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@iquilezles: @SebAaltonen smoothstep() is a much better approximation x(0.75 - xx) where x

https://x.com/iquilezles/status/1790999386153013408

may 2024 ‧ twitter twitter-post imported ‧ open in karakeep

by inigo quilez ‧ X (formerly Twitter) ‧ published 2024.05.16 ‧ saved copy from 2026.08.28

From X bookmark — @iquilezles (inigo quilez), May 16 2024 https://x.com/iquilezles/status/1790999386153013408

Inigo Quilez discusses a smoothstep() function approximation using x*(0.75 - x*x) for values of x in the range [-0.5, 0.5], noting it requires one additional multiplication. The content briefly mentions cookies used by X and its partners to enhance service quality, security, and performance. Cookies are also necessary for proper service functionality and business support.

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@SebAaltonen smoothstep() is a much better approximation x*(0.75 - x*x) where x in [-0.5, 0.5], but it’s one extra mul.

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@iquilezles: @SebAaltonen smoothstep() is a much better approximation x*(0.75 - x*x) where x

@iquilezles: @SebAaltonen smoothstep() is a much better approximation x(0.75 - xx) where x