0.1.21

What's Changed

• Added trigamma by @awxkee in #37
• Added inverfc by @awxkee in #38
• Improving compound by @awxkee in #39
• Improving compound by @awxkee in #40
• Improving compound by @awxkee in #41
• Gamma/Compound improvements, added erfcx/erfcxf by @awxkee in #42
• Adding cathetus, improvements hypotf by @awxkee in #43
• Added sincpi, cathetus by @awxkee in #44
• Bump version by @awxkee in #45
• CI fuzzing by @awxkee in #46

Full Changelog: 0.1.20...0.1.21