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Added 'fma' function to shader docs #3770

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Jul 10, 2020
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Added 'fma' function to shader docs #3770

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2 changes: 2 additions & 0 deletions tutorials/shading/shading_reference/shading_language.rst
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Expand Up @@ -761,6 +761,8 @@ When vec_type (float), vec_int_type, vec_uint_type, vec_bool_type nomenclature i
+------------------------------------------------------------------------+---------------------------------------------------------------+
| vec_type **mix** (vec_type a, vec_type b, bvec_type c) | Linear interpolate (boolean-vector selection) |
+------------------------------------------------------------------------+---------------------------------------------------------------+
| vec_type **fma** (vec_type a, vec_type b, vec_type c) | Performs a fused multiply-add operation: ``(a * b + c)`` |
+------------------------------------------------------------------------+---------------------------------------------------------------+
| vec_type **step** (vec_type a, vec_type b) | ``b[i] < a[i] ? 0.0 : 1.0`` |
+------------------------------------------------------------------------+---------------------------------------------------------------+
| vec_type **step** (float a, vec_type b) | ``b[i] < a ? 0.0 : 1.0`` |
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