remove magic numbers from floatscan

diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c
index 0e1f6d06a4ad7593bf909d9c7f38586ee469f147..10123bfa4437ba64c0a15b664f4a48d9da2f6f64 100644 (file)
--- a/src/internal/floatscan.c
+++ b/src/internal/floatscan.c
@@ -403,16 +403,16 @@ long double __floatscan(FILE *f, int c, int prec, int pok)
 
        switch (prec) {
        case 0:
-               bits = 24;
-               emin = -149;
+               bits = FLT_MANT_DIG;
+               emin = FLT_MIN_EXP-bits;
                break;
        case 1:
-               bits = 53;
-               emin = -1074;
+               bits = DBL_MANT_DIG;
+               emin = DBL_MIN_EXP-bits;
                break;
        case 2:
                bits = LDBL_MANT_DIG;
-               emin = -16445;
+               emin = LDBL_MIN_EXP-bits;
                break;
        default:
                return 0;