Why do I see incorrect results from the Square Root function in the Floating Point Custom Instruction 2 IP? - Why do I see incorrect results from the Square Root function in the Floating Point Custom Instruction 2 IP? Description Due to a problem in the Floating Point Custom Instruction 2 IP in the Intel® Quartus® II software versions 13.1 and later, incorrect results might be seen for Square Root operations (instruction 251, fsqrts) when the expected result is close to 1.0. Resolution A patch is available to fix this problem for the Intel® Quartus® II software version 15.0. Download and install Patch 0.12 from the following links: Intel Quartus II software version 15.0 Patch 0.12 for Windows (.exe) Intel Quartus II software 15.0 Patch 0.12 for Linux (.run) Readme for the Intel Quartus II software version 15.0 Patch 0.12 (.txt) This problem is scheduled to be fixed in a future release of the Intel Quartus II software. Custom Fields values: ['novalue'] Troubleshooting - False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 13.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']