Mathematical Functions

The following mathematical functions are available:

• abs()
• acos()
• asin()
• atan()
• ceil()
• cos()
• exp()
• floor()
• frac()
• log()
• log10()
• max()
• min()
• pow()
• round()
• sin()
• sqrt()
• trunc()
• tan()

If the arguments of a mathematical function call lead to an error, the error message will show the actual values of the arguments. Thus the statements

real x = -1.0;
real r = sqrt(2 * x);

Invalid argument in call to 'sqrt(-2)'