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| author | Jörg Frings-Fürst <debian@jff.email> | 2026-03-10 13:24:07 +0100 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff.email> | 2026-03-10 13:24:07 +0100 |
| commit | cfd1f17f1a85d95ea12bca8dae42add7dad1ad11 (patch) | |
| tree | 8016486f8ee7157213f2d09ff2491bfa9c94638a /tests/test-frexp.h | |
| parent | 14e4d584d0121031ec40e6c35869745f1747ff29 (diff) | |
| parent | 1403307d6e2fb4e7b5d97a35f40d1e95134561ab (diff) | |
Merge branch 'release/debian/1.4.2-1'HEADdebian/1.4.2-1master
Diffstat (limited to 'tests/test-frexp.h')
| -rw-r--r-- | tests/test-frexp.h | 185 |
1 files changed, 94 insertions, 91 deletions
diff --git a/tests/test-frexp.h b/tests/test-frexp.h index 439c44ef..7cf24d88 100644 --- a/tests/test-frexp.h +++ b/tests/test-frexp.h @@ -1,5 +1,5 @@ /* Test of splitting a double into fraction and mantissa. - Copyright (C) 2012-2024 Free Software Foundation, Inc. + Copyright (C) 2012-2026 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -27,7 +27,6 @@ my_ldexp (DOUBLE x, int d) static void test_function (void) { - int i; VOLATILE DOUBLE x; { /* NaN. */ @@ -74,100 +73,104 @@ test_function (void) ASSERT (signbit (mantissa)); } - for (i = 1, x = L_(1.0); i <= MAX_EXP; i++, x *= L_(2.0)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == L_(0.5)); - } - for (i = 1, x = L_(1.0); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == L_(0.5)); - } - for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == L_(0.5)); - } + { + int i; - for (i = 1, x = - L_(1.0); i <= MAX_EXP; i++, x *= L_(2.0)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == - L_(0.5)); - } - for (i = 1, x = - L_(1.0); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == - L_(0.5)); - } - for (; i >= MIN_EXP - 100 && x < L_(0.0); i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == - L_(0.5)); - } + for (i = 1, x = L_(1.0); i <= MAX_EXP; i++, x *= L_(2.0)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == L_(0.5)); + } + for (i = 1, x = L_(1.0); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == L_(0.5)); + } + for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == L_(0.5)); + } - for (i = 1, x = L_(1.01); i <= MAX_EXP; i++, x *= L_(2.0)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == L_(0.505)); - } - for (i = 1, x = L_(1.01); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == L_(0.505)); - } - for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa >= L_(0.5)); - ASSERT (mantissa < L_(1.0)); - ASSERT (mantissa == my_ldexp (x, - exp)); - } + for (i = 1, x = - L_(1.0); i <= MAX_EXP; i++, x *= L_(2.0)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == - L_(0.5)); + } + for (i = 1, x = - L_(1.0); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == - L_(0.5)); + } + for (; i >= MIN_EXP - 100 && x < L_(0.0); i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == - L_(0.5)); + } - for (i = 1, x = L_(1.73205); i <= MAX_EXP; i++, x *= L_(2.0)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == L_(0.866025)); - } - for (i = 1, x = L_(1.73205); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i); - ASSERT (mantissa == L_(0.866025)); - } - for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) - { - int exp = -9999; - DOUBLE mantissa = FREXP (x, &exp); - ASSERT (exp == i || exp == i + 1); - ASSERT (mantissa >= L_(0.5)); - ASSERT (mantissa < L_(1.0)); - ASSERT (mantissa == my_ldexp (x, - exp)); - } + for (i = 1, x = L_(1.01); i <= MAX_EXP; i++, x *= L_(2.0)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == L_(0.505)); + } + for (i = 1, x = L_(1.01); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == L_(0.505)); + } + for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa >= L_(0.5)); + ASSERT (mantissa < L_(1.0)); + ASSERT (mantissa == my_ldexp (x, - exp)); + } + + for (i = 1, x = L_(1.73205); i <= MAX_EXP; i++, x *= L_(2.0)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == L_(0.866025)); + } + for (i = 1, x = L_(1.73205); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i); + ASSERT (mantissa == L_(0.866025)); + } + for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) + { + int exp = -9999; + DOUBLE mantissa = FREXP (x, &exp); + ASSERT (exp == i || exp == i + 1); + ASSERT (mantissa >= L_(0.5)); + ASSERT (mantissa < L_(1.0)); + ASSERT (mantissa == my_ldexp (x, - exp)); + } + } /* Randomized tests. */ - for (i = 0; i < SIZEOF (RANDOM); i++) + for (int i = 0; i < SIZEOF (RANDOM); i++) { x = L_(20.0) * RANDOM[i] - L_(10.0); /* -10.0 <= x <= 10.0 */ { |
