17 lines
538 B
C
17 lines
538 B
C
#include <fenv.h>
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/* 7.6.4.2
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The feholdexcept function saves the current floating-point
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environment in the object pointed to by envp, clears the exception
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flags, and then installs a non-stop (continue on exceptions) mode,
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if available, for all exceptions. */
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int feholdexcept (fenv_t * envp)
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{
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__asm__ ("fnstenv %0;" : "=m" (* envp)); /* save current into envp */
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/* fnstenv sets control word to non-stop for all exceptions, so all we
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need to do is clear the exception flags. */
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__asm__ ("fnclex");
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return 0;
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}
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