compiler

Unnamed Compiled Systems Language Project
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risc5emu-fp.h (1190B)


      1 // Copyright © 2014 Peter De Wachter
      2 //
      3 // Permission to use, copy, modify, and/or distribute this software for
      4 // any purpose with or without fee is hereby granted, provided that the
      5 // above copyright notice and this permission notice appear in all
      6 // copies.
      7 //
      8 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
      9 // WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
     10 // WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
     11 // AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
     12 // DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
     13 // PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
     14 // TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
     15 // PERFORMANCE OF THIS SOFTWARE.
     16 
     17 // based on src/risc-fp.h from git@github.com:pdewacht/oberon-risc-emu.git
     18 
     19 #ifndef RISC_FP_H
     20 #define RISC_FP_H
     21 
     22 #include <stdint.h>
     23 #include <stdbool.h>
     24 
     25 uint32_t fp_add(uint32_t x, uint32_t y, bool u, bool v);
     26 uint32_t fp_mul(uint32_t x, uint32_t y);
     27 uint32_t fp_div(uint32_t x, uint32_t y);
     28 
     29 struct idiv { uint32_t quot, rem; };
     30 struct idiv idiv(uint32_t x, uint32_t y, bool signed_div);
     31 
     32 #endif  // RISC_FP_H