feat: add constants/float32/num-high-word-significand-bits

[hrshya]

Progresses #649 .

Description

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This pull request:

• adds constants/float32/num-high-word-significand-bits .

Related Issues

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This pull request:

• progresses [RFC]: Add C implementations to base special math functions (tracking issue) #649 .

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Coverage Report

Package	Statements	Branches	Functions	Lines
constants/float32/num-high-word-significand-bits	$\color{green}47/47$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}47/47$ $\color{green}+100.00\%$
constants/float32/significand-bits	$\color{green}47/47$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}47/47$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

[kgryte]

Single-precision floating-point numbers don't have "high words", as an entire float fits in a single int32 word. Traditionally, we've used @stdlib/constants/float32/precision (minus one) for the value exposed by this PR; however, I am open to including @stdlib/constants/float32/significand-bits. As such, you'd need to rename the package and the variable name accordingly.

[hrshya]

Single-precision floating-point numbers don't have "high words", as an entire float fits in a single int32 word. Traditionally, we've used @stdlib/constants/float32/precision (minus one) for the value exposed by this PR; however, I am open to including @stdlib/constants/float32/significand-bits. As such, you'd need to rename the package and the variable name accordingly.

Thanks for the clarification. I will rename the package and variable to use significand-bits and make the required updates.