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/* Copyright 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Math utility functions for ARMv7 */
#ifndef __CROS_EC_FPU_H
#define __CROS_EC_FPU_H
#ifdef CONFIG_FPU
static inline float sqrtf(float v)
{
float root;
asm volatile(
"fsqrts %0, %1"
: "=w" (root)
: "w" (v)
);
return root;
}
static inline float fabsf(float v)
{
float root;
asm volatile(
"fabss %0, %1"
: "=w" (root)
: "w" (v)
);
return root;
}
#endif /* CONFIG_FPU */
#endif /* __CROS_EC_FPU_H */
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