diff --git a/test/src/math/modfl_test.cpp b/test/src/math/modfl_test.cpp
index e8f292a..fae4690 100644
--- a/test/src/math/modfl_test.cpp
+++ b/test/src/math/modfl_test.cpp
@@ -13,48 +13,52 @@
 #include "utils/UnitTest/Test.h"
 #include <math.h>
 
+typedef long double LD;
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
 TEST(LlvmLibcmodflTest, SpecialNumbers) {
   long double integral;
 
-  EXPECT_TRUE(FPBits::zero() == __llvm_libc::modfl(FPBits::inf(), &integral));
-  EXPECT_TRUE(FPBits::inf() == integral);
+  EXPECT_TRUE(LD(FPBits::zero()) ==
+              __llvm_libc::modfl(LD(FPBits::inf()), &integral));
+  EXPECT_TRUE(LD(FPBits::inf()) == integral);
 
-  EXPECT_TRUE(FPBits::negZero() ==
-              __llvm_libc::modfl(FPBits::negInf(), &integral));
-  EXPECT_TRUE(FPBits::negInf() == integral);
+  EXPECT_TRUE(LD(FPBits::negZero()) ==
+              __llvm_libc::modfl(LD(FPBits::negInf()), &integral));
+  EXPECT_TRUE(LD(FPBits::negInf()) == integral);
 
-  EXPECT_TRUE(FPBits::zero() == __llvm_libc::modfl(FPBits::zero(), &integral));
+  EXPECT_TRUE(LD(FPBits::zero()) ==
+              __llvm_libc::modfl(LD(FPBits::zero()), &integral));
   EXPECT_TRUE(integral == 0.0l);
 
-  EXPECT_TRUE(FPBits::negZero() ==
-              __llvm_libc::modfl(FPBits::negZero(), &integral));
+  EXPECT_TRUE(LD(FPBits::negZero()) ==
+              __llvm_libc::modfl(LD(FPBits::negZero()), &integral));
   EXPECT_TRUE(integral == 0.0l);
 
   EXPECT_TRUE(
-      FPBits(__llvm_libc::modfl(FPBits::buildNaN(1), &integral)).isNaN());
+      FPBits(__llvm_libc::modfl(LD(FPBits::buildNaN(1)), &integral)).isNaN());
 }
 
 TEST(LlvmLibcmodflTest, Integers) {
   long double integral;
 
-  EXPECT_TRUE(FPBits::zero() == __llvm_libc::modfl(1.0l, &integral));
+  EXPECT_TRUE(LD(FPBits::zero()) == __llvm_libc::modfl(1.0l, &integral));
   EXPECT_TRUE(integral == 1.0l);
 
-  EXPECT_TRUE(FPBits::negZero() == __llvm_libc::modfl(-1.0l, &integral));
+  EXPECT_TRUE(LD(FPBits::negZero()) == __llvm_libc::modfl(-1.0l, &integral));
   EXPECT_TRUE(integral == -1.0l);
 
-  EXPECT_TRUE(FPBits::zero() == __llvm_libc::modfl(10.0l, &integral));
+  EXPECT_TRUE(LD(FPBits::zero()) == __llvm_libc::modfl(10.0l, &integral));
   EXPECT_TRUE(integral == 10.0l);
 
-  EXPECT_TRUE(FPBits::negZero() == __llvm_libc::modfl(-10.0l, &integral));
+  EXPECT_TRUE(LD(FPBits::negZero()) == __llvm_libc::modfl(-10.0l, &integral));
   EXPECT_TRUE(integral == -10.0l);
 
-  EXPECT_TRUE(FPBits::zero() == __llvm_libc::modfl(12345.0l, &integral));
+  EXPECT_TRUE(LD(FPBits::zero()) == __llvm_libc::modfl(12345.0l, &integral));
   EXPECT_TRUE(integral == 12345.0l);
 
-  EXPECT_TRUE(FPBits::negZero() == __llvm_libc::modfl(-12345.0l, &integral));
+  EXPECT_TRUE(LD(FPBits::negZero()) ==
+              __llvm_libc::modfl(-12345.0l, &integral));
   EXPECT_TRUE(integral == -12345.0l);
 }
 
@@ -85,7 +89,7 @@
   constexpr UIntType count = 10000000;
   constexpr UIntType step = UIntType(-1) / count;
   for (UIntType i = 0, v = 0; i <= count; ++i, v += step) {
-    long double x = FPBits(v);
+    long double x = LD(FPBits(v));
     if (isnan(x) || isinf(x) || x == 0.0l)
       continue;