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Global: fixes -ffast-math compatibility

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Unifies unset double handling using `-DBL_MAX` sentinel

Fixes #1894
This commit is contained in:
李通洲
2025-08-14 09:47:14 +08:00
parent 7446828866
commit 61f2823903
33 changed files with 119 additions and 84 deletions
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src/detection/cpu/cpu_linux.c
+13 -10
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@@ -28,19 +28,19 @@ static double parseHwmonDir(FFstrbuf* dir, FFstrbuf* buffer)
ffStrbufAppendS(dir, "temp1_input");
if(!ffReadFileBuffer(dir->chars, buffer))
return 0.0/0.0;
return FF_CPU_TEMP_UNSET;
}
ffStrbufSubstrBefore(dir, dirLength);
double value = ffStrbufToDouble(buffer);// millidegree Celsius
double value = ffStrbufToDouble(buffer, FF_CPU_TEMP_UNSET);// millidegree Celsius
if(value != value)
return 0.0/0.0;
if(value == FF_CPU_TEMP_UNSET)
return FF_CPU_TEMP_UNSET;
ffStrbufAppendS(dir, "name");
if (!ffReadFileBuffer(dir->chars, buffer))
return 0.0/0.0;
return FF_CPU_TEMP_UNSET;
ffStrbufTrimRightSpace(buffer);
@@ -51,14 +51,17 @@ static double parseHwmonDir(FFstrbuf* dir, FFstrbuf* buffer)
ffStrbufEqualS(buffer, "coretemp") // Intel
) return value / 1000.;
return 0.0/0.0;
return FF_CPU_TEMP_UNSET;
}
static double detectTZTemp(FFstrbuf* buffer)
{
if (ffReadFileBuffer("/sys/class/thermal/thermal_zone0/temp", buffer))
return ffStrbufToDouble(buffer) / 1000.;
return 0.0/0.0;
{
double value = ffStrbufToDouble(buffer, FF_CPU_TEMP_UNSET);// millidegree Celsius
return value != FF_CPU_TEMP_UNSET ? value / 1000. : FF_CPU_TEMP_UNSET;
}
return FF_CPU_TEMP_UNSET;
}
static double detectCPUTemp(void)
@@ -72,7 +75,7 @@ static double detectCPUTemp(void)
FF_AUTO_CLOSE_DIR DIR* dirp = opendir(baseDir.chars);
if(dirp == NULL)
return 0.0/0.0;
return FF_CPU_TEMP_UNSET;
struct dirent* entry;
while((entry = readdir(dirp)) != NULL)
@@ -84,7 +87,7 @@ static double detectCPUTemp(void)
ffStrbufAppendC(&baseDir, '/');
double result = parseHwmonDir(&baseDir, &buffer);
if (result == result)
if (result != FF_CPU_TEMP_UNSET)
return result;
ffStrbufSubstrBefore(&baseDir, baseDirLength);