diff options
Diffstat (limited to 'man3/matherr.3')
-rw-r--r-- | man3/matherr.3 | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/man3/matherr.3 b/man3/matherr.3 index 40ff9a62d..5447775c0 100644 --- a/man3/matherr.3 +++ b/man3/matherr.3 @@ -367,13 +367,13 @@ x=12345.000000 #include <math.h> #include <stdio.h> #include <stdlib.h> - +\& static int matherr_ret = 0; /* Value that matherr() should return */ static int change_retval = 0; /* Should matherr() change function\[aq]s return value? */ static double new_retval; /* New function return value */ - +\& int matherr(struct exception *exc) { @@ -388,38 +388,38 @@ matherr(struct exception *exc) fprintf(stderr, " args: %f, %f\en", exc\->arg1, exc\->arg2); fprintf(stderr, " retval: %f\en", exc\->retval); - +\& if (change_retval) exc\->retval = new_retval; - +\& return matherr_ret; } - +\& int main(int argc, char *argv[]) { double x; - +\& if (argc < 2) { fprintf(stderr, "Usage: %s <argval>" " [<matherr\-ret> [<new\-func\-retval>]]\en", argv[0]); exit(EXIT_FAILURE); } - +\& if (argc > 2) { _LIB_VERSION = _SVID_; matherr_ret = atoi(argv[2]); } - +\& if (argc > 3) { change_retval = 1; new_retval = atof(argv[3]); } - +\& x = log(atof(argv[1])); if (errno != 0) perror("errno"); - +\& printf("x=%f\en", x); exit(EXIT_SUCCESS); } |