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Adds NLP atoms #2

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Adds NLP atoms #2

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13 changes: 13 additions & 0 deletions cvxtorch/torch_numerics/elementwise/trig.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
import torch
from cvxpy.expressions.expression import Expression


class sin:
@staticmethod
def torch_numeric(expr: Expression, values: list[torch.Tensor]) -> torch.Tensor:
return torch.sin(values[0])

class cos:
@staticmethod
def torch_numeric(expr: Expression, values: list[torch.Tensor]) -> torch.Tensor:
return torch.cos(values[0])
16 changes: 15 additions & 1 deletion cvxtorch/utils/exp2tch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -160,4 +160,18 @@
minimum: minimum_tch.torch_numeric,
power: power_tch.torch_numeric,
xexp: xexp_tch.torch_numeric,
}
}

try:
# Atoms from cvxpy-ipopt
from cvxpy.atoms.elementwise.trig import cos, sin

from cvxtorch.torch_numerics.elementwise.trig import cos as cos_tch, sin as sin_tch
EXPR2TORCH.extend({
sin: sin_tch.torch_numeric,
cos: cos_tch.torch_numeric,
})
except ImportError:
pass


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