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Diffstat (limited to 'chapters/introduction.adoc')
| -rw-r--r-- | chapters/introduction.adoc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/chapters/introduction.adoc b/chapters/introduction.adoc index 64d34e9..0030757 100644 --- a/chapters/introduction.adoc +++ b/chapters/introduction.adoc @@ -254,7 +254,8 @@ Otherwise the result must be within 0.5 ulp of the mathematical result. | <<CAST>> | Result overflows when converting between fp32_t, bf16_t and fp16_t must be set to infinity of the correct sign. + -fp8e4m3_t and fp8e5m2_t must use the saturation mode rules defined in <<IEEE-754,IEEE-754>> when converting from the wider floating-point types. + +fp8e4m3_t and fp8e5m2_t must use the non-saturating mode defined in <<OCP-OFP8,OCP-OFP8>> when converting from the wider floating-point types. + +If saturation of the fp8 types is desired, a <<CLAMP>> operation with the appropriate parameters should be used before the cast. + Floating-point result underflows must be set to zero of the correct sign. + Cast from floating-point to integer result overflows must be saturated. + Cast from floating-point to integer must be rounded using round to nearest, ties to even, rounding mode. + |