ParagonIE_Sodium_Core32_Int32::addInt32( ParagonIE_Sodium_Core32_Int32 $addend ): ParagonIE_Sodium_Core32_Int32

51    public function addInt32(ParagonIE_Sodium_Core32_Int32 $addend)52    {53        $i0 = $this->limbs[0];54        $i1 = $this->limbs[1];55        $j0 = $addend->limbs[0];56        $j1 = $addend->limbs[1];57 58        $r1 = $i1 + ($j1 & 0xffff);59        $carry = $r1 >> 16;60 61        $r0 = $i0 + ($j0 & 0xffff) + $carry;62        $carry = $r0 >> 16;63 64        $r0 &= 0xffff;65        $r1 &= 0xffff;66 67        $return = new ParagonIE_Sodium_Core32_Int32(68            array($r0, $r1)69        );70        $return->overflow = $carry;71        $return->unsignedInt = $this->unsignedInt;72        return $return;73    }