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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 |