method
sub
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Class: BigDecimal
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sub(p1, p2)
public
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static VALUE BigDecimal_sub2(VALUE self, VALUE b, VALUE n) { ENTER(2); Real *cv; U_LONG mx = (U_LONG)GetPositiveInt(n); if(mx==0) return BigDecimal_sub(self,b); else { U_LONG pl = VpSetPrecLimit(0); VALUE c = BigDecimal_sub(self,b); VpSetPrecLimit(pl); GUARD_OBJ(cv,GetVpValue(c,1)); VpLeftRound(cv,VpGetRoundMode(),mx); return ToValue(cv); } }