The original Fortran 2018 FPM bindings are compiled against pinned Debian libmodbus 3.1.11-2. The consumer checks positive, negative and zero single-precision values through the ABCD, BADC, CDAB and DCBA register conversion APIs and prints register words in hexadecimal. These are offline operations, with no socket, serial port or Modbus device. N2 covers bit/byte representation; the catalog does not claim verified device communication. The author test/test_modbus.f90 documents context use but is not used as a device test. ISC notices are retained.
Package dependencies
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Build record verified 2026-10-30.
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Reviewed procedures
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The original Fortran 2018 FPM bindings are compiled against pinned Debian libmodbus 3.1.11-2. The consumer checks positive, negative and zero single-precision values through the ABCD, BADC, CDAB and DCBA register conversion APIs and prints register words in hexadecimal. These are offline operations, with no socket, serial port or Modbus device. N2 covers bit/byte representation; the catalog does not claim verified device communication. The author test/test_modbus.f90 documents context use but is not used as a device test. ISC notices are retained. Dedicated N2 driver: 264 finite binary32 patterns and four byte/word permutations. Setter words independently compared with bit-assembled register values; getters supplied independent words and compared bitwise. Includes signed zero, subnormal and extreme finite values. NaNs, infinities, device/network I/O unverified.