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1073b379c8
The gamma() functions are accurate to 13 digits over the full range. Returns INFINITY / NAN identical to other compiler's math libs.
#include <stdio.h>
#include <math.h>
int main() {
double x;
for (x = -7.0; x <= 520.0; x += 1.0) {
printf("tgamma/lgamma %6.3f: %20.13g %20.13g\n", x/3, tgamma(x/3.0), lgamma(x/3.0));
}
printf("tgamma/lgamma %g: %20.13g %20.13g\n", 0.00000234, tgamma(0.00000234), lgamma(0.00000234));
printf("log2, exp2, cbrt, cbrt: %.15g %.15g %.15g %.15g\n", log2(1024), exp2(10), cbrt(-10), cbrt(10));
}
63 lines
744 B
Plaintext
63 lines
744 B
Plaintext
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