scalar.costurnsf
← scalar dialect
Cosine over turns: cos(2pix), preserving finite-input periodicity and exact quarter-turn cardinal values. Non-finite inputs produce NaN. AFN permits target-dependent zero signs; preserve requires positive zero at odd quarter-turns.
Operation contract
| Property |
Value |
| Semantic phase |
executable |
| Traits |
Pure, SafeToSpeculate |
Signature
| Kind |
Name |
Type |
Cardinality |
Description |
| Operand |
input |
float |
required |
— |
| Result |
result |
float |
required |
— |
| Attribute |
math |
flags TrigonometryMathFlags |
optional |
— |
Verification constraints
Examples
%result = scalar.costurnsf %input : f32