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| author | Jörg Frings-Fürst <debian@jff.email> | 2026-03-08 17:28:50 +0100 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff.email> | 2026-03-08 17:28:50 +0100 |
| commit | ff33e1d252f46bec1a33e28700da3282fc24047a (patch) | |
| tree | 5c15bc695be820b393a8496c5807ecafbbdeb89b /tests/test-frexp.h | |
| parent | b2ac982cc8b5290699eb5f52fb043d3d15e2624b (diff) | |
| parent | 5f59a34ab747dde8ede7357f3431bf06bd6002fe (diff) | |
Update upstream source from tag 'upstream/1.4.2'
Update to upstream version '1.4.2'
with Debian dir 493e96bcd865e4f9990e20bee26408c96231d727
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 ed687387..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) 2012-2025 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 */ { |
