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FP_ILOGBNAN

std math

Special return values of ilogb.

  1. alias FP_ILOGB0 = core.stdc.math.FP_ILOGB0
  2. alias FP_ILOGBNAN = core.stdc.math.FP_ILOGBNAN
    alias FP_ILOGBNAN = core.stdc.math.FP_ILOGBNAN

Examples

assert(ilogb(0) == FP_ILOGB0);
assert(ilogb(0.0) == FP_ILOGB0);
assert(ilogb(double.nan) == FP_ILOGBNAN);

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