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1! RUN: %python %S/test_folding.py %s %flang_fc1 -pedantic2! Test intrinsic function folding edge case (both expected value and messages)3! These tests make assumptions regarding real(4) extrema.4 5#define TEST_ISNAN(v) logical, parameter :: test_##v =.NOT.(v.EQ.v)6 7 8module real_tests9 ! Test real(4) intrinsic folding on edge cases (inf and NaN)10 11 real(4), parameter :: r4_pmax = 3.4028235E3812 real(4), parameter :: r4_nmax = -3.4028235E3813 !WARN: warning: invalid argument on division [-Wfolding-exception]14 real(4), parameter :: r4_nan = 0._4/0._415 !WARN: warning: division by zero [-Wfolding-exception]16 real(4), parameter :: r4_pinf = 1._4/0._417 !WARN: warning: division by zero [-Wfolding-exception]18 real(4), parameter :: r4_ninf = -1._4/0._419 20 !WARN: warning: argument is out of range [-1., 1.]21 real(4), parameter :: nan_r4_acos1 = acos(1.1)22 TEST_ISNAN(nan_r4_acos1)23 !WARN: warning: argument is out of range [-1., 1.]24 real(4), parameter :: nan_r4_acos2 = acos(r4_pmax)25 TEST_ISNAN(nan_r4_acos2)26 !WARN: warning: argument is out of range [-1., 1.]27 real(4), parameter :: nan_r4_acos3 = acos(r4_nmax)28 TEST_ISNAN(nan_r4_acos3)29 !WARN: warning: argument is out of range [-1., 1.]30 real(4), parameter :: nan_r4_acos4 = acos(r4_ninf)31 TEST_ISNAN(nan_r4_acos4)32 !WARN: warning: argument is out of range [-1., 1.]33 real(4), parameter :: nan_r4_acos5 = acos(r4_pinf)34 TEST_ISNAN(nan_r4_acos5)35 !WARN: warning: argument is out of range [-1., 1.]36 real(8), parameter :: nan_r8_dasin1 = dasin(-1.1_8)37 TEST_ISNAN(nan_r8_dasin1)38 !WARN: warning: complex argument must be different from zero39 complex(4), parameter :: c4_clog1 = clog((0., 0.))40 !WARN: warning: MOD: P argument is zero [-Wfolding-avoids-runtime-crash]41 real(4), parameter :: nan_r4_mod = mod(3.5, 0.)42 TEST_ISNAN(nan_r4_mod)43 real(4), parameter :: ok_r4_gamma = gamma(-1.1)44 !WARN: warning: argument must not be a negative integer or zero45 real(4), parameter :: r4_gamma1 = gamma(0.)46 !WARN: warning: argument must not be a negative integer or zero47 real(4), parameter :: r4_gamma2 = gamma(-1.)48 real(4), parameter :: ok_r4_log_gamma = log_gamma(-2.001)49 !WARN: warning: argument must not be a negative integer or zero50 real(4), parameter :: r4_log_gamma1 = log_gamma(0.)51 !WARN: warning: argument must not be a negative integer or zero52 real(4), parameter :: r4_log_gamma2 = log_gamma(-100001.)53 !WARN: warning: 'x' and 'y' arguments must not be both zero54 real(4), parameter :: r4_atan2 = atan2(0., 0.)55 56 !WARN: warning: overflow on evaluation of intrinsic function or operation [-Wfolding-exception]57 logical, parameter :: test_exp_overflow = exp(256._4).EQ.r4_pinf58 contains59 subroutine s1(a,j)60 !WARN: warning: MOD: P argument is zero [-Wfolding-avoids-runtime-crash]61 print *, mod(a, 0.)62 !WARN: warning: MODULO: P argument is zero [-Wfolding-avoids-runtime-crash]63 print *, modulo(a, 0.)64 !WARN: warning: MOD: P argument is zero [-Wfolding-avoids-runtime-crash]65 print *, mod(j, 0.)66 !WARN: warning: MODULO: P argument is zero [-Wfolding-avoids-runtime-crash]67 print *, modulo(j, 0.)68 end69end module70 71module parentheses72 ! Test parentheses in folding (they are kept around constants to keep the73 ! distinction between variable and expressions and require special care).74 real(4), parameter :: x_nop = 0.1_475 real(4), parameter :: x_p = (x_nop)76 logical, parameter :: test_parentheses1 = acos(x_p).EQ.acos(x_nop)77end module78 79module specific_extremums80 ! f18 accepts all type kinds for the arguments of specific extremum intrinsics81 ! instead of of only default kind (or double precision for DMAX1 and DMIN1).82 ! This extensions is implemented by using the related generic intrinsic and83 ! converting the result.84 ! The tests below are cases where an implementation that converts the arguments to the85 ! standard required types instead would give different results than the implementation86 ! specified for f18 (converting the result).87 integer(8), parameter :: max_i32_8 = 2_8**31-188 integer, parameter :: expected_min0 = int(min(max_i32_8, 2_8*max_i32_8), 4)89 !WARN: portability: Argument types do not match specific intrinsic 'min0' requirements; using 'min' generic instead and converting the result to INTEGER(4) if needed [-Wuse-generic-intrinsic-when-specific-doesnt-match]90 integer, parameter :: result_min0 = min0(max_i32_8, 2_8*max_i32_8)91 ! result_min0 would be -2 if arguments were converted to default integer.92 logical, parameter :: test_min0 = expected_min0 .EQ. result_min093 94 real, parameter :: expected_amax0 = real(max(max_i32_8, 2_8*max_i32_8), 4)95 !WARN: portability: Argument types do not match specific intrinsic 'amax0' requirements; using 'max' generic instead and converting the result to REAL(4) if needed [-Wuse-generic-intrinsic-when-specific-doesnt-match]96 real, parameter :: result_amax0 = amax0(max_i32_8, 2_8*max_i32_8)97 ! result_amax0 would be 2.1474836E+09 if arguments were converted to default integer first.98 logical, parameter :: test_amax0 = expected_amax0 .EQ. result_amax099end module100