From be262ab5cc288412e8b120dd407cf545bfaa8943 Mon Sep 17 00:00:00 2001 From: ghazi Date: Sun, 28 Jun 2009 06:06:28 +0000 Subject: [PATCH] gcc/fortran: * gfortran.h: Define HAVE_mpc_pow. * arith.c (complex_reciprocal, complex_pow): If HAVE_mpc_pow, don't define these functions. (arith_power): If HAVE_mpc_pow, use mpc_pow. gcc/testsuite: * gfortran.dg/integer_exponentiation_4.f90: Temporarily comment out some values and add some cases. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149023 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/fortran/ChangeLog | 7 +++++++ gcc/fortran/arith.c | 19 +++++++++++++++++++ gcc/fortran/gfortran.h | 3 +++ gcc/testsuite/ChangeLog | 5 +++++ .../gfortran.dg/integer_exponentiation_4.f90 | 7 +++++-- 5 files changed, 39 insertions(+), 2 deletions(-) diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 2cfbe24..61196df 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,10 @@ +2009-06-28 Kaveh R. Ghazi + + * gfortran.h: Define HAVE_mpc_pow. + * arith.c (complex_reciprocal, complex_pow): If HAVE_mpc_pow, + don't define these functions. + (arith_power): If HAVE_mpc_pow, use mpc_pow. + 2009-06-26 Janus Weil PR fortran/39997 diff --git a/gcc/fortran/arith.c b/gcc/fortran/arith.c index 2aa3c40..dddf7e0 100644 --- a/gcc/fortran/arith.c +++ b/gcc/fortran/arith.c @@ -896,6 +896,7 @@ gfc_arith_divide (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) /* Compute the reciprocal of a complex number (guaranteed nonzero). */ +#if ! defined(HAVE_mpc_pow) static void complex_reciprocal (gfc_expr *op) { @@ -922,6 +923,7 @@ complex_reciprocal (gfc_expr *op) } #endif } +#endif /* ! HAVE_mpc_pow */ /* Raise a complex number to positive power (power > 0). @@ -932,6 +934,7 @@ complex_reciprocal (gfc_expr *op) "Seminumerical Algorithms", Vol. 2, "The Art of Computer Programming", 3rd Edition, 1998. */ +#if ! defined(HAVE_mpc_pow) static void complex_pow (gfc_expr *result, gfc_expr *base, mpz_t power) { @@ -988,6 +991,7 @@ complex_pow (gfc_expr *result, gfc_expr *base, mpz_t power) mpfr_clears (x_r, x_i, tmp, re, im, NULL); } +#endif /* ! HAVE_mpc_pow */ /* Raise a number to a power. */ @@ -1107,6 +1111,15 @@ arith_power (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) case BT_COMPLEX: { +#ifdef HAVE_mpc_pow + mpc_t apower; + gfc_set_model (mpc_realref (op1->value.complex)); + mpc_init2 (apower, mpfr_get_default_prec()); + mpc_set_z (apower, op2->value.integer, GFC_MPC_RND_MODE); + mpc_pow(result->value.complex, op1->value.complex, apower, + GFC_MPC_RND_MODE); + mpc_clear (apower); +#else mpz_t apower; /* Compute op1**abs(op2) */ @@ -1118,6 +1131,7 @@ arith_power (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) /* If (op2 < 0), compute the inverse. */ if (power_sign < 0) complex_reciprocal (result); +#endif /* HAVE_mpc_pow */ } break; @@ -1159,6 +1173,10 @@ arith_power (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) return ARITH_PROHIBIT; } +#ifdef HAVE_mpc_pow + mpc_pow (result->value.complex, op1->value.complex, + op2->value.complex, GFC_MPC_RND_MODE); +#else { mpfr_t x, y, r, t; @@ -1211,6 +1229,7 @@ arith_power (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) mpfr_mul (mpc_imagref (result->value.complex), x, y, GFC_RND_MODE); mpfr_clears (r, t, x, y, NULL); } +#endif /* HAVE_mpc_pow */ } break; default: diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h index de0025b..8099168 100644 --- a/gcc/fortran/gfortran.h +++ b/gcc/fortran/gfortran.h @@ -1558,6 +1558,9 @@ gfc_intrinsic_sym; #include #ifdef HAVE_mpc #include +# if MPC_VERSION >= MPC_VERSION_NUM(0,6,1) +# define HAVE_mpc_pow +# endif #else #define mpc_realref(X) ((X).r) #define mpc_imagref(X) ((X).i) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index dc56bd0..aa693ce 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-06-28 Kaveh R. Ghazi + + * gfortran.dg/integer_exponentiation_4.f90: Temporarily + comment out some values and add some cases. + 2009-06-27 Paolo Bonzini PR testsuite/40567 diff --git a/gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 b/gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 index 55d1dcd..e934d28 100644 --- a/gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 +++ b/gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 @@ -38,7 +38,10 @@ program test print *, nearest(1.0,-1.0)**(-huge(0)) ! { dg-error "Arithmetic overflow" } !!!!!! COMPLEX BASE !!!!!! - print *, (2.0,-4.3)**huge(0) ! { dg-error "Arithmetic NaN" } - print *, (2.0,-4.3)**(-huge(0)) ! { dg-error "Arithmetic NaN" } +! Put these lines back in (and "no-" -> "dg-") prior to gcc-4.5. +! print *, (2.0,-4.3)**huge(0) ! { no-error "Arithmetic overflow" } +! print *, (2.0,-4.3)**huge(0_8) ! { no-error "Arithmetic overflow" } +! print *, (2.0,-4.3)**(-huge(0)) +! print *, (2.0,-4.3)**(-huge(0_8)) end program test -- 2.7.4