boost/math
2
0
Fork 0
mirror of https://github.com/boostorg/math.git synced 2026-01-19 04:22:09 +00:00
Code Issues Projects Releases Wiki Activity

Avoid using max_digits10 in test to allow as old versions as possible to run

Browse Source
This commit is contained in:
pabristow
2018-10-08 15:05:55 +01:00
parent cd155591dd
commit a855f99989
1 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
example/lambert_w_basic_example.cpp
View File

@@ -11,10 +11,14 @@
int main()
{
double z = 2.0;
double w = boost::math::lambert_w0(z);
double z = 2.0;
double w0 = boost::math::lambert_w0(z);
std::cout.setf(std::ios_base::showpoint); // Include any trailing zeros.
std::cout.precision(std::numeric_limits<double>::max_digits10); // Show all possibly significant digits.
std::cout << " lambert_w0(" << z << ") = " << w << std::endl;
// std::cout.precision(std::numeric_limits<double>::max_digits10); // Show all possibly significant digits.
// Avoid using max_digfigs10 so as many old compilers can run the most basic lambert_w0 test.
std::cout << " lambert_w0(" << z << ") = " << w0 << std::endl; // lambert_w0(2.00000) = 0.852606
z = -0.2;
double wm1 = boost::math::lambert_wm1(z);
std::cout << " lambert_wm1(" << z << ") = " << wm1 << std::endl; // lambert_wm1(-0.200000) = -2.54264
return 0;
} // int main()