3074b5808e
Remove dead assignment from sqrtf(). Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
29 lines
389 B
C
29 lines
389 B
C
/*
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* Copyright (c) 2018 Vikrant More
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <math.h>
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#define MINDIFF 2.25e-308
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float sqrtf(float square)
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{
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float root, last, diff;
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root = square / 3.0;
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if (square <= 0) {
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return 0;
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}
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do {
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last = root;
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root = (root + square / root) / 2.0;
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diff = root - last;
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} while (diff > MINDIFF || diff < -MINDIFF);
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return root;
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}
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