Hi All,
I am trying to convert an R program to pascal. Having 2 problems:
1. In R, ln(0) is -Inf (negative infinity) and ln(-1) is NaN, while in FPC (2.6.2), ln(0) is NaN, and ln(-1) is -Inf, why? Mathematically, I think R's rationale is better because ln(x) approaches -Inf while X approaches 0.
2. How can I tell the compiler NOT to generate EDivideByZero or any similar stuff, but just return the IEEE Infinity NegInfinity or Nan accordingly? I know that they are defined in the math unit.
Thanks!
Xiangrong