Edinburgh Speech Tools 2.4-release
 
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EST_inline_utils.h
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33
34/**@name EST_inline_utils.h
35 * Some simple inline functions gathered together in one place.
36 * <p>
37 * @author Richard Caley <rjc@cstr.ed.ac.uk>
38 * @version $Id: EST_inline_utils.h,v 1.3 2004/05/04 00:00:17 awb Exp $
39 */
40
41//@{
42
43#ifndef __EST_INLINE_UTILS_H__
44#define __EST_INLINE_UTILS_H__
45
46/// Round to nearest integer
47static inline int irint(float f) { return (int)(f+0.5); }
48/// Round to nearest integer
49static inline int irint(double f) { return (int)(f+0.5); }
50/// Round to nearest integer
51static inline int srint(float f) { return (short)(f+0.5); }
52/// Round to nearest integer
53static inline int srint(double f) { return (short)(f+0.5); }
54/// Round down
55static inline int ifloor(float f) { return (int)(f); }
56/// Round up
57static inline int iceil(float f) { return (int)(f+0.9999999); }
58
59/// Smaller of two ints
60static inline int min(int a, int b) { return (a<b)?a:b; }
61/// Larger of two ints
62static inline int max(int a, int b) { return (a>b)?a:b; }
63/// Smaller of two floats
64static inline float min(float a, float b) { return (a<b)?a:b; }
65/// Larger of two floats
66static inline float max(float a, float b) { return (a>b)?a:b; }
67/// Smaller of two doubles
68static inline double min(double a, double b) { return (a<b)?a:b; }
69/// Larger of two doubles
70static inline double max(double a, double b) { return (a>b)?a:b; }
71
72/// Absolute value.
73static inline short absval(short n) { return n<0?-n:n; }
74/// Absolute value.
75static inline int absval(int n) { return n<0?-n:n; }
76/// Absolute value.
77static inline float absval(float n) { return n<0.0?-n:n; }
78/// Absolute value.
79static inline double absval(double n) { return n<0.0?-n:n; }
80
81#endif
82//@}