| 1 | /* hp2100_fp1.h: HP 2100/1000 multiple-precision floating point definitions\r |
| 2 | \r |
| 3 | Copyright (c) 2005-2006, J. David Bryan\r |
| 4 | \r |
| 5 | Permission is hereby granted, free of charge, to any person obtaining a\r |
| 6 | copy of this software and associated documentation files (the "Software"),\r |
| 7 | to deal in the Software without restriction, including without limitation\r |
| 8 | the rights to use, copy, modify, merge, publish, distribute, sublicense,\r |
| 9 | and/or sell copies of the Software, and to permit persons to whom the\r |
| 10 | Software is furnished to do so, subject to the following conditions:\r |
| 11 | \r |
| 12 | The above copyright notice and this permission notice shall be included in\r |
| 13 | all copies or substantial portions of the Software.\r |
| 14 | \r |
| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r |
| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r |
| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\r |
| 18 | THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r |
| 19 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r |
| 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r |
| 21 | \r |
| 22 | Except as contained in this notice, the name of the author shall not be used\r |
| 23 | in advertising or otherwise to promote the sale, use or other dealings in\r |
| 24 | this Software without prior written authorization from the author.\r |
| 25 | \r |
| 26 | 16-Oct-06 JDB Generalized FP calling sequences for F-Series\r |
| 27 | 12-Oct-06 JDB Altered x_trun for F-Series FFP compatibility\r |
| 28 | */\r |
| 29 | \r |
| 30 | #ifndef _HP2100_FP1_H_\r |
| 31 | #define _HP2100_FP1_H_ 0\r |
| 32 | \r |
| 33 | \r |
| 34 | /* Special operands. */\r |
| 35 | \r |
| 36 | #define ACCUM NULL /* result not returned */\r |
| 37 | static const OP NOP = { { 0, 0, 0, 0, 0 } }; /* unneeded operand */\r |
| 38 | \r |
| 39 | \r |
| 40 | /* Generalized floating-point handlers. */\r |
| 41 | \r |
| 42 | void fp_prec (uint16 opcode, OPSIZE *operand_l, OPSIZE *operand_r, OPSIZE *result);\r |
| 43 | uint32 fp_exec (uint16 opcode, OP *result, OP operand_l, OP operand_r);\r |
| 44 | OP fp_accum (const OP *operand, OPSIZE precision);\r |
| 45 | uint32 fp_pack (OP *result, OP mantissa, int32 exponent, OPSIZE precision);\r |
| 46 | uint32 fp_nrpack (OP *result, OP mantissa, int32 exponent, OPSIZE precision);\r |
| 47 | uint32 fp_unpack (OP *mantissa, int32 *exponent, OP packed, OPSIZE precision);\r |
| 48 | uint32 fp_ucom (OP *mantissa, OPSIZE precision);\r |
| 49 | uint32 fp_pcom (OP *packed, OPSIZE precision);\r |
| 50 | uint32 fp_trun (OP *result, OP source, OPSIZE precision);\r |
| 51 | uint32 fp_cvt (OP *result, OPSIZE source_precision, OPSIZE dest_precision);\r |
| 52 | \r |
| 53 | #endif\r |