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Fix -Wimplicit-int-float-conversions.

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Bug: chromium:989932
Change-Id: I1e8a8ff96aac1aa722b72153cea842c352a63cb9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/223883
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#34368}
This commit is contained in:
Peter Kasting 2021-06-25 12:14:35 -07:00 committed by WebRTC LUCI CQ
parent 64851c0bfb
commit 482b7c05c8
1 changed files with 6 additions and 4 deletions
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10
rtc_base/random.cc
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@ -49,14 +49,14 @@ int32_t Random::Rand(int32_t low, int32_t high) {
template <>
float Random::Rand<float>() {
double result = NextOutput() - 1;
result = result / 0xFFFFFFFFFFFFFFFEull;
result = result / static_cast<double>(0xFFFFFFFFFFFFFFFFull);
return static_cast<float>(result);
}
template <>
double Random::Rand<double>() {
double result = NextOutput() - 1;
result = result / 0xFFFFFFFFFFFFFFFEull;
result = result / static_cast<double>(0xFFFFFFFFFFFFFFFFull);
return result;
}
@ -72,8 +72,10 @@ double Random::Gaussian(double mean, double standard_deviation) {
// in the range [1, 2^64-1]. Normally this behavior is a bit frustrating,
// but here it is exactly what we need.
const double kPi = 3.14159265358979323846;
double u1 = static_cast<double>(NextOutput()) / 0xFFFFFFFFFFFFFFFFull;
double u2 = static_cast<double>(NextOutput()) / 0xFFFFFFFFFFFFFFFFull;
double u1 = static_cast<double>(NextOutput()) /
static_cast<double>(0xFFFFFFFFFFFFFFFFull);
double u2 = static_cast<double>(NextOutput()) /
static_cast<double>(0xFFFFFFFFFFFFFFFFull);
return mean + standard_deviation * sqrt(-2 * log(u1)) * cos(2 * kPi * u2);
}