Overview

Questa FPU

The Questa FPU application significantly minimizes verification workload, ensuring accurate alignment of floating-point implementations with desired outcomes. Its deployment is hassle-free, featuring readily available verification blocks and integrated debugging functionalities.


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Engineer is using Questa FPU on her desktop
Key features

Formal verification of IEEE 754 floating-point hardware

An effective issue-detection approach, negating the necessity for crafting reference models, testbenches, or test cases. Underlying formal technology instills confidence through conclusive proofs that extend beyond the coverage of extensive simulation cycles.

The Questa FPU App is designed to ensure that FPUs adhere to the IEEE 754 standard, which is the benchmark for floating-point computation accuracy. It is pivotal for scientific, audio, digital, and graphics computing where precision is paramount across diverse value ranges. The tool's utility extends to a variety of hardware including ASIC and FPGA chips, which are integral in systems where safety is non-negotiable, such as in automotive and nuclear power plant instrumentation.

  • Exception handling is thorough, with checks for all standard exceptions like invalid operations, zero divisions, and numerical overflows or underflows.
  • Versatility is provided through support for various rounding modes and the capability to handle different levels of precision from half to double, with options for custom precisions as needed.
  • The FPU App offers the flexibility to customize verification checks to align with unique hardware specifications or intentional standard deviations.
  • Conversion functions included in the App facilitate the transition between different floating-point formats and between floating-point and signed integer numbers, enhancing its applicability across different computational scenarios.
Formal Verification

Featured white papers

Formal verification

Upcoming and on-demand events

View all available Formal Verification video recordings at the Verification Academy.

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Verification Academy

Verification Academy provides the skills necessary to mature an organization's functional verification process capabilities, providing a methodological bridge between high-level value propositions and the low-level details.

Verification Horizons blog

Insight and updates on concepts, values, standards, methodologies, and examples to assist with the understanding of what advanced functional verification technologies can do and how to most effectively apply them.

Verification Horizons

The Verification Horizons publication provides concepts, values, methodologies and examples to assist with the understanding of what advanced functional verification technologies can do and how to most effectively apply them.