HP-UX Floating-Point Guide

Tables

Table 1-1. HP-UX Math Libraries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Table 1-2. Code-Generation Compiler Options at HP-UX

Release 11.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Table 1-3. Math Library Path Names. . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Table 2-1. IEEE Representations of Floating-Point Values . . . . . . . . . .40

Table 2-2. Minimum and Maximum Positive Denormalized Values. . . .43

Table 2-3. Arithmetic Properties of Inﬁnity. . . . . . . . . . . . . . . . . . . . . . .44

Table 2-4. Properties of NaNs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Table 2-5. Operations With Zero. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Table 2-6. IEEE Single-Precision Value Summary (Hexadecimal

Values). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Table 2-7. IEEE Single-Precision Value Summary (Decimal Values). . .50

Table 2-8. IEEE Double-Precision Value Summary (Hexadecimal

Values). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Table 2-9. IEEE Double-Precision Value Summary (Decimal Values) . .52

Table 2-10. Approximate Maximum Representable Floating-Point

Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Table 2-11. Overﬂow Results Based on Rounding Mode. . . . . . . . . . . . .57

Table 2-12. HP-UX Support for IEEE Recommended Functions . . . . . .67

Table 3-1. Effects of Floating-Point Exceptions and Library Errors. . . .75

Table 4-1. fpclassify Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116

Table 5-1. IEEE Exception Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

Table 5-2. Rounding Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

Table 5-3. +FP Option Arguments . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149

Table 7-1. Typical Instruction Cache Aliasing Situation. . . . . . . . . . . .188