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author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-04-15 00:52:08 +0900 |
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committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-09-07 20:08:01 +0900 |
commit | d6ec0ef59b4c7c95beaad09f77cb5f86a0901b97 (patch) | |
tree | 66d692d6abe2f2bb3c7c620544ba266b578d7909 /ext/-test-/random | |
parent | c449b9b02f63cf8268a0eb9639a43caf4598996d (diff) | |
download | ruby-d6ec0ef59b4c7c95beaad09f77cb5f86a0901b97.tar.gz |
Added `get_real` interface
Diffstat (limited to 'ext/-test-/random')
-rw-r--r-- | ext/-test-/random/loop.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ext/-test-/random/loop.c b/ext/-test-/random/loop.c index 92af1a9b18..246a1f5fd9 100644 --- a/ext/-test-/random/loop.c +++ b/ext/-test-/random/loop.c @@ -7,10 +7,13 @@ typedef struct { uint32_t num, idx, *buf; } rand_loop_t; +static double loop_get_real(rb_random_t *rnd, int excl); + RB_RANDOM_INTERFACE_DECLARE(loop) static const rb_random_interface_t random_loop_if = { 32, RB_RANDOM_INTERFACE_DEFINE(loop) + loop_get_real, }; static size_t @@ -91,6 +94,13 @@ loop_get_int32(rb_random_t *rnd) return 0; } +static double +loop_get_real(rb_random_t *rnd, int excl) +{ + uint32_t a = loop_get_int32(rnd); + return ldexp(a, -16); +} + void Init_random_loop(VALUE mod, VALUE base) { |