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Test optimization: Number_test::pow10

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This commit is contained in:
Ed Hennis
2026-05-27 00:36:38 -04:00
parent 5abecb9fcb
commit ae9c72bb7c
1 changed files with 16 additions and 10 deletions
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26
src/test/basics/Number_test.cpp
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@@ -48,17 +48,23 @@ class Number_test : public beast::unit_test::Suite
static T
pow10(int n)
{
if (n == 0)
return 1;
if (n == 1)
return 10;
if (n > 1)
{
auto r = pow10<T>(n / 2);
r *= r;
if (n % 2 != 0)
r *= 10;
return r;
}
// n < 0
T p = 1;
if (n >= 0)
{
for (int i = 0; i < n; ++i)
p *= 10;
}
else
{
for (int i = 0; i < -n; ++i)
p /= 10;
}
p /= pow10<T>(-n);
return p;
}