diff options
Diffstat (limited to 'Help/guide/tutorial/Step11/MathFunctions/mysqrt.cxx')
| -rw-r--r-- | Help/guide/tutorial/Step11/MathFunctions/mysqrt.cxx | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Help/guide/tutorial/Step11/MathFunctions/mysqrt.cxx b/Help/guide/tutorial/Step11/MathFunctions/mysqrt.cxx index 96d9421..436f96d 100644 --- a/Help/guide/tutorial/Step11/MathFunctions/mysqrt.cxx +++ b/Help/guide/tutorial/Step11/MathFunctions/mysqrt.cxx @@ -18,8 +18,8 @@ double mysqrt(double x) // 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" - << std::endl; + 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; @@ -38,7 +38,7 @@ double mysqrt(double x) result = result + 0.5 * delta / result; std::cout << "Computing sqrt of " << x << " to be " << result << std::endl; } -#endif + return result; } } |