Update nanmskmin.js

Signed-off-by: Kaushikgtm <[email protected]>

Author: Kaushikgtm

lib/node_modules/@stdlib/stats/base/nanmskmin/lib/nanmskmin.js

@@ -62,40 +62,42 @@ function nanmskmin(N, x, strideX, offsetX, mask, strideMask, offsetMask) {
     var om = arraylike2object( mask );
 
     // Use accessor function if needed
-    if (ox.accessorProtocol || om.accessorProtocol) {
+	if (ox.accessorProtocol || om.accessorProtocol) {
         return accessors(N, ox, strideX, offsetX, om, strideMask, offsetMask);
     }
 
-   ix = offsetX;
-	im = offsetMask;
-
-	// Find the first unmasked element
+	if ( strideX < 0 ) {
+		ix = (1-N) * strideX;
+	} else {
+		ix = 0;
+	}
+	if ( strideMask < 0 ) {
+		im = (1-N) * strideMask;
+	} else {
+		im = 0;
+	}
 	for ( i = 0; i < N; i++ ) {
-		if ( mask[im] === 0 ) {
+		v = x[ ix ];
+		if ( v === v && mask[ im ] === 0 ) {
 			break;
 		}
 		ix += strideX;
 		im += strideMask;
 	}
-
 	if ( i === N ) {
 		return NaN;
 	}
-
-	min = x[ ix ];
-	if ( isnan( min ) ) {
-		return min;
-	}
-
-	for ( i += 1; i < N; i++ ) {
+	min = v;
+	i += 1;
+	for ( i; i < N; i++ ) {
 		ix += strideX;
 		im += strideMask;
-		if ( mask[ im ] !== 0 ) {
+		if ( mask[ im ] ) {
 			continue;
 		}
 		v = x[ ix ];
 		if ( isnan( v ) ) {
-			return v;
+			continue;
 		}
 		if ( v < min || ( v === min && isNegativeZero( v ) ) ) {
 			min = v;
@@ -104,6 +106,7 @@ function nanmskmin(N, x, strideX, offsetX, mask, strideMask, offsetMask) {
 	return min;
 }
 
+
 // EXPORTS //
 
 module.exports = nanmskmin;