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// RUN: %clang -std=c11 -ffast-math -O0 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O1 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O2 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O3 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O0 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O1 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O2 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O3 %s -S -emit-llvm -o - -g | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
#include "../test_utils.h"
#define __builtin_autodiff __enzyme_autodiff
double __enzyme_autodiff(void*, double, unsigned);
// May be needed if not built with compiler-rt
double __powidf2(double a, int b) {
const int recip = b < 0;
double r = 1;
while (1) {
if (b & 1)
r *= a;
b /= 2;
if (b == 0)
break;
a *= a;
}
return recip ? 1 / r : r;
}
static double taylorlog(double x, unsigned SINCOSN) {
double sum = 0;
for(int i=1; i<=SINCOSN; i++) {
sum += __builtin_pow(x, i);
}
return sum;
}
int main(int argc, char** argv) {
double ret = __builtin_autodiff(taylorlog, 0.5, 10000);
APPROX_EQ(ret, 4.0, 1e-7);
return 0;
}