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Fizzy TestFloat

The fizzy-testfloat is a CLI tool that cooperates with the Berkeley TestFloat floating-point implementation test suite and tools.

The TestFloat's testfloat_gen generates operand values and expected result for selected floating-point instruction. Then this generated input is processed by fizzy-testfloat to check if Fizzy's implementation of the matching WebAssembly instruction produces the same result.

For more information check fizzy-testfloat --help and testfloat_gen --help.

Examples

  1. Test f32.add with default rounding mode 
    testfloat_gen f32_add | fizzy-testfloat f32_add
  2. Test f32.add with rounding down (not WebAssembly compliant) 
    testfloat_gen -rmin f32_add | fizzy-testfloat -rmin f32_add
  3. Test f32.trunc 
    testfloat_gen -rminMag f32_roundToInt | fizzy-testfloat f32_trunc