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# Component: Tracing output levels in Math library

#### Macro name

CYGPKG_LIBM_TRACE

#### Type

Boolean

#### Description

Tracing support is useful for debugging. Some Math library modules can be configured with different levels of tracing verbosity. These levels can be configured here.

## Option: Compatibility mode get/set

#### Macro name

CYGNUM_LIBM_COMPATMODE_TRACE_LEVEL

#### Type

Count

#### Description

Trace level for debugging the getting and setting of the compatibility mode when it is configured to be thread-safe.

## Option: signgam variable access

#### Macro name

CYGNUM_LIBM_SIGNGAM_TRACE_LEVEL

#### Type

Count

#### Description

Trace level for debugging all accesses to the signgam variable in thread-safe mode.

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