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diff --git a/wasm/math.h b/wasm/math.h
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+/******************************************************************************
+ *
+ *  Copyright 2024 Google LLC
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at:
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ ******************************************************************************/
+
+#ifndef __LC3_MATH_H
+#define __LC3_MATH_H
+
+#define INFINITY __builtin_inff()
+
+#define floorf  __builtin_floorf
+#define truncf  __builtin_truncf
+
+static inline float roundf(float x)
+{ return x >= 0 ? truncf(x + 0.5f) : truncf(x - 0.5f); }
+
+#define fabsf   __builtin_fabsf
+#define fmaxf   __builtin_fmaxf
+#define fminf   __builtin_fminf
+
+#define log10f  __builtin_log10f
+#define sqrtf   __builtin_sqrtf
+
+#endif /* __LC3_MATH_H */