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Keep the polynomial and RBF Gram epilogues in the input precision #2536

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Keep the polynomial and RBF Gram epilogues in the input precision #2536

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6 changes: 3 additions & 3 deletions cpp/src/distance/detail/kernels/kernel_matrices.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ RAFT_KERNEL polynomial_kernel_nopad(
{
for (size_t tid = threadIdx.x + blockIdx.x * blockDim.x; tid < len;
tid += blockDim.x * gridDim.x) {
inout[tid] = pow(gain * inout[tid] + offset, exponent);
inout[tid] = pow(gain * inout[tid] + offset, (math_t)exponent);
}
}

Expand All @@ -51,7 +51,7 @@ RAFT_KERNEL polynomial_kernel(
tidy += blockDim.y * gridDim.y)
for (size_t tidx = threadIdx.x + blockIdx.x * blockDim.x; tidx < rows;
tidx += blockDim.x * gridDim.x) {
inout[tidx + tidy * ld] = pow(gain * inout[tidx + tidy * ld] + offset, exponent);
inout[tidx + tidy * ld] = pow(gain * inout[tidx + tidy * ld] + offset, (math_t)exponent);
}
}

Expand Down Expand Up @@ -118,7 +118,7 @@ RAFT_KERNEL rbf_kernel_expanded(
for (size_t tidx = threadIdx.x + blockIdx.x * blockDim.x; tidx < rows;
tidx += blockDim.x * gridDim.x) {
inout[tidx + tidy * ld] =
exp(-1.0 * gain * (norm_x[tidx] + norm_y_val - inout[tidx + tidy * ld] * 2));
exp(-gain * (norm_x[tidx] + norm_y_val - inout[tidx + tidy * ld] * 2));
}
}
}
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