d6.01.01 Machine environment descriptor: ENVIMA

Summary:

In this document, the functions for retrieving integer values or real characteristics depending on the platform used are presented. Some mathematical constants and some parameters related to memory and file usage have been added.

Table of Contents

• 1. Overview and rationale
  • 1.1. Arithmetic parameters
  • 1.2. Special values
  • 1.3. Parameter related to the use of central memory
  • 1.4. File usage settings
  • 1.5. Mathematical constants
• 2. The functions provided and their use
  • 2.1. Generality
  • 2.2. Logical type
  • 2.3. Integer type
  • 2.4. Real type
  • 2.5. File usage settings
  • 2.6. Assigning binary constants
  • 2.7. Assignment of mathematical or physical constants
  • 2.8. Special values
  • 2.9. Utility
  • 2.10. Precautions for use
• 3. Bibliography
• 4. Appendix: Portability and Efficiency
• 5. Appendix: Impvem Sub-Program Outcome