning minimum value between two AkReal32 values
Definition: AkFPUtilities.h:38
AkForceInline
#define AkForceInline
Definition: AkTypes.h:63
AK_FPSetValLT
static AkForceInline void AK_FPSetValLT(AkReal32 in_fComparandA, AkReal32 in_fComparandB, AkReal32 &io_fVariableToSet, AkReal32 in_fValueIfTrue)
Branchless comparison (where available) setting 3rd argument to 4th argument if 1st argument is less ...
Definition: AkFPUtilities.h:64

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