| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/src/math/ |
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// Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. #include "textflag.h" // func archCeil(x float64) float64 TEXT ·archCeil(SB),NOSPLIT,$0 FMOVD x+0(FP), F0 // F0=x FSTCW -2(SP) // save old Control Word MOVW -2(SP), AX ANDW $0xf3ff, AX ORW $0x0800, AX // Rounding Control set to +Inf MOVW AX, -4(SP) // store new Control Word FLDCW -4(SP) // load new Control Word FRNDINT // F0=Ceil(x) FLDCW -2(SP) // load old Control Word FMOVDP F0, ret+8(FP) RET // func archFloor(x float64) float64 TEXT ·archFloor(SB),NOSPLIT,$0 FMOVD x+0(FP), F0 // F0=x FSTCW -2(SP) // save old Control Word MOVW -2(SP), AX ANDW $0xf3ff, AX ORW $0x0400, AX // Rounding Control set to -Inf MOVW AX, -4(SP) // store new Control Word FLDCW -4(SP) // load new Control Word FRNDINT // F0=Floor(x) FLDCW -2(SP) // load old Control Word FMOVDP F0, ret+8(FP) RET // func archTrunc(x float64) float64 TEXT ·archTrunc(SB),NOSPLIT,$0 FMOVD x+0(FP), F0 // F0=x FSTCW -2(SP) // save old Control Word MOVW -2(SP), AX ORW $0x0c00, AX // Rounding Control set to truncate MOVW AX, -4(SP) // store new Control Word FLDCW -4(SP) // load new Control Word FRNDINT // F0=Trunc(x) FLDCW -2(SP) // load old Control Word FMOVDP F0, ret+8(FP) RET