Variable Precision DSP Blocks User Guide: Agilex™ 5 FPGAs and SoCs

ID 813968
Date 9/20/2024
Public
Document Table of Contents

2.3.4.2. Exception Handling for Floating-point Conversion

The fixed-point to 32-bit floating-point converter supports exception handling feature. The following table shows the exception handling results supported by the converter.

Table 14.  Exception Handling Results
20-bit DOT Product Vector Exponent A Exponent B Summed and Adjusted Exponent 32-bit Floating-point Format
Any 0xFF Any Any NaN
Any Any 0xFF Any NaN
0 <0xFF <0xFF Any 0.0
Any Any Any ≥ 0xFF Positive/Negative Infinity (INF)
Any Any Any ≤ 0 7.3