public BigFloat getBigFloat(float f) {
		BigFloat bf = FloatFormat.toBigFloat(f);
		return new BigFloat(effective_frac_size, exp_size, bf.kind, bf.sign,
			bf.unscaled.shiftLeft(effective_frac_size - bf.fracbits), bf.scale);
	}
Get the minimum finite subnormal {@link BigFloat} value for this format

@return minimum finite subnormal {@link BigFloat} value
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcode/floatformat/FloatFormat.java