Cody

# Problem 47. Extract leading non-zero digit

Solution 29998

Submitted on 5 Feb 2012 by Jada
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### Test Suite

Test Status Code Input and Output
1   Pass
%% x = [100 23 -34 0.005 -0.466664 -0.555 1 134534]; y_correct = [1 2 3 5 4 5 1 1]; assert(isequal(leadingDigit(x),y_correct))

temp = 1.0e+08 * 0.0000 0 0.0000 0.0003 0.0000 0.0004 0.0000 0 0.0000 0.0000 0.0000 0.0000 0.0000 0 0.0000 3.4530

2   Pass
%% x = [57 -0.2 8913 -63 0.838127]; y_correct = [5 2 8 6 8]; assert(isequal(leadingDigit(x),y_correct))

temp = 1.0e+06 * 0.0000 0.0700 0.0000 0 0.0000 9.1300 0.0000 0.0300 0.0000 0.0004

3   Pass
%% x = [-0.4336 0.3426 3.5784 2.7694 -1.3499]; y_correct = [4 3 3 2 1]; assert(isequal(leadingDigit(x),y_correct))

temp = 4 336 3 426 3 5784 2 7694 1 3499

4   Pass
%% x = [0.3000 -0.1 -0.00000002 0.5 0.002]; y_correct = [3 1 2 5 2]; assert(isequal(leadingDigit(x),y_correct))

temp = 3 0 1 0 2 0 5 0 2 0