MpfrFloat::MpfrFloat(long double value) { if(value == 0.0L) { mData = mpfrFloatDataContainer().const_0(); ++(mData->mRefCount); } else { mData = mpfrFloatDataContainer().allocateMpfrFloatData(false); mpfr_set_ld(mData->mFloat, value, GMP_RNDN); } }
int mpfr_cmp_ld (mpfr_srcptr b, long double d) { mpfr_t tmp; int res; mpfr_init2 (tmp, MPFR_LDBL_MANT_DIG); res = mpfr_set_ld (tmp, d, GMP_RNDN); MPFR_ASSERTD (res == 0); res = mpfr_cmp (b, tmp); mpfr_clear (tmp); return res; }
MpfrFloat& MpfrFloat::operator=(long double value) { if(value == 0.0L) { mpfrFloatDataContainer().releaseMpfrFloatData(mData); mData = mpfrFloatDataContainer().const_0(); ++(mData->mRefCount); } else { if(mData->mRefCount > 1) { --(mData->mRefCount); mData = mpfrFloatDataContainer().allocateMpfrFloatData(false); } mpfr_set_ld(mData->mFloat, value, GMP_RNDN); } return *this; }
int main (void) { mpfr_t x; int c; tests_start_mpfr (); mpfr_init2(x, MPFR_LDBL_MANT_DIG); mpfr_set_ld (x, 2.34763465, GMP_RNDN); if (mpfr_cmp_ld(x, 2.34763465)!=0) { printf("Error in mpfr_cmp_ld 2.34763465 and "); mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n'); exit(1); } if (mpfr_cmp_ld(x, 2.345)<=0) { printf("Error in mpfr_cmp_ld 2.345 and "); mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n'); exit(1); } if (mpfr_cmp_ld(x, 2.4)>=0) { printf("Error in mpfr_cmp_ld 2.4 and "); mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n'); exit(1); } mpfr_set_ui (x, 0, GMP_RNDZ); mpfr_neg (x, x, GMP_RNDZ); if (mpfr_cmp_ld (x, 0.0)) { printf("Error in mpfr_cmp_ld 0.0 and "); mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n'); exit(1); } mpfr_set_ui (x, 0, GMP_RNDN); mpfr_ui_div (x, 1, x, GMP_RNDU); if (mpfr_cmp_ld (x, 0.0) == 0) { printf ("Error in mpfr_cmp_ld (Inf, 0)\n"); exit (1); } /* Check NAN */ mpfr_clear_erangeflag (); c = mpfr_cmp_ld (x, DBL_NAN); if (c != 0 || !mpfr_erangeflag_p ()) { printf ("ERROR for NAN (1)\n"); exit (1); } mpfr_set_nan (x); mpfr_clear_erangeflag (); c = mpfr_cmp_ld (x, 2.0); if (c != 0 || !mpfr_erangeflag_p ()) { printf ("ERROR for NAN (2)\n"); exit (1); } mpfr_clear(x); tests_end_mpfr (); return 0; }
int main (void) { mpfr_t x; tests_start_mpfr (); mpfr_init2(x, MPFR_LDBL_MANT_DIG); mpfr_set_ld (x, 2.34763465L, MPFR_RNDN); if (mpfr_cmp_ld(x, 2.34763465L)!=0) { printf("Error in mpfr_cmp_ld 2.34763465 and "); mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n'); exit(1); } if (mpfr_cmp_ld(x, 2.345L)<=0) { printf("Error in mpfr_cmp_ld 2.345 and "); mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n'); exit(1); } if (mpfr_cmp_ld(x, 2.4L)>=0) { printf("Error in mpfr_cmp_ld 2.4 and "); mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n'); exit(1); } mpfr_set_ui (x, 0, MPFR_RNDZ); mpfr_neg (x, x, MPFR_RNDZ); if (mpfr_cmp_ld (x, 0.0)) { printf("Error in mpfr_cmp_ld 0.0 and "); mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n'); exit(1); } mpfr_set_ui (x, 0, MPFR_RNDN); mpfr_ui_div (x, 1, x, MPFR_RNDU); if (mpfr_cmp_ld (x, 0.0) == 0) { printf ("Error in mpfr_cmp_ld (Inf, 0)\n"); exit (1); } #if !defined(MPFR_ERRDIVZERO) /* Check NAN */ { int c; mpfr_clear_erangeflag (); c = mpfr_cmp_ld (x, DBL_NAN); if (c != 0 || !mpfr_erangeflag_p ()) { printf ("ERROR for NAN (1)\n"); #ifdef MPFR_NANISNAN printf ("The reason is that NAN == NAN. Please look at the configure " "output\nand Section \"In case of problem\" of the INSTALL " "file.\n"); #endif exit (1); } mpfr_set_nan (x); mpfr_clear_erangeflag (); c = mpfr_cmp_ld (x, 2.0); if (c != 0 || !mpfr_erangeflag_p ()) { printf ("ERROR for NAN (2)\n"); #ifdef MPFR_NANISNAN printf ("The reason is that NAN == NAN. Please look at the configure " "output\nand Section \"In case of problem\" of the INSTALL " "file.\n"); #endif exit (1); } } #endif /* MPFR_ERRDIVZERO */ mpfr_clear(x); tests_end_mpfr (); return 0; }
void regressMinRelError_fr(int n, int m, mpfr_t **x, mpfr_t *result) { int m0 = n * 3, n0 = m + 2 * n, i, j; mpfr_t **a0, *c0, *result0; int in0[m0]; a0 = malloc(sizeof(mpfr_t *) * m0); for(i=0;i<m0;i++) { a0[i] = calloc(n0+1, sizeof(mpfr_t)); for(j=0;j<n0+1;j++) mpfr_zinit(a0[i][j]); } c0 = calloc(n0+1, sizeof(mpfr_t)); result0 = calloc(n0+1, sizeof(mpfr_t)); for(j=0;j<n0+1;j++) { mpfr_zinit(c0[j]); mpfr_zinit(result0[j]); } for(i=0;i<n;i++) { long double ld = mpfr_get_ld(x[m][i], GMP_RNDN); if (ld < DBL_MIN) ld = 1; #if 1 mpfr_set_ld(c0[m+i +1], 1.0/fabsl(ld), GMP_RNDN); mpfr_set_ld(c0[m+n+i+1], 1.0/fabsl(ld), GMP_RNDN); #else int e; frexpl(ld, &e); ld = 1.0 / ldexpl(1.0, e); mpfr_set_ld(c0[m+i +1], ld, GMP_RNDN); mpfr_set_ld(c0[m+n+i+1], ld, GMP_RNDN); #endif mpfr_set_d(a0[i*3+0][m+i+1], 1, GMP_RNDN); in0[i*3+0] = GEQ; mpfr_set_d(a0[i*3+1][m+n+i+1], 1, GMP_RNDN); in0[i*3+1] = GEQ; for(j=0;j<m;j++) { mpfr_set(a0[i*3+2][j+1], x[j][i], GMP_RNDN); } mpfr_set_d(a0[i*3+2][m+i+1], 1, GMP_RNDN); mpfr_set_d(a0[i*3+2][m+n+i+1], -1, GMP_RNDN); in0[i*3+2] = EQU; mpfr_set(a0[i*3+2][0], x[m][i], GMP_RNDN); mpfr_neg(a0[i*3+2][0], a0[i*3+2][0], GMP_RNDN); } int status = solve_fr(result0, n0, m0, a0, in0, c0); if (status == NOT_FEASIBLE) { printf("not feasible\n"); } else { if (status == MAXIMIZABLE_TO_INFINITY) printf("maximizable to inf\n"); } for(i=0;i<m;i++) { mpfr_set(result[i], result0[i+1], GMP_RNDN); } free(result0); free(c0); }
static void check_set (void) { long int lo; mpz_t mpz; mpq_t mpq; mpf_t mpf; mpfr_t fr; mpc_t x, z; mpfr_prec_t prec; mpz_init (mpz); mpq_init (mpq); mpf_init2 (mpf, 1000); mpfr_init2 (fr, 1000); mpc_init2 (x, 1000); mpc_init2 (z, 1000); mpz_set_ui (mpz, 0x4217); mpq_set_si (mpq, -1, 0x4321); mpf_set_q (mpf, mpq); for (prec = 2; prec <= 1000; prec++) { unsigned long int u = (unsigned long int) prec; mpc_set_prec (z, prec); mpfr_set_prec (fr, prec); lo = -prec; mpfr_set_d (fr, 1.23456789, GMP_RNDN); mpc_set_d (z, 1.23456789, MPC_RNDNN); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp_si (MPC_IM(z), 0) != 0) PRINT_ERROR ("mpc_set_d", prec, z); #if defined _MPC_H_HAVE_COMPLEX mpc_set_dc (z, I*1.23456789+1.23456789, MPC_RNDNN); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0) PRINT_ERROR ("mpc_set_c", prec, z); #endif mpc_set_ui (z, u, MPC_RNDNN); if (mpfr_cmp_ui (MPC_RE(z), u) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0) PRINT_ERROR ("mpc_set_ui", prec, z); mpc_set_d_d (z, 1.23456789, 1.23456789, MPC_RNDNN); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0) PRINT_ERROR ("mpc_set_d_d", prec, z); mpc_set_si (z, lo, MPC_RNDNN); if (mpfr_cmp_si (MPC_RE(z), lo) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0) PRINT_ERROR ("mpc_set_si", prec, z); mpfr_set_ld (fr, 1.23456789L, GMP_RNDN); mpc_set_ld_ld (z, 1.23456789L, 1.23456789L, MPC_RNDNN); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0) PRINT_ERROR ("mpc_set_ld_ld", prec, z); #if defined _MPC_H_HAVE_COMPLEX mpc_set_ldc (z, I*1.23456789L+1.23456789L, MPC_RNDNN); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0) PRINT_ERROR ("mpc_set_lc", prec, z); #endif mpc_set_ui_ui (z, u, u, MPC_RNDNN); if (mpfr_cmp_ui (MPC_RE(z), u) != 0 || mpfr_cmp_ui (MPC_IM(z), u) != 0) PRINT_ERROR ("mpc_set_ui_ui", prec, z); mpc_set_ld (z, 1.23456789L, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_ld", prec, z); mpc_set_prec (x, prec); mpfr_set_ui(fr, 1, GMP_RNDN); mpfr_div_ui(fr, fr, 3, GMP_RNDN); mpfr_set(MPC_RE(x), fr, GMP_RNDN); mpfr_set(MPC_IM(x), fr, GMP_RNDN); mpc_set (z, x, MPC_RNDNN); mpfr_clear_flags (); /* mpc_cmp set erange flag when an operand is a NaN */ if (mpc_cmp (z, x) != 0 || mpfr_erangeflag_p()) { printf ("Error in mpc_set for prec = %lu\n", (unsigned long int) prec); MPC_OUT(z); MPC_OUT(x); exit (1); } mpc_set_si_si (z, lo, lo, MPC_RNDNN); if (mpfr_cmp_si (MPC_RE(z), lo) != 0 || mpfr_cmp_si (MPC_IM(z), lo) != 0) PRINT_ERROR ("mpc_set_si_si", prec, z); mpc_set_fr (z, fr, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_fr", prec, z); mpfr_set_z (fr, mpz, GMP_RNDN); mpc_set_z_z (z, mpz, mpz, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_z_z", prec, z); mpc_set_fr_fr (z, fr, fr, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_fr_fr", prec, z); mpc_set_z (z, mpz, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_z", prec, z); mpfr_set_q (fr, mpq, GMP_RNDN); mpc_set_q_q (z, mpq, mpq, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_q_q", prec, z); mpc_set_ui_fr (z, u, fr, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp_ui (MPC_RE (z), u) != 0 || mpfr_cmp (MPC_IM (z), fr) != 0 || mpfr_erangeflag_p ()) PRINT_ERROR ("mpc_set_ui_fr", prec, z); mpc_set_fr_ui (z, fr, u, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE (z), fr) != 0 || mpfr_cmp_ui (MPC_IM (z), u) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_fr_ui", prec, z); mpc_set_q (z, mpq, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_q", prec, z); mpfr_set_f (fr, mpf, GMP_RNDN); mpc_set_f_f (z, mpf, mpf, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp (MPC_IM(z), fr) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_f_f", prec, z); mpc_set_f (z, mpf, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE(z), fr) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0 || mpfr_erangeflag_p()) PRINT_ERROR ("mpc_set_f", prec, z); mpc_set_f_si (z, mpf, lo, MPC_RNDNN); mpfr_clear_flags (); if (mpfr_cmp (MPC_RE (z), fr) != 0 || mpfr_cmp_si (MPC_IM (z), lo) != 0 || mpfr_erangeflag_p ()) PRINT_ERROR ("mpc_set_f", prec, z); mpc_set_nan (z); if (!mpfr_nan_p (MPC_RE(z)) || !mpfr_nan_p (MPC_IM(z))) PRINT_ERROR ("mpc_set_nan", prec, z); #ifdef _MPC_H_HAVE_INTMAX_T { uintmax_t uim = (uintmax_t) prec; intmax_t im = (intmax_t) prec; mpc_set_uj (z, uim, MPC_RNDNN); if (mpfr_cmp_ui (MPC_RE(z), u) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0) PRINT_ERROR ("mpc_set_uj", prec, z); mpc_set_sj (z, im, MPC_RNDNN); if (mpfr_cmp_ui (MPC_RE(z), u) != 0 || mpfr_cmp_ui (MPC_IM(z), 0) != 0) PRINT_ERROR ("mpc_set_sj (1)", prec, z); mpc_set_uj_uj (z, uim, uim, MPC_RNDNN); if (mpfr_cmp_ui (MPC_RE(z), u) != 0 || mpfr_cmp_ui (MPC_IM(z), u) != 0) PRINT_ERROR ("mpc_set_uj_uj", prec, z); mpc_set_sj_sj (z, im, im, MPC_RNDNN); if (mpfr_cmp_ui (MPC_RE(z), u) != 0 || mpfr_cmp_ui (MPC_IM(z), u) != 0) PRINT_ERROR ("mpc_set_sj_sj (1)", prec, z); im = LONG_MAX; if (sizeof (intmax_t) == 2 * sizeof (unsigned long)) im = 2 * im * im + 4 * im + 1; /* gives 2^(2n-1)-1 from 2^(n-1)-1 */ mpc_set_sj (z, im, MPC_RNDNN); if (mpfr_get_sj (MPC_RE(z), GMP_RNDN) != im || mpfr_cmp_ui (MPC_IM(z), 0) != 0) PRINT_ERROR ("mpc_set_sj (2)", im, z); mpc_set_sj_sj (z, im, im, MPC_RNDNN); if (mpfr_get_sj (MPC_RE(z), GMP_RNDN) != im || mpfr_get_sj (MPC_IM(z), GMP_RNDN) != im) PRINT_ERROR ("mpc_set_sj_sj (2)", im, z); } #endif /* _MPC_H_HAVE_INTMAX_T */ #if defined _MPC_H_HAVE_COMPLEX { double _Complex c = 1.0 - 2.0*I; long double _Complex lc = c; mpc_set_dc (z, c, MPC_RNDNN); if (mpc_get_dc (z, MPC_RNDNN) != c) PRINT_ERROR ("mpc_get_c", prec, z); mpc_set_ldc (z, lc, MPC_RNDNN); if (mpc_get_ldc (z, MPC_RNDNN) != lc) PRINT_ERROR ("mpc_get_lc", prec, z); } #endif } mpz_clear (mpz); mpq_clear (mpq); mpf_clear (mpf); mpfr_clear (fr); mpc_clear (x); mpc_clear (z); }