diff --git a/float/float32/l2norm.v b/float/float32/l2norm.v
index 1b4ab7230..72811a26c 100644
--- a/float/float32/l2norm.v
+++ b/float/float32/l2norm.v
@@ -11,7 +11,7 @@ pub fn l2_norm_unitary(x []f32) f32 {
 		if v == 0 {
 			continue
 		}
-		absxi := f32(math.abs(f64(v)))
+		absxi := math.abs(v)
 		if math.is_nan(f64(absxi)) {
 			return f32(math.nan())
 		}
@@ -40,7 +40,7 @@ pub fn l2_norm_inc(x []f32, n u32, incx u32) f32 {
 		if val == 0 {
 			continue
 		}
-		absxi := f32(math.abs(f64(val)))
+		absxi := math.abs(val)
 		if math.is_nan(f64(absxi)) {
 			return f32(math.nan())
 		}
@@ -70,7 +70,7 @@ pub fn l2_distance_unitary(x []f32, y []f32) f32 {
 		if dec_v == 0 {
 			continue
 		}
-		absxi := f32(math.abs(f64(dec_v)))
+		absxi := math.abs(dec_v)
 		if math.is_nan(f64(absxi)) {
 			return f32(math.nan())
 		}
diff --git a/gm/bins.v b/gm/bins.v
index 8084789ff..b420b90e5 100644
--- a/gm/bins.v
+++ b/gm/bins.v
@@ -224,7 +224,7 @@ pub fn (mut o Bins) find_along_segment(xi_ []f64, xf_ []f64, tol f64) []int {
 	mut sbins := []&Bin{} // selected bins
 	mut lmax := math.max(o.size[0], o.size[1])
 	if o.ndim == 3 {
-		lmax = math.max(f64(lmax), o.size[2])
+		lmax = math.max(lmax, o.size[2])
 	}
 	btol := 0.9 * lmax // tolerance for bins
 	pi := point_from_vector(xi, o.ndim)
diff --git a/la/matrix_ops_test.v b/la/matrix_ops_test.v
index f77d2dbf1..b1c8156fb 100644
--- a/la/matrix_ops_test.v
+++ b/la/matrix_ops_test.v
@@ -11,7 +11,7 @@ fn tolerance_equal[T](data1 []T, data2 []T) bool {
 		return false
 	}
 	for i := 0; i < data1.len; i++ {
-		if f64(math.abs(f64(data1[i] - data2[i]))) > la.matrix_tests_tol {
+		if f64(math.abs(data1[i] - data2[i])) > la.matrix_tests_tol {
 			return false
 		}
 	}