simplify.c (range_check): Remove blank line at beginning of function.
2004-10-03 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de> * simplify.c (range_check): Remove blank line at beginning of function. (gfc_simplify_dint): Same at end of function. (gfc_simplify_exponent, gfc_simplify_fraction): Simplify calculations. (gfc_simplify_bound): Fix indentation. (gfc_simplify_log10): Simplify calculation. (gfc_simplify_min, gfc_simplify_max): Remove blank line at beginning of function. (gfc_simplify_nearest): Same at end of function. (gfc_simplify_nint, gfc_simplify_idnint): Same at beginning of function. (gfc_simplify_rrspacing, gfc_simplify_set_exponent, gfc_simplify_spacing): Simplify calulations. From-SVN: r88447
This commit is contained in:
Tobias Schlüter
Paul Brook
parent
046dcd5764
commit
03ddaf352f
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@ -1,3 +1,18 @@
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2004-10-03 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
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* simplify.c (range_check): Remove blank line at beginning of function.
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(gfc_simplify_dint): Same at end of function.
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(gfc_simplify_exponent, gfc_simplify_fraction): Simplify calculations.
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(gfc_simplify_bound): Fix indentation.
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(gfc_simplify_log10): Simplify calculation.
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(gfc_simplify_min, gfc_simplify_max): Remove blank line at beginning
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of function.
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(gfc_simplify_nearest): Same at end of function.
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(gfc_simplify_nint, gfc_simplify_idnint): Same at beginning of
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function.
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(gfc_simplify_rrspacing, gfc_simplify_set_exponent,
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gfc_simplify_spacing): Simplify calulations.
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2004-10-03 Feng Wang <fengwang@nudt.edu.cn>
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* trans-intrinsic.c: Fix comments on spacing and rrspacing
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@ -98,7 +98,6 @@ static int xascii_table[256];
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static gfc_expr *
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range_check (gfc_expr * result, const char *name)
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{
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if (gfc_range_check (result) == ARITH_OK)
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return result;
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@ -386,7 +385,6 @@ gfc_simplify_dint (gfc_expr * e)
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gfc_free_expr (rtrunc);
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return range_check (result, "DINT");
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}
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@ -951,7 +949,7 @@ gfc_simplify_exp (gfc_expr * x)
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gfc_expr *
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gfc_simplify_exponent (gfc_expr * x)
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{
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mpfr_t i2, absv, ln2, lnx, zero;
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mpfr_t tmp;
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gfc_expr *result;
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if (x->expr_type != EXPR_CONSTANT)
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@ -961,38 +959,21 @@ gfc_simplify_exponent (gfc_expr * x)
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&x->where);
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gfc_set_model (x->value.real);
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mpfr_init (zero);
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mpfr_set_ui (zero, 0, GFC_RND_MODE);
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if (mpfr_cmp (x->value.real, zero) == 0)
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if (mpfr_sgn (x->value.real) == 0)
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{
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mpz_set_ui (result->value.integer, 0);
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mpfr_clear (zero);
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return result;
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}
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mpfr_init (i2);
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mpfr_init (absv);
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mpfr_init (ln2);
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mpfr_init (lnx);
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mpfr_init (tmp);
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mpfr_set_ui (i2, 2, GFC_RND_MODE);
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mpfr_abs (tmp, x->value.real, GFC_RND_MODE);
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mpfr_log2 (tmp, tmp, GFC_RND_MODE);
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mpfr_log (ln2, i2, GFC_RND_MODE);
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mpfr_abs (absv, x->value.real, GFC_RND_MODE);
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mpfr_log (lnx, absv, GFC_RND_MODE);
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gfc_mpfr_to_mpz (result->value.integer, tmp);
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mpfr_div (lnx, lnx, ln2, GFC_RND_MODE);
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mpfr_trunc (lnx, lnx);
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mpfr_add_ui (lnx, lnx, 1, GFC_RND_MODE);
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gfc_mpfr_to_mpz (result->value.integer, lnx);
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mpfr_clear (i2);
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mpfr_clear (ln2);
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mpfr_clear (lnx);
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mpfr_clear (absv);
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mpfr_clear (zero);
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mpfr_clear (tmp);
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return range_check (result, "EXPONENT");
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}
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@ -1043,8 +1024,7 @@ gfc_expr *
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gfc_simplify_fraction (gfc_expr * x)
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{
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gfc_expr *result;
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mpfr_t i2, absv, ln2, lnx, pow2, zero;
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unsigned long exp2;
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mpfr_t absv, exp, pow2;
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if (x->expr_type != EXPR_CONSTANT)
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return NULL;
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@ -1052,43 +1032,30 @@ gfc_simplify_fraction (gfc_expr * x)
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result = gfc_constant_result (BT_REAL, x->ts.kind, &x->where);
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gfc_set_model_kind (x->ts.kind);
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mpfr_init (zero);
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mpfr_set_ui (zero, 0, GFC_RND_MODE);
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if (mpfr_cmp (x->value.real, zero) == 0)
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if (mpfr_sgn (x->value.real) == 0)
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{
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mpfr_set (result->value.real, zero, GFC_RND_MODE);
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mpfr_clear (zero);
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mpfr_set_ui (result->value.real, 0, GFC_RND_MODE);
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return result;
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}
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mpfr_init (i2);
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mpfr_init (exp);
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mpfr_init (absv);
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mpfr_init (ln2);
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mpfr_init (lnx);
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mpfr_init (pow2);
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mpfr_set_ui (i2, 2, GFC_RND_MODE);
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mpfr_log (ln2, i2, GFC_RND_MODE);
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mpfr_abs (absv, x->value.real, GFC_RND_MODE);
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mpfr_log (lnx, absv, GFC_RND_MODE);
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mpfr_log2 (exp, absv, GFC_RND_MODE);
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mpfr_div (lnx, lnx, ln2, GFC_RND_MODE);
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mpfr_trunc (lnx, lnx);
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mpfr_add_ui (lnx, lnx, 1, GFC_RND_MODE);
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mpfr_trunc (exp, exp);
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mpfr_add_ui (exp, exp, 1, GFC_RND_MODE);
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exp2 = (unsigned long) mpfr_get_d (lnx, GFC_RND_MODE);
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mpfr_pow_ui (pow2, i2, exp2, GFC_RND_MODE);
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mpfr_ui_pow (pow2, 2, exp, GFC_RND_MODE);
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mpfr_div (result->value.real, absv, pow2, GFC_RND_MODE);
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mpfr_clear (i2);
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mpfr_clear (ln2);
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mpfr_clear (exp);
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mpfr_clear (absv);
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mpfr_clear (lnx);
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mpfr_clear (pow2);
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mpfr_clear (zero);
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return range_check (result, "FRACTION");
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}
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@ -1765,7 +1732,7 @@ gfc_simplify_bound (gfc_expr * array, gfc_expr * dim, int upper)
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int i;
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if (array->expr_type != EXPR_VARIABLE)
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return NULL;
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return NULL;
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if (dim == NULL)
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return NULL;
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@ -1896,7 +1863,7 @@ gfc_expr *
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gfc_simplify_log (gfc_expr * x)
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{
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gfc_expr *result;
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mpfr_t xr, xi, zero;
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mpfr_t xr, xi;
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if (x->expr_type != EXPR_CONSTANT)
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return NULL;
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@ -1904,34 +1871,29 @@ gfc_simplify_log (gfc_expr * x)
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result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
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gfc_set_model_kind (x->ts.kind);
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mpfr_init (zero);
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mpfr_set_ui (zero, 0, GFC_RND_MODE);
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switch (x->ts.type)
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{
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case BT_REAL:
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if (mpfr_cmp (x->value.real, zero) <= 0)
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if (mpfr_sgn (x->value.real) <= 0)
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{
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gfc_error
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("Argument of LOG at %L cannot be less than or equal to zero",
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&x->where);
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gfc_free_expr (result);
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mpfr_clear (zero);
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return &gfc_bad_expr;
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}
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mpfr_log(result->value.real, x->value.real, GFC_RND_MODE);
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mpfr_clear (zero);
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break;
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case BT_COMPLEX:
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if ((mpfr_cmp (x->value.complex.r, zero) == 0)
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&& (mpfr_cmp (x->value.complex.i, zero) == 0))
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if ((mpfr_sgn (x->value.complex.r) == 0)
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&& (mpfr_sgn (x->value.complex.i) == 0))
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{
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gfc_error ("Complex argument of LOG at %L cannot be zero",
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&x->where);
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gfc_free_expr (result);
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mpfr_clear (zero);
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return &gfc_bad_expr;
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}
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@ -1949,7 +1911,6 @@ gfc_simplify_log (gfc_expr * x)
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mpfr_clear (xr);
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mpfr_clear (xi);
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mpfr_clear (zero);
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break;
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@ -1965,28 +1926,23 @@ gfc_expr *
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gfc_simplify_log10 (gfc_expr * x)
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{
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gfc_expr *result;
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mpfr_t zero;
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if (x->expr_type != EXPR_CONSTANT)
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return NULL;
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gfc_set_model_kind (x->ts.kind);
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mpfr_init (zero);
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mpfr_set_ui (zero, 0, GFC_RND_MODE);
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if (mpfr_cmp (x->value.real, zero) <= 0)
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if (mpfr_sgn (x->value.real) <= 0)
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{
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gfc_error
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("Argument of LOG10 at %L cannot be less than or equal to zero",
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&x->where);
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mpfr_clear (zero);
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return &gfc_bad_expr;
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}
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result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
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mpfr_log10 (result->value.real, x->value.real, GFC_RND_MODE);
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mpfr_clear (zero);
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return range_check (result, "LOG10");
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}
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@ -2096,7 +2052,6 @@ simplify_min_max (gfc_expr * expr, int sign)
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gfc_expr *
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gfc_simplify_min (gfc_expr * e)
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{
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return simplify_min_max (e, -1);
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}
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@ -2104,7 +2059,6 @@ gfc_simplify_min (gfc_expr * e)
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gfc_expr *
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gfc_simplify_max (gfc_expr * e)
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{
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return simplify_min_max (e, 1);
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}
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@ -2331,7 +2285,6 @@ gfc_simplify_nearest (gfc_expr * x, gfc_expr * s)
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}
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return range_check (result, "NEAREST");
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}
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@ -2386,7 +2339,6 @@ simplify_nint (const char *name, gfc_expr * e, gfc_expr * k)
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gfc_expr *
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gfc_simplify_nint (gfc_expr * e, gfc_expr * k)
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{
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return simplify_nint ("NINT", e, k);
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}
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@ -2394,7 +2346,6 @@ gfc_simplify_nint (gfc_expr * e, gfc_expr * k)
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gfc_expr *
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gfc_simplify_idnint (gfc_expr * e)
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{
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return simplify_nint ("IDNINT", e, NULL);
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}
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@ -2840,8 +2791,7 @@ gfc_expr *
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gfc_simplify_rrspacing (gfc_expr * x)
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{
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gfc_expr *result;
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mpfr_t i2, absv, ln2, lnx, frac, pow2, zero;
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unsigned long exp2;
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mpfr_t absv, log2, exp, frac, pow2;
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int i, p;
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if (x->expr_type != EXPR_CONSTANT)
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@ -2854,47 +2804,33 @@ gfc_simplify_rrspacing (gfc_expr * x)
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p = gfc_real_kinds[i].digits;
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gfc_set_model_kind (x->ts.kind);
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mpfr_init (zero);
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mpfr_set_ui (zero, 0, GFC_RND_MODE);
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if (mpfr_cmp (x->value.real, zero) == 0)
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if (mpfr_sgn (x->value.real) == 0)
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{
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mpfr_ui_div (result->value.real, 1, gfc_real_kinds[i].tiny, GFC_RND_MODE);
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mpfr_clear (zero);
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return result;
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}
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mpfr_init (i2);
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mpfr_init (ln2);
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mpfr_init (log2);
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mpfr_init (absv);
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mpfr_init (lnx);
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mpfr_init (frac);
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mpfr_init (pow2);
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mpfr_set_ui (i2, 2, GFC_RND_MODE);
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mpfr_log (ln2, i2, GFC_RND_MODE);
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mpfr_abs (absv, x->value.real, GFC_RND_MODE);
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mpfr_log (lnx, absv, GFC_RND_MODE);
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mpfr_log2 (log2, absv, GFC_RND_MODE);
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mpfr_div (lnx, lnx, ln2, GFC_RND_MODE);
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mpfr_trunc (lnx, lnx);
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mpfr_add_ui (lnx, lnx, 1, GFC_RND_MODE);
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mpfr_trunc (log2, log2);
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mpfr_add_ui (exp, log2, 1, GFC_RND_MODE);
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exp2 = (unsigned long) mpfr_get_d (lnx, GFC_RND_MODE);
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mpfr_pow_ui (pow2, i2, exp2, GFC_RND_MODE);
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mpfr_ui_pow (pow2, 2, exp, GFC_RND_MODE);
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mpfr_div (frac, absv, pow2, GFC_RND_MODE);
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exp2 = (unsigned long) p;
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mpfr_mul_2exp (result->value.real, frac, exp2, GFC_RND_MODE);
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mpfr_mul_2exp (result->value.real, frac, (unsigned long)p, GFC_RND_MODE);
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mpfr_clear (i2);
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mpfr_clear (ln2);
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mpfr_clear (log2);
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mpfr_clear (absv);
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mpfr_clear (lnx);
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mpfr_clear (frac);
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mpfr_clear (pow2);
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mpfr_clear (zero);
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return range_check (result, "RRSPACING");
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}
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@ -3103,7 +3039,7 @@ gfc_expr *
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gfc_simplify_set_exponent (gfc_expr * x, gfc_expr * i)
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{
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gfc_expr *result;
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mpfr_t i2, ln2, absv, lnx, pow2, frac, zero;
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mpfr_t exp, absv, log2, pow2, frac;
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unsigned long exp2;
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if (x->expr_type != EXPR_CONSTANT || i->expr_type != EXPR_CONSTANT)
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@ -3112,36 +3048,27 @@ gfc_simplify_set_exponent (gfc_expr * x, gfc_expr * i)
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result = gfc_constant_result (BT_REAL, x->ts.kind, &x->where);
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gfc_set_model_kind (x->ts.kind);
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mpfr_init (zero);
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mpfr_set_ui (zero, 0, GFC_RND_MODE);
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if (mpfr_cmp (x->value.real, zero) == 0)
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if (mpfr_sgn (x->value.real) == 0)
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{
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mpfr_set (result->value.real, zero, GFC_RND_MODE);
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mpfr_clear (zero);
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mpfr_set_ui (result->value.real, 0, GFC_RND_MODE);
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return result;
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}
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mpfr_init (i2);
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mpfr_init (ln2);
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mpfr_init (absv);
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mpfr_init (lnx);
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mpfr_init (log2);
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mpfr_init (exp);
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mpfr_init (pow2);
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mpfr_init (frac);
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mpfr_set_ui (i2, 2, GFC_RND_MODE);
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mpfr_log (ln2, i2, GFC_RND_MODE);
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mpfr_abs (absv, x->value.real, GFC_RND_MODE);
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mpfr_log (lnx, absv, GFC_RND_MODE);
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mpfr_log2 (log2, absv, GFC_RND_MODE);
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mpfr_div (lnx, lnx, ln2, GFC_RND_MODE);
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mpfr_trunc (lnx, lnx);
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mpfr_add_ui (lnx, lnx, 1, GFC_RND_MODE);
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mpfr_trunc (log2, log2);
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mpfr_add_ui (exp, log2, 1, GFC_RND_MODE);
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/* Old exponent value, and fraction. */
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exp2 = (unsigned long) mpfr_get_d (lnx, GFC_RND_MODE);
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mpfr_pow_ui (pow2, i2, exp2, GFC_RND_MODE);
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mpfr_ui_pow (pow2, 2, exp, GFC_RND_MODE);
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mpfr_div (frac, absv, pow2, GFC_RND_MODE);
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@ -3149,13 +3076,10 @@ gfc_simplify_set_exponent (gfc_expr * x, gfc_expr * i)
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exp2 = (unsigned long) mpz_get_d (i->value.integer);
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mpfr_mul_2exp (result->value.real, frac, exp2, GFC_RND_MODE);
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mpfr_clear (i2);
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mpfr_clear (ln2);
|
||||
mpfr_clear (absv);
|
||||
mpfr_clear (lnx);
|
||||
mpfr_clear (log2);
|
||||
mpfr_clear (pow2);
|
||||
mpfr_clear (frac);
|
||||
mpfr_clear (zero);
|
||||
|
||||
return range_check (result, "SET_EXPONENT");
|
||||
}
|
||||
|
|
@ -3359,9 +3283,8 @@ gfc_expr *
|
|||
gfc_simplify_spacing (gfc_expr * x)
|
||||
{
|
||||
gfc_expr *result;
|
||||
mpfr_t i1, i2, ln2, absv, lnx, zero;
|
||||
mpfr_t absv, log2;
|
||||
long diff;
|
||||
unsigned long exp2;
|
||||
int i, p;
|
||||
|
||||
if (x->expr_type != EXPR_CONSTANT)
|
||||
|
|
@ -3374,52 +3297,32 @@ gfc_simplify_spacing (gfc_expr * x)
|
|||
result = gfc_constant_result (BT_REAL, x->ts.kind, &x->where);
|
||||
|
||||
gfc_set_model_kind (x->ts.kind);
|
||||
mpfr_init (zero);
|
||||
mpfr_set_ui (zero, 0, GFC_RND_MODE);
|
||||
|
||||
if (mpfr_cmp (x->value.real, zero) == 0)
|
||||
if (mpfr_sgn (x->value.real) == 0)
|
||||
{
|
||||
mpfr_set (result->value.real, gfc_real_kinds[i].tiny, GFC_RND_MODE);
|
||||
mpfr_clear (zero);
|
||||
return result;
|
||||
}
|
||||
|
||||
mpfr_init (i1);
|
||||
mpfr_init (i2);
|
||||
mpfr_init (ln2);
|
||||
mpfr_init (log2);
|
||||
mpfr_init (absv);
|
||||
mpfr_init (lnx);
|
||||
|
||||
mpfr_set_ui (i1, 1, GFC_RND_MODE);
|
||||
mpfr_set_ui (i2, 2, GFC_RND_MODE);
|
||||
|
||||
mpfr_log (ln2, i2, GFC_RND_MODE);
|
||||
mpfr_abs (absv, x->value.real, GFC_RND_MODE);
|
||||
mpfr_log (lnx, absv, GFC_RND_MODE);
|
||||
mpfr_log2 (log2, absv, GFC_RND_MODE);
|
||||
mpfr_trunc (log2, log2);
|
||||
|
||||
mpfr_div (lnx, lnx, ln2, GFC_RND_MODE);
|
||||
mpfr_trunc (lnx, lnx);
|
||||
mpfr_add_ui (lnx, lnx, 1, GFC_RND_MODE);
|
||||
mpfr_add_ui (log2, log2, 1, GFC_RND_MODE);
|
||||
|
||||
diff = (long) mpfr_get_d (lnx, GFC_RND_MODE) - (long) p;
|
||||
if (diff >= 0)
|
||||
{
|
||||
exp2 = (unsigned) diff;
|
||||
mpfr_mul_2exp (result->value.real, i1, exp2, GFC_RND_MODE);
|
||||
}
|
||||
else
|
||||
{
|
||||
diff = -diff;
|
||||
exp2 = (unsigned) diff;
|
||||
mpfr_div_2exp (result->value.real, i1, exp2, GFC_RND_MODE);
|
||||
}
|
||||
/* FIXME: We should be using mpfr_get_si here, but this function is
|
||||
not available with the version of mpfr distributed with gmp (as of
|
||||
2004-09-17). Replace once mpfr has been imported into the gcc cvs
|
||||
tree. */
|
||||
diff = (long)mpfr_get_d (log2, GFC_RND_MODE) - (long)p;
|
||||
mpfr_set_ui (result->value.real, 1, GFC_RND_MODE);
|
||||
mpfr_mul_2si (result->value.real, result->value.real, diff, GFC_RND_MODE);
|
||||
|
||||
mpfr_clear (i1);
|
||||
mpfr_clear (i2);
|
||||
mpfr_clear (ln2);
|
||||
mpfr_clear (log2);
|
||||
mpfr_clear (absv);
|
||||
mpfr_clear (lnx);
|
||||
mpfr_clear (zero);
|
||||
|
||||
if (mpfr_cmp (result->value.real, gfc_real_kinds[i].tiny) < 0)
|
||||
mpfr_set (result->value.real, gfc_real_kinds[i].tiny, GFC_RND_MODE);
|
||||
|
|
|
|||
Loading…
Reference in New Issue