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Added Factorial, added parts of exponents

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Kim Wittenburg
2014-09-30 22:18:51 +02:00
parent 7d48d85dfb
commit a382b1f10b
8 changed files with 55 additions and 27 deletions
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21
MathPad/MPTerm.m
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@@ -62,27 +62,36 @@
}];
}
- (instancetype)initWithFactorialOfTerm:(MPTerm *)term
{
return [self initWithBlock:^NSDecimalNumber *{
NSDecimalNumber *termValue = [term evaluate];
NSLog(@"Factorial of %@ = %f", termValue, tgamma(termValue.doubleValue + 1));
return [[NSDecimalNumber alloc] initWithDouble:tgamma(termValue.doubleValue + 1)];
}];
}
- (instancetype)initWithSinOfTerm:(MPTerm *)term
{
return [self initWithBlock:^NSDecimalNumber *{
NSDecimalNumber *sinValue = [term evaluate];
return [[NSDecimalNumber alloc] initWithDouble:sin(sinValue.doubleValue)];
NSDecimalNumber *termValue = [term evaluate];
return [[NSDecimalNumber alloc] initWithDouble:sin(termValue.doubleValue)];
}];
}
- (instancetype)initWithCosOfTerm:(MPTerm *)term
{
return [self initWithBlock:^NSDecimalNumber *{
NSDecimalNumber *cosValue = [term evaluate];
return [[NSDecimalNumber alloc] initWithDouble:cos(cosValue.doubleValue)];
NSDecimalNumber *termValue = [term evaluate];
return [[NSDecimalNumber alloc] initWithDouble:cos(termValue.doubleValue)];
}];
}
- (instancetype)initWithTanOfTerm:(MPTerm *)term
{
return [self initWithBlock:^NSDecimalNumber *{
NSDecimalNumber *tanValue = [term evaluate];
return [[NSDecimalNumber alloc] initWithDouble:tan(tanValue.doubleValue)];
NSDecimalNumber *termValue = [term evaluate];
return [[NSDecimalNumber alloc] initWithDouble:tan(termValue.doubleValue)];
}];
}