Cody

# Problem 1833. Usage of java.math : Add, Multiply, Pow

Solution 2911807

Submitted on 4 Sep 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
x=2; y=64; % power zstr=java_math(x,y,3); assert(strcmp(zstr,'18446744073709551616'),sprintf('zstr=%s\n',zstr))

No method 'pow' with matching signature found for class 'java.math.BigDecimal'. Error in java_math (line 10) zBD=xBD.pow(java.math.BigDecimal(y)); Error in Test1 (line 4) zstr=java_math(x,y,3);

2   Pass

3   Pass
x=2^53; % largest eps==1 double y=2^11; %Multiply zstr=java_math(x,y,2); assert(strcmp(zstr,'18446744073709551616'),sprintf('zstr=%s\n',zstr))

4   Pass
x=2^53; % largest valid double y=2^12; % Multiply zstr=java_math(x,y,2); assert(strcmp(zstr,'36893488147419103232'),sprintf('zstr=%s\n',zstr))

5   Pass
x=randi(10); y=randi(100); zstr=java_math(x,y,1); assert(strcmp(zstr,num2str(x+y)),sprintf('x=%2i y=%3i x+y=%5i zstr=%s\n',x,y,x+y,zstr))

6   Pass
x=randi(10); y=randi(100); zstr=java_math(x,y,2); assert(strcmp(zstr,num2str(x*y)),sprintf('x=%2i y=%3i x*y=%5i zstr=%s\n',x,y,x*y,zstr))

7   Fail
x=randi(20); y=randi(5); zstr=java_math(x,y,3); assert(strcmp(zstr,num2str(x^y)),sprintf('x=%2i y=%3i x^y=%8i zstr=%s\n',x,y,x^y,zstr))

No method 'pow' with matching signature found for class 'java.math.BigDecimal'. Error in java_math (line 10) zBD=xBD.pow(java.math.BigDecimal(y)); Error in Test7 (line 3) zstr=java_math(x,y,3);

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