IntLog2WithError
Description
Compute floor(log2(value)).
Parameters
| Name | Direction | Description |
|---|---|---|
value |
in | Integer to inspect |
error |
out | Optional pointer set to true on failure and false on success |
Returns
Index of the highest set bit, or 0 on failure.
Usage example (Cross-references)
Usage examples (Cross-references)
- In
Int.c:298:
}
u64 IntLog2WithError(Int *value, bool *error) {
u64 out = 0;
bool ok = IntTryLog2(value, &out);- In
Access.h:49:
static inline u64 MISRA_PRIV_IntLog2NoError(Int *value) {
return IntLog2WithError(value, NULL);
}- In
Access.h:53:
#define MISRA_PRIV_INT_LOG2_SELECT(_1, _2, NAME, ...) NAME
#define IntLog2(...) MISRA_PRIV_INT_LOG2_SELECT(__VA_ARGS__, IntLog2WithError, MISRA_PRIV_IntLog2NoError)(__VA_ARGS__)
#endif // MISRA_STD_CONTAINER_INT_ACCESS_H
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