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@@ -41,6 +41,17 @@ Known bugs:
* Some functions do not use MPFR_SAVE_EXPO_* macros, thus do not behave
correctly in a reduced exponent range.
+* tcot fails on PowerPC (32 bits), both with Linux and Mac OS X.
+With r4570:
+results differ for x=-1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e-1073741824 prec=200 rnd_mode=GMP_RNDD
+got -1.1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111e1073741822
+expected -@Inf@
+approx -0.111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111E1073741823
+No problem on Linux/x86 and Linux/x86_64.
+
+* On x86_64, tacos segfaults (because of lack of memory?) or loops
+ for acos(1e-1073741823).
+
Potential bugs:
* Possible integer overflows on some machines.