Remove gomodcache and revert changes to decimal128 (temp commit)

Author: prestonvasquez

.gomodcache/cache/download/go.mongodb.org/mongo-driver/v2/@v/v2.4.1-0.20251119200446-d4c47cce07d3.info

@@ -7,10 +7,7 @@
 package decimal128
 
 import (
-	"math"
 	"strconv"
-
-	"go.mongodb.org/mongo-driver/v2/internal/mathutil"
 )
 
 // These constants are the maximum and minimum values for the exponent field in a decimal128 value.
@@ -33,11 +30,8 @@ func divmod(h, l uint64, div uint32) (qh, ql uint64, rem uint32) {
 	d := cr<<32 + l&(1<<32-1)
 	dq := d / div64
 	dr := d % div64
-	if dr > math.MaxUint32 {
-		return (aq<<32 | bq), (cq<<32 | dq), math.MaxUint32
-	}
-	rem32 := uint32(dr)
-	return (aq<<32 | bq), (cq<<32 | dq), rem32
+	//nolint:gosec // G115: dr is result of modulo, always fits in uint32
+	return (aq<<32 | bq), (cq<<32 | dq), uint32(dr)
 }
 
 // String returns a string representation of the decimal value.
@@ -61,22 +55,14 @@ func String(h, l uint64) string {
 	if h>>61&3 == 3 {
 		// Bits: 1*sign 2*ignored 14*exponent 111*significand.
 		// Implicit 0b100 prefix in significand.
-		exp64 := h >> 47 & (1<<14 - 1)
-		expConv, err := mathutil.SafeConvertNumeric[int](exp64)
-		if err != nil {
-			return "NaN"
-		}
-		exp = expConv
+		//nolint:gosec // G115: 14-bit value always fits in int
+		exp = int(h >> 47 & (1<<14 - 1))
 		// Spec says all of these values are out of range.
 		high, low = 0, 0
 	} else {
 		// Bits: 1*sign 14*exponent 113*significand
-		exp64 := h >> 49 & (1<<14 - 1)
-		expConv, err := mathutil.SafeConvertNumeric[int](exp64)
-		if err != nil {
-			return "NaN"
-		}
-		exp = expConv
+		//nolint:gosec // G115: 14-bit value always fits in int
+		exp = int(h >> 49 & (1<<14 - 1))
 		high = h & (1<<49 - 1)
 	}
 	exp += MinDecimal128Exp
@@ -87,9 +73,9 @@ func String(h, l uint64) string {
 	}
 
 	var repr [48]byte // Loop 5 times over 9 digits plus dot, negative sign, and leading zero.
-	last := len(repr)
-	i := len(repr)
-	dot := len(repr) + exp
+	var last = len(repr)
+	var i = len(repr)
+	var dot = len(repr) + exp
 	var rem uint32
 Loop:
 	for d9 := 0; d9 < 5; d9++ {
@@ -98,19 +84,13 @@ Loop:
 			// Handle "-0.0", "0.00123400", "-1.00E-6", "1.050E+3", etc.
 			if i < len(repr) && (dot == i || low == 0 && high == 0 && rem > 0 && rem < 10 && (dot < i-6 || exp > 0)) {
 				exp += len(repr) - i
-				if i == 0 {
-					break Loop
-				}
 				i--
 				repr[i] = '.'
 				last = i - 1
 				dot = len(repr) // Unmark.
 			}
 			c := '0' + byte(rem%10)
 			rem /= 10
-			if i == 0 {
-				break Loop
-			}
 			i--
 			repr[i] = c
 			// Handle "0E+3", "1E+3", etc.
@@ -127,10 +107,8 @@ Loop:
 			}
 		}
 	}
-	if last > 0 {
-		repr[last-1] = '-'
-		last--
-	}
+	repr[last-1] = '-'
+	last--
 
 	if exp > 0 {
 		return string(repr[last+posSign:]) + "E+" + strconv.Itoa(exp)