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sqrt + log10 + ln

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serso 2011-10-28 01:29:48 +04:00
parent cb5b4665cf
commit e5f6822240
6 changed files with 21 additions and 52 deletions
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5
src/main/java/org/solovyev/android/calculator/math/Functions.java
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@ -33,18 +33,17 @@ public class Functions {
public final static String ATANH = "atanh";
public final static String LN = "ln";
public final static String LN_JSCL = "log";
public final static String LOG = "log";
public final static String MOD = "mod";
public final static String EXP = "exp";
public final static String SQRT = "√";
public final static String SQRT_JSCL = "sqrt";
public static final List<String> allPrefix;
static {
final List<String> functions = new ArrayList<String>(Arrays.asList(SIN, SINH, ASIN, ASINH, COS, COSH, ACOS, ACOSH, TAN, TANH, ATAN, ATANH, LN, LN_JSCL, MOD, SQRT, SQRT_JSCL, EXP));
final List<String> functions = new ArrayList<String>(Arrays.asList(SIN, SINH, ASIN, ASINH, COS, COSH, ACOS, ACOSH, TAN, TANH, ATAN, ATANH, LN, LOG, MOD, SQRT, EXP));
Collections.sort(functions, new MathEntityComparator());
allPrefix = functions;
}

34
src/main/java/org/solovyev/android/calculator/math/MathType.java
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@ -129,37 +129,7 @@ public enum MathType {
}
},
function(1000, true, true, Functions.allPrefix) {
@Override
protected String getSubstituteToJscl(@NotNull String match) {
final String result;
if (match.equals(Functions.LN)) {
result = Functions.LN_JSCL;
} else if (match.equals(Functions.SQRT)) {
result = Functions.SQRT_JSCL;
} else {
result = null;
}
return result;
}
@Override
protected String getSubstituteFromJscl(@NotNull String match) {
final String result;
if (match.equals(Functions.LN_JSCL)) {
result = Functions.LN;
} else if (match.equals(Functions.SQRT_JSCL)) {
result = Functions.SQRT;
} else {
result = null;
}
return result;
}
},
function(1000, true, true, Functions.allPrefix),
constant(1100, true, true) {
@NotNull
@ -317,7 +287,7 @@ public enum MathType {
public final static String POWER_10_JSCL = "10^";
public static final String IMAGINARY_NUMBER = "i";
public static final String IMAGINARY_NUMBER_JSCL = "sqrt(-1)";
public static final String IMAGINARY_NUMBER_JSCL = "√(-1)";
public static final String PI = "π";
public static final String E = "e";

2
src/main/java/org/solovyev/android/calculator/model/CalculatorEngine.java
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@ -79,7 +79,7 @@ public enum CalculatorEngine {
private ThreadKiller threadKiller = new AndroidThreadKiller();
// calculation thread timeout in milliseconds, after timeout thread would be interrupted
private int timeout = 2000;
private int timeout = 3000;
@NotNull
public String format(@NotNull Double value) {

10
src/test/java/org/solovyev/android/calculator/model/CalculatorEngineTest.java
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@ -67,12 +67,12 @@ public class CalculatorEngineTest {
Assert.assertEquals("-0.757", cm.evaluate(JsclOperation.numeric, "sin(4)").getResult());
Assert.assertEquals("0.524", cm.evaluate(JsclOperation.numeric, "asin(0.5)").getResult());
Assert.assertEquals("-0.396", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)").getResult());
Assert.assertEquals("-0.56", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)sqrt(2)").getResult());
Assert.assertEquals("-0.56", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)√(2)").getResult());
Assert.assertEquals("-0.56", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)√(2)").getResult());
Assert.assertEquals("7.389", cm.evaluate(JsclOperation.numeric, "e^2").getResult());
Assert.assertEquals("7.389", cm.evaluate(JsclOperation.numeric, "exp(1)^2").getResult());
Assert.assertEquals("7.389", cm.evaluate(JsclOperation.numeric, "exp(2)").getResult());
Assert.assertEquals("2+i", cm.evaluate(JsclOperation.numeric, "2*1+sqrt(-1)").getResult());
Assert.assertEquals("2+i", cm.evaluate(JsclOperation.numeric, "2*1+√(-1)").getResult());
Assert.assertEquals("0.921+3.142i", cm.evaluate(JsclOperation.numeric, "ln(5cosh(38π√(2cos(2))))").getResult());
Assert.assertEquals("7.389i", cm.evaluate(JsclOperation.numeric, "iexp(2)").getResult());
Assert.assertEquals("2+7.389i", cm.evaluate(JsclOperation.numeric, "2+iexp(2)").getResult());
@ -118,12 +118,12 @@ public class CalculatorEngineTest {
}
}
try {
/* try {
cm.setTimeout(5000);
Assert.assertEquals("2", cm.evaluate(JsclOperation.numeric, "2!").getResult());
} finally {
cm.setTimeout(2000);
}
cm.setTimeout(3000);
}*/
}

4
src/test/java/org/solovyev/android/calculator/model/FromJsclSimplifyTextProcessorTest.java
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@ -58,8 +58,8 @@ public class FromJsclSimplifyTextProcessorTest {
Assert.assertEquals("(te+2k)e[k+2te]", tp.process("(t*e+2*k)*e*[k+2*t*e]"));
Assert.assertEquals("tln(3)", tp.process("t*log(3)"));
Assert.assertEquals("t√(3)", tp.process("t*sqrt(3)"));
Assert.assertEquals("tlog(3)", tp.process("t*log(3)"));
Assert.assertEquals("t√(3)", tp.process("t*√(3)"));
}
}

18
src/test/java/org/solovyev/android/calculator/model/ToJsclTextProcessorTest.java
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@ -42,16 +42,16 @@ public class ToJsclTextProcessorTest {
Assert.assertEquals( "(0)*(1*10^-1)", preprocessor.process("[0][1E-1]").toString());
Assert.assertEquals( "(0)*(1.*10^-1)", preprocessor.process("[0][1.E-1]").toString());
Assert.assertEquals( "(0)*(2*10^-1)", preprocessor.process("[0][2*E-1]").toString());
Assert.assertEquals( "(0)*log(1)*(2*10^-1)", preprocessor.process("[0]ln(1)[2*E-1]").toString());
Assert.assertEquals( "sin(4)*asin(0.5)*sqrt(2)", preprocessor.process("sin(4)asin(0.5)sqrt(2)").toString());
Assert.assertEquals( "(0)*ln(1)*(2*10^-1)", preprocessor.process("[0]ln(1)[2*E-1]").toString());
Assert.assertEquals( "sin(4)*asin(0.5)*√(2)", preprocessor.process("sin(4)asin(0.5)√(2)").toString());
Assert.assertEquals( "sin(4)*cos(5)", preprocessor.process("sin(4)cos(5)").toString());
Assert.assertEquals( "3.141592653589793*sin(4)*3.141592653589793*cos(sqrt(5))", preprocessor.process("πsin(4)πcos(√(5))").toString());
Assert.assertEquals( "3.141592653589793*sin(4)+3.141592653589793*cos(sqrt(5))", preprocessor.process("πsin(4)+πcos(√(5))").toString());
Assert.assertEquals( "3.141592653589793*sin(4)+3.141592653589793*cos(sqrt(5+sqrt(-1)))", preprocessor.process("πsin(4)+πcos(√(5+i))").toString());
Assert.assertEquals( "3.141592653589793*sin(4.01)+3.141592653589793*cos(sqrt(5+sqrt(-1)))", preprocessor.process("πsin(4.01)+πcos(√(5+i))").toString());
Assert.assertEquals( "2.718281828459045^3.141592653589793*sin(4.01)+3.141592653589793*cos(sqrt(5+sqrt(-1)))", preprocessor.process("e^πsin(4.01)+πcos(√(5+i))").toString());
Assert.assertEquals( "2.718281828459045^3.141592653589793*sin(4.01)+3.141592653589793*cos(sqrt(5+sqrt(-1)))*10^2", preprocessor.process("e^πsin(4.01)+πcos(√(5+i))E2").toString());
Assert.assertEquals( "2.718281828459045^3.141592653589793*sin(4.01)+3.141592653589793*cos(sqrt(5+sqrt(-1)))*10^-2", preprocessor.process("e^πsin(4.01)+πcos(√(5+i))E-2").toString());
Assert.assertEquals( "3.141592653589793*sin(4)*3.141592653589793*cos(√(5))", preprocessor.process("πsin(4)πcos(√(5))").toString());
Assert.assertEquals( "3.141592653589793*sin(4)+3.141592653589793*cos(√(5))", preprocessor.process("πsin(4)+πcos(√(5))").toString());
Assert.assertEquals( "3.141592653589793*sin(4)+3.141592653589793*cos(√(5+√(-1)))", preprocessor.process("πsin(4)+πcos(√(5+i))").toString());
Assert.assertEquals( "3.141592653589793*sin(4.01)+3.141592653589793*cos(√(5+√(-1)))", preprocessor.process("πsin(4.01)+πcos(√(5+i))").toString());
Assert.assertEquals( "2.718281828459045^3.141592653589793*sin(4.01)+3.141592653589793*cos(√(5+√(-1)))", preprocessor.process("e^πsin(4.01)+πcos(√(5+i))").toString());
Assert.assertEquals( "2.718281828459045^3.141592653589793*sin(4.01)+3.141592653589793*cos(√(5+√(-1)))*10^2", preprocessor.process("e^πsin(4.01)+πcos(√(5+i))E2").toString());
Assert.assertEquals( "2.718281828459045^3.141592653589793*sin(4.01)+3.141592653589793*cos(√(5+√(-1)))*10^-2", preprocessor.process("e^πsin(4.01)+πcos(√(5+i))E-2").toString());
Assert.assertEquals( "10^2", preprocessor.process("E2").toString());
Assert.assertEquals( "10^-2", preprocessor.process("E-2").toString());
Assert.assertEquals( "10^-1/2", preprocessor.process("E-1/2").toString());