| /* |
| * bnsize00.h - pick the correct machine word size to use. |
| * |
| * Copyright (c) 1995 Colin Plumb. All rights reserved. |
| * For licensing and other legal details, see the file legal.c. |
| */ |
| #include "lbn.h" /* Get basic information */ |
| |
| #if !BNSIZE64 && !BNSIZE32 && !BNSIZE16 && defined(BNWORD64) |
| # if defined(BNWORD128) || (defined(lbnMulAdd1_64) && defined(lbnMulSub1_64)) |
| # define BNSIZE64 1 |
| # elif defined(mul64_ppmm) || defined(mul64_ppmma) || defined(mul64_ppmmaa) |
| # define BNSIZE64 1 |
| # endif |
| #endif |
| |
| #if !BNSIZE64 && !BNSIZE32 && !BNSIZE16 && defined(BNWORD32) |
| # if defined(BNWORD64) || (defined(lbnMulAdd1_32) && defined(lbnMulSub1_32)) |
| # define BNSIZE32 1 |
| # elif defined(mul32_ppmm) || defined(mul32_ppmma) || defined(mul32_ppmmaa) |
| # define BNSIZE32 1 |
| # endif |
| #endif |
| |
| #if !BNSIZE64 && !BNSIZE32 && !BNSIZE16 && defined(BNWORD16) |
| # if defined(BNWORD32) || (defined(lbnMulAdd1_16) && defined(lbnMulSub1_16)) |
| # define BNSIZE16 1 |
| # elif defined(mul16_ppmm) || defined(mul16_ppmma) || defined(mul16_ppmmaa) |
| # define BNSIZE16 1 |
| # endif |
| #endif |
| |
| #if !BNSIZE64 && !BNSIZE32 && !BNSIZE16 |
| #error Unable to find a viable word size to compile bignum library. |
| #endif |