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README

Digamma

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Product Support Status

Product Supported
Ascend 950PR&950DT products ×
Atlas A3 products √
Atlas A2 products √
Atlas 200I/500 A2 inference products ×
Atlas inference products √
Atlas training products √

Function Description

  • Operator function: performs the digamma mathematical operation on each element of the input tensor

  • Computation formula:

yi=ddxiloge(Γ(∣xi∣))y_i= \frac{{\rm d}} {{\rm d}x_i}log_e(\Gamma(|x_i|))

Parameter Description

Parameter Name Input/Output/Attribute Description Data Type Data Format
x Input The input tensor xi in the formula. FLOAT, FLOAT16, DOUBLE ND
y Output The output tensor yi in the formula. FLOAT, FLOAT16, DOUBLE ND

Constraint Description

None

Invocation Description

Invocation Method Invocation Sample Description
aclnn invocation test_aclnn_digamma Invokes the digamma operator through the aclnnDigamma API.