LIBRARY ENVIRONMENTS UTILITIES

The following routines are documented in the Reference Material sections of the IMSL™ MATH LIBRARY and IMSL™ STAT LIBRARY User's Manual.

ROUTINE DESCRIPTION
ERSET Sets error handler default print and stop actions.
IERCD Retrieves the code for an informational error.
N1RTY Retrieves an error type for the most recently called IMSL routine.
IMACH Retrieves integer machine constants.
AMACH Retrieves single precision machine constants.
DMACH Retrieves double precision machine constants.
IFNAN Checks if a floating-point number is NaN (not a number).
UMACH Sets or Retrieves input or output device unit numbers.