Numerical Intrinsic Functions

We will give the generic names for the functions, and mention the specific names if appropriate. Only most important such functions are given here.

• ABS; absolute value. I,R,D,C argument, and same type return value. For example,
  
  
  
  Specific names are IABS, ABS, DABS, CABS.
• AINT(x): truncates to a whole R (D) number. ANINT(x): nearest whole R (D) number. They are similar to INT and NINT, except that the returned result is R or D, depending on the argument type.
  
  
  
  Specific names for D: DINT, DNINT.
• MAX(x,y,z,...), MIN(x,y,z,...): maximum or minimum from a list of arguments. Any number of arguments is allowed, but all of them need to be of the same type (I, R or D). Some specific names are MAX0 (I arguments, I result), AMAX1 (R arguments, R result), DMAX1 (D arguments, D result).
• MOD(i,j) is the remainder of the division i/j. MODULO(i,j) is . For example,
  
  
  
  Specific names are AMOD, DMOD.
• SIGN(x,y) returns (transfers the signum of second argument to the first). Specific names: ISIGN, DSIGN.
• FRACTION(x), EXPONENT(x): the mantissa and the exponent in the binary representation of a R or D argument x. For example,
  
  
  

• CONJG(z), complex conjugate of a complex number.