diff options
Diffstat (limited to 'Help/guide/tutorial/MultiPackage/MathFunctions/mysqrt.cxx')
| -rw-r--r-- | Help/guide/tutorial/MultiPackage/MathFunctions/mysqrt.cxx | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/Help/guide/tutorial/MultiPackage/MathFunctions/mysqrt.cxx b/Help/guide/tutorial/MultiPackage/MathFunctions/mysqrt.cxx index 386e146..4c212b3 100644 --- a/Help/guide/tutorial/MultiPackage/MathFunctions/mysqrt.cxx +++ b/Help/guide/tutorial/MultiPackage/MathFunctions/mysqrt.cxx @@ -4,8 +4,6 @@ // include the generated table #include "Table.h" -#include <cmath> - namespace mathfunctions { namespace detail { // a hack square root calculation using simple operations @@ -15,12 +13,6 @@ double mysqrt(double x) return 0; } - // if we have both log and exp then use them -#if defined(HAVE_LOG) && defined(HAVE_EXP) - double result = exp(log(x) * 0.5); - std::cout << "Computing sqrt of " << x << " to be " << result - << " using log and exp" << std::endl; -#else // use the table to help find an initial value double result = x; if (x >= 1 && x < 10) { @@ -38,7 +30,7 @@ double mysqrt(double x) result = result + 0.5 * delta / result; std::cout << "Computing sqrt of " << x << " to be " << result << std::endl; } -#endif + return result; } } |