Comments (7)
C var-args passes things by value, so you need to &
the args to make them pointers in that case: https://fwd.gymni.ch/zWsQwn
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I hope I understood you correctly, but I see a similar issue
from enzyme.
Hopefully that solve your issue, however keeping this open for now so we can make the nice c++ syntax happy with it [and obviate the need for the extra work]: https://fwd.gymni.ch/UDe5lg
from enzyme.
Sorry, I am having same issue, in a small example I was creating to ask unrelated question. Why is the minimal function below gives same error?
int __enzyme_const, __enzyme_dup;
void __enzyme_autodiffs(void (*) (double, double, double*), ...);
void math(double a, double b , double *result) {}
void grad(double a, double b, double *result, double *d_result) {
double d_a = 0.0;
double d_b = 0.0;
__enzyme_autodiffs(math,
__enzyme_dup, a, d_a,
__enzyme_dup, b, d_b,
__enzyme_dup, result, d_result);
}
from enzyme.
@ipcamit I think you're just using the wrong names for some of the enzyme stuff.
try:
__enzyme_autodiff
rather than__enzyme_autodiffs
enzyme_const
instead of__enzyme_const
enzyme_dup
instead of__enzyme_dup
see: https://fwd.gymni.ch/k3qaoa
from enzyme.
This is embarrassing! I was using __enzyme_autodiff
properly, and was trying to see if its name change will affect the compilation. But completely forgot about enzyme_dup
, I was really sure that all things enzyme start like __enzyme...
! Thank you for taking time to look into this.
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