diff options
Diffstat (limited to 'src/c/specialFunctions/erfinv/derfinvs.c')
| -rw-r--r-- | src/c/specialFunctions/erfinv/derfinvs.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/c/specialFunctions/erfinv/derfinvs.c b/src/c/specialFunctions/erfinv/derfinvs.c index 3f7fe761..2dce2051 100644 --- a/src/c/specialFunctions/erfinv/derfinvs.c +++ b/src/c/specialFunctions/erfinv/derfinvs.c @@ -28,7 +28,8 @@ double derfinvs (double inp1) { return 0.0/0.0; // returns Nan } - if ((inp1 >= -0.7) && (inp1 <= 0.7)) + + else if ((inp1 >= -0.7) && (inp1 <= 0.7)) { double sq = inp1 * inp1; return (inp1 * (((a[3]*sq+a[2]) * sq+a[1]) * sq+a[0]) / ((((b[3]*sq+b[2]) * sq+b[1]) * sq+b[0]) * sq+1)); //Inverse error formula @@ -45,5 +46,10 @@ double derfinvs (double inp1) double z = sqrt(-log((1+inp1)/2)); return (-(((c[3]*z+c[2]) * z+c[1]) * z+c[0]) / ((d[1]*z+d[0]) * z+1)); //Inverse error formula } + + else + { + return 0.0/0.0; // returns Nan + } } |