?? gen_gmp_aux.c
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#include <stdio.h>#include <NTL/config.h>#ifndef NTL_GMP_LIPint main(){ fprintf(stderr, "NTL_GMP_LIP flag not set\n"); return 0;}#else#include <gmp.h>#include <NTL/mach_desc.h>void print2k(FILE *f, long k, long bpl){ long m, l; long first; if (k <= 0) { fprintf(f, "((double) 1.0)"); return; } m = bpl - 2; first = 1; fprintf(f, "("); while (k > 0) { if (k > m) l = m; else l = k; k = k - l; if (first) first = 0; else fprintf(f, "*"); fprintf(f, "((double)(1L<<%ld))", l); } fprintf(f, ")");}void Error(const char *s){ fprintf(stderr, "%s\n", s); abort();}int main(){ long bpl; long ntl_zz_nbits, ntl_wsp_nbits, ntl_sp_nbits; fprintf(stderr, "NTL_GMP_LIP flag set\n"); bpl = NTL_BITS_PER_LONG; if (sizeof(mp_limb_t) == sizeof(long)) ntl_zz_nbits = bpl; else if (sizeof(mp_limb_t) == 2*sizeof(long)) ntl_zz_nbits = 2*bpl; else Error("sorry...this is a funny gmp"); if (sizeof(mp_size_t) != sizeof(long) && sizeof(mp_size_t) != sizeof(int)) Error("sorry...this is a funny gmp"); ntl_wsp_nbits = bpl - 2; ntl_sp_nbits = NTL_NBITS_MAX; if (sizeof(mp_size_t) < sizeof(long)) { printf("#define NTL_SMALL_MP_SIZE_T\n"); fprintf(stderr, "setting NTL_SMALL_MP_SIZE_T\n"); } fprintf(stderr, "NTL_ZZ_NBITS = %ld\n", ntl_zz_nbits); fprintf(stderr, "NTL_WSP_NBITS = %ld\n", ntl_wsp_nbits); fprintf(stderr, "NTL_SP_NBITS = %ld\n", ntl_sp_nbits); printf("#define NTL_ZZ_NBITS (%ld)\n", ntl_zz_nbits); printf("#define NTL_ZZ_FRADIX "); print2k(stdout, ntl_zz_nbits, bpl); printf("\n"); return 0;}#endif?? 快捷鍵說明
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