asin               25 maint/gnulib/lib/asinf.c   return (float) asin ((double) x);
asin               39 maint/gnulib/lib/asinl.c   return asin (x);
asin               24 maint/gnulib/tests/test-asin.c SIGNATURE_CHECK (asin, double, (double));
asin               36 maint/gnulib/tests/test-asin.c   y = asin (x);