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logb
The function logb extracts the exponent of a double value
Compatibility:
This function is compatible with the following targets:
Prototype:
#include <math.h>
double logb ( double x );
Parameters:
Parameters for this function are:
Return:
The exponent of x as a signed integral value in the format of the x argument.
Remarks:
If x is subnormal it is treated as though it were normalized. A range error may occur if x is equal to zero.
See Also:
"Inlined Intrinsics Option"
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Last updated: August 16, 2000