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authorNobuyoshi Nakada <nobu@ruby-lang.org>2020-04-15 00:52:08 +0900
committerNobuyoshi Nakada <nobu@ruby-lang.org>2020-09-07 20:08:01 +0900
commitd6ec0ef59b4c7c95beaad09f77cb5f86a0901b97 (patch)
tree66d692d6abe2f2bb3c7c620544ba266b578d7909 /ext/-test-
parentc449b9b02f63cf8268a0eb9639a43caf4598996d (diff)
Added `get_real` interface
Notes
Notes: Merged: https://github.com/ruby/ruby/pull/3024
Diffstat (limited to 'ext/-test-')
-rw-r--r--ext/-test-/random/loop.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/ext/-test-/random/loop.c b/ext/-test-/random/loop.c
index 92af1a9b18d..246a1f5fd92 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)
{