/*
 * Copyright (c) 2005-2020 Rich Felker, et al.
 *
 * SPDX-License-Identifier: MIT
 *
 * Please see https://git.musl-libc.org/cgit/musl/tree/COPYRIGHT
 * for all contributors to musl.
 */
#include <math.h>
#include <stdint.h>

float scalbnf(float x, int n)
{
        union {float f; uint32_t i;} u;
        float_t y = x;

        if (n > 127) {
                y *= 0x1p127f;
                n -= 127;
                if (n > 127) {
                        y *= 0x1p127f;
                        n -= 127;
                        if (n > 127)
                                n = 127;
                }
        } else if (n < -126) {
                y *= 0x1p-126f * 0x1p24f;
                n += 126 - 24;
                if (n < -126) {
                        y *= 0x1p-126f * 0x1p24f;
                        n += 126 - 24;
                        if (n < -126)
                                n = -126;
                }
        }
        u.i = (uint32_t)(0x7f+n)<<23;
        x = y * u.f;
        return x;
}

__strong_reference(scalbnf, ldexpf);