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authorChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:07 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:17 +0200
commit9260319e7411ff8281700a532caa436f40120ec4 (patch)
tree2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_hppa/host_missing/accel_missing/625
parent225caa38269323af1bfc2daadff5ec8bd930747f (diff)
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+qemu-hppa floating point POWER function is incorrect
+Description of problem:
+The floating point power function produces incorrect values, and possibly stack misshapes as well.
+Steps to reproduce:
+1. $ hppa1.1-unknown-linux-gnu-gcc pow.c -o pow -lm -static
+2. $ qemu-hppa pow
+3. the expected result is 10.0 ^ 6.0 = 6000000.0, instead of 403.45
+Additional information:
+Example C source to reproduce, pow.c:
+```
+#include <stdio.h>
+#include <math.h>
+int main()
+{
+    double base, expo, res;
+    base=10.0;
+    expo=6.0;
+    // res sould be 1e+6
+    res = pow(base, expo);
+    printf("%.1lf^%.1lf = %.2lf\n", base, expo, res);
+    return 0;
+}
+```