Scott Lahteine
9 years ago
committed by
Richard Wackerbarth
20 changed files with 44 additions and 8 deletions
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#ifndef MACROS_H |
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#define MACROS_H |
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// Macros for bit masks
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#define BIT(b) (1<<(b)) |
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#define TEST(n,b) (((n)&BIT(b))!=0) |
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#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (BIT(b)) |
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// Macros for maths shortcuts
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#define RADIANS(d) ((d)*M_PI/180.0) |
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#define DEGREES(r) ((r)*180.0/M_PI) |
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// Macros to contrain values
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#define NOLESS(v,n) do{ if (v < n) v = n; }while(0) |
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#define NOMORE(v,n) do{ if (v > n) v = n; }while(0) |
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// Macros to support option testing
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#define _CAT(a, ...) a ## __VA_ARGS__ |
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#define SWITCH_ENABLED_0 0 |
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#define SWITCH_ENABLED_1 1 |
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#define SWITCH_ENABLED_ 1 |
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#define ENABLED(b) _CAT(SWITCH_ENABLED_, b) |
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#define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b)) |
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#endif //__MACROS_H
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