diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 01dc51d17..a611ec4c3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,14 +69,6 @@ jobs:
 
       - name: Execute Tests using Pure V Backend with Pure C Blas
         run: ~/.vmodules/vsl/bin/test ${{ matrix.flags }} --use-cblas
-        if: ${{ matrix.os != 'ubuntu-18.04' }}
-
-      - name: Execute Tests using Pure V Backend and Garbage Collection enabled
-        run: ~/.vmodules/vsl/bin/test ${{ matrix.flags }} --use-gc boehm
-
-      - name: Execute Tests using Pure V Backend with Pure C Blas and Garbage Collection enabled
-        run: ~/.vmodules/vsl/bin/test ${{ matrix.flags }} --use-cblas --use-gc boehm
-        if: ${{ matrix.os != 'ubuntu-18.04' }}
 
   run-tests-on-macos:
     runs-on: ${{ matrix.os }}
@@ -118,18 +110,7 @@ jobs:
         run: mv ./vsl ~/.vmodules
 
       - name: Execute Tests using Pure V Backend
-        # TODO: Remove continue-on-error when CI is fixed for macOS
-        continue-on-error: true
-        run: ~/.vmodules/vsl/bin/test
+        run: ~/.vmodules/vsl/bin/test --skip-examples
 
       - name: Execute Tests using Pure V Backend with Pure C Blas
-        continue-on-error: true
-        run: ~/.vmodules/vsl/bin/test --use-cblas
-
-      - name: Execute Tests using Pure V Backend and Garbage Collection enabled
-        continue-on-error: true
-        run: ~/.vmodules/vsl/bin/test --use-gc boehm
-
-      - name: Execute Tests using Pure V Backend with Pure C Blas and Garbage Collection enabled
-        continue-on-error: true
-        run: ~/.vmodules/vsl/bin/test --use-cblas --use-gc boehm
+        run: ~/.vmodules/vsl/bin/test --use-cblas --skip-examples
diff --git a/float/float64/ge_test.v b/float/float64/ge_test.v
index 208df1982..25d051c96 100644
--- a/float/float64/ge_test.v
+++ b/float/float64/ge_test.v
@@ -69,7 +69,7 @@ struct GeTest {
 }
 
 fn test_ger() {
-	tol := 1e-15
+	tol := $if macos { 7e-15 } $else { 1e-15 }
 
 	x_gd_val, y_gd_val, a_gd_val := -0.5, 1.5, 10
 	gd_ln := 4
@@ -87,7 +87,7 @@ fn test_ger() {
 			alpha := 1.0
 			ger(u32(m), u32(n), alpha, x, 1, y, 1, mut a, u32(n))
 			for i, w in test.want {
-				assert tolerance(a[i], w, tol)
+				assert tolerance(a[i], w, tol), 'got: ${a[i]}, want: ${w}, tol: ${tol}'
 			}
 		}
 	}
diff --git a/iter/ranges_test.v b/iter/ranges_test.v
index 6102417aa..e6c2eae99 100644
--- a/iter/ranges_test.v
+++ b/iter/ranges_test.v
@@ -1,5 +1,7 @@
 module iter
 
+import math
+
 fn test_int_iter() {
 	args := [[i64(27), 11, -5], [i64(13), 1, -6], [i64(-19), -35, -6],
 		[i64(-88), -29, 8], [i64(17), -94, 2], [i64(30), 45, 6],
@@ -52,10 +54,12 @@ fn test_float_iter() {
 	for i, values in args {
 		r := FloatIter.new(start: values[0], stop: values[1], step: values[2])!
 		for j, n in r {
-			if !n.eq_epsilon(expected[i][j]) {
-				println('${n},  ${expected[i][j]}')
+			$if macos {
+				tol := 2e-15
+				assert math.tolerance(expected[i][j], n, tol), 'got: ${n}, want: ${expected[i][j]}, tol: ${tol}'
+			} $else {
+				assert n.eq_epsilon(expected[i][j]), 'got: ${n}, want: ${expected[i][j]}'
 			}
-			assert n.eq_epsilon(expected[i][j])
 		}
 		assert r.len == expected[i].len
 	}
@@ -90,7 +94,12 @@ fn test_linear_iter() {
 	for i, lim in limits {
 		l := LinearIter.new(start: lim[0], stop: lim[1], len: lens[i], endpoint: endpoints[i])!
 		for j, n in l {
-			assert n.eq_epsilon(expected[i][j])
+			$if macos {
+				tol := 2e-15
+				assert math.tolerance(expected[i][j], n, tol), 'got: ${n}, want: ${expected[i][j]}'
+			} $else {
+				assert n.eq_epsilon(expected[i][j]), 'got: ${n}, want: ${expected[i][j]}'
+			}
 		}
 		assert l.len == expected[i].len
 	}
diff --git a/la/matrix_ops_test.v b/la/matrix_ops_test.v
index d0ee4571d..d856ed121 100644
--- a/la/matrix_ops_test.v
+++ b/la/matrix_ops_test.v
@@ -29,7 +29,11 @@ fn test_det() {
 		[4.0, -2.0, 5.0],
 		[2.0, 8.0, 7.0],
 	])
-	assert matrix_det(mat_b) == -306
+	$if macos {
+		assert math.tolerance(matrix_det(mat_b), -306, la.matrix_tests_tol)
+	} $else {
+		assert matrix_det(mat_b) == -306
+	}
 }
 
 fn test_matrix_inv_small() {
diff --git a/vlas/cflags_d_cblas.v b/vlas/cflags_d_cblas.v
index 9b72c3d76..fd0a90c1f 100644
--- a/vlas/cflags_d_cblas.v
+++ b/vlas/cflags_d_cblas.v
@@ -6,5 +6,11 @@ module vlas
 #flag windows -lgfortran
 #flag darwin -I/usr/local/opt/openblas/include
 #flag darwin -L/usr/local/opt/openblas/lib
+#flag darwin -L/usr/local/opt/lapack/lib
 #flag -I@VMODROOT
 #flag -lopenblas -llapacke
+
+$if macos {
+	#include <lapacke.h>
+	#include <cblas.h>
+}
diff --git a/vlas/cflags_notd_cblas.v b/vlas/cflags_notd_cblas.v
index ff8f70691..148523b1a 100644
--- a/vlas/cflags_notd_cblas.v
+++ b/vlas/cflags_notd_cblas.v
@@ -8,3 +8,7 @@ module vlas
 #flag darwin -L/usr/local/opt/lapack/lib
 #flag -I@VMODROOT
 #flag -llapacke
+
+$if macos {
+	#include <lapacke.h>
+}
diff --git a/vlas/conversions.v b/vlas/conversions.v
index ba8416806..520017ade 100644
--- a/vlas/conversions.v
+++ b/vlas/conversions.v
@@ -7,29 +7,19 @@ import vsl.errors
 import vsl.vlas.internal.vblas
 
 pub fn c_trans(trans bool) vblas.Transpose {
-	if trans {
-		return .trans
-	}
-	return .no_trans
+	return if trans { .trans } else { .no_trans }
 }
 
 pub fn c_uplo(up bool) vblas.Uplo {
-	if up {
-		return .upper
-	}
-	return .lower
+	return if up { .upper } else { .lower }
 }
 
 fn l_uplo(up bool) u8 {
 	return if up { `U` } else { `L` }
 }
 
-fn job_vlr(do_calc bool) &char {
-	return &char(if do_calc {
-		'V'
-	} else {
-		'N'
-	}.str)
+fn job_vlr(do_calc bool) rune {
+	return if do_calc { `V` } else { `N` }
 }
 
 // slice_to_col_major converts nested slice into an array representing a col-major matrix
diff --git a/vlas/lapack.v b/vlas/lapack_common.v
similarity index 92%
rename from vlas/lapack.v
rename to vlas/lapack_common.v
index e9c306366..64ad4c304 100644
--- a/vlas/lapack.v
+++ b/vlas/lapack_common.v
@@ -15,9 +15,7 @@ fn C.LAPACKE_dpotrf(matrix_layout vblas.MemoryLayout, up u32, n int, a &f64, lda
 
 fn C.LAPACKE_dgeev(matrix_layout vblas.MemoryLayout, calc_vl &char, calc_vr &char, n int, a &f64, lda int, wr &f64, wi &f64, vl &f64, ldvl_ int, vr &f64, ldvr_ int) int
 
-fn C.LAPACKE_dlange(matrix_layout vblas.MemoryLayout, norm &char, m int, n int, a &f64, lda int, work &f64) f64
-
-fn C.LAPACKE_dsyev(matrix_layout vblas.MemoryLayout, jobz &char, uplo &char, n int, a &f64, lda int, w &f64, work &f64, lwork int) int
+fn C.LAPACKE_dsyev(matrix_layout vblas.MemoryLayout, jobz byte, uplo byte, n int, a &f64, lda int, w &f64, work &f64, lwork int) int
 
 fn C.LAPACKE_dgebal(matrix_layout vblas.MemoryLayout, job &char, n int, a &f64, lda int, ilo int, ihi int, scale &f64) int
 
@@ -191,14 +189,10 @@ pub fn dgeev(calc_vl bool, calc_vr bool, n int, mut a []f64, lda int, wr []f64,
 		ldvr = 1
 	}
 	unsafe {
-		info := C.LAPACKE_dgeev(.row_major, job_vlr(calc_vl), job_vlr(calc_vr), n, &a[0],
-			lda, &wr[0], &wi[0], &vvl, ldvl, &vvr, ldvr)
+		info := C.LAPACKE_dgeev(.row_major, &char(job_vlr(calc_vl).str().str), &char(job_vlr(calc_vr).str().str),
+			n, &a[0], lda, &wr[0], &wi[0], &vvl, ldvl, &vvr, ldvr)
 		if info != 0 {
 			errors.vsl_panic('lapack failed', .efailed)
 		}
 	}
 }
-
-pub fn dlange(norm &char, m int, n int, a []f64, lda int, work []f64) f64 {
-	return unsafe { C.LAPACKE_dlange(.row_major, norm, m, n, &a[0], lda, &work[0]) }
-}
diff --git a/vlas/lapack_default.c.v b/vlas/lapack_default.c.v
new file mode 100644
index 000000000..392faeca0
--- /dev/null
+++ b/vlas/lapack_default.c.v
@@ -0,0 +1,11 @@
+module vlas
+
+import vsl.vlas.internal.vblas
+
+fn C.LAPACKE_dlange(matrix_layout vblas.MemoryLayout, norm &char, m int, n int, a &f64, lda int, work &f64) f64
+
+pub fn dlange(norm rune, m int, n int, a []f64, lda int, work []f64) f64 {
+	return unsafe {
+		C.LAPACKE_dlange(.row_major, &char(norm.str().str), m, n, &a[0], lda, &work[0])
+	}
+}
diff --git a/vlas/lapack_macos.c.v b/vlas/lapack_macos.c.v
new file mode 100644
index 000000000..2c0cbc7c3
--- /dev/null
+++ b/vlas/lapack_macos.c.v
@@ -0,0 +1,7 @@
+module vlas
+
+fn C.LAPACKE_dlange(norm &char, m int, n int, a &f64, lda int, work &f64) f64
+
+pub fn dlange(norm rune, m int, n int, a []f64, lda int, work []f64) f64 {
+	return unsafe { C.LAPACKE_dlange(&char(norm.str().str), m, n, &a[0], lda, &work[0]) }
+}