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Refactor prng* from cpp macros into inline functions.

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Remove 32-bit variant, convert prng64() to prng_lg_range(), and add
prng_range().
This commit is contained in:
Jason Evans
2016-02-09 16:28:40 -08:00
committed by Jason Evans
parent c87ab25d18
commit 34676d3369
12 changed files with 205 additions and 69 deletions
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69
test/unit/util.c
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@@ -1,33 +1,54 @@
#include "test/jemalloc_test.h"
TEST_BEGIN(test_pow2_ceil)
#define TEST_POW2_CEIL(t, suf, pri) do { \
unsigned i, pow2; \
t x; \
\
assert_zu_eq(pow2_ceil_##suf(0), 0, "Unexpected result"); \
\
for (i = 0; i < sizeof(t) * 8; i++) { \
assert_zu_eq(pow2_ceil_##suf(((t)1) << i), ((t)1) << i, \
"Unexpected result"); \
} \
\
for (i = 2; i < sizeof(t) * 8; i++) { \
assert_zu_eq(pow2_ceil_##suf((((t)1) << i) - 1), \
((t)1) << i, "Unexpected result"); \
} \
\
for (i = 0; i < sizeof(t) * 8 - 1; i++) { \
assert_zu_eq(pow2_ceil_##suf((((t)1) << i) + 1), \
((t)1) << (i+1), "Unexpected result"); \
} \
\
for (pow2 = 1; pow2 < 25; pow2++) { \
for (x = (((t)1) << (pow2-1)) + 1; x <= ((t)1) << pow2; \
x++) { \
assert_zu_eq(pow2_ceil_##suf(x), \
((t)1) << pow2, \
"Unexpected result, x=%"pri, x); \
} \
} \
} while (0)
TEST_BEGIN(test_pow2_ceil_u64)
{
unsigned i, pow2;
size_t x;
assert_zu_eq(pow2_ceil(0), 0, "Unexpected result");
TEST_POW2_CEIL(uint64_t, u64, FMTu64);
}
TEST_END
for (i = 0; i < sizeof(size_t) * 8; i++) {
assert_zu_eq(pow2_ceil(ZU(1) << i), ZU(1) << i,
"Unexpected result");
}
TEST_BEGIN(test_pow2_ceil_u32)
{
for (i = 2; i < sizeof(size_t) * 8; i++) {
assert_zu_eq(pow2_ceil((ZU(1) << i) - 1), ZU(1) << i,
"Unexpected result");
}
TEST_POW2_CEIL(uint32_t, u32, FMTu32);
}
TEST_END
for (i = 0; i < sizeof(size_t) * 8 - 1; i++) {
assert_zu_eq(pow2_ceil((ZU(1) << i) + 1), ZU(1) << (i+1),
"Unexpected result");
}
TEST_BEGIN(test_pow2_ceil_zu)
{
for (pow2 = 1; pow2 < 25; pow2++) {
for (x = (ZU(1) << (pow2-1)) + 1; x <= ZU(1) << pow2; x++) {
assert_zu_eq(pow2_ceil(x), ZU(1) << pow2,
"Unexpected result, x=%zu", x);
}
}
TEST_POW2_CEIL(size_t, zu, "zu");
}
TEST_END
@@ -286,7 +307,9 @@ main(void)
{
return (test(
test_pow2_ceil,
test_pow2_ceil_u64,
test_pow2_ceil_u32,
test_pow2_ceil_zu,
test_malloc_strtoumax_no_endptr,
test_malloc_strtoumax,
test_malloc_snprintf_truncated,