v0.9.18

MathOptInterface v0.9.18

Diff since v0.9.17

Closed issues:

• Document that nothing can be a value provided to set! (#649)
• Doctests fail on julia 1.3 (#990)
• Invalid key, its hash must be > 0 (#1165)
• Shall we move part of Ipopt's MOI wrapper to a new MOI Utilities? (#1169)

Merged pull requests:

• Fixing set_start_value only accept numbers (#2237) (#1136) (@henriquebecker91)
• Add support for Symbol's in map_indices (#1170) (@blegat)
• Add flags for certificate check (#1171) (@joaquimg)
• Tweak wording of LazyConstraintCallback docs (#1172) (@odow)
• Use a Card struct when writing MPS files (#1173) (@odow)
• Implement mutable_operate with add_mul and SingleVariable (#1174) (@blegat)
• fix some real types in contlinear tests (#1175) (@chriscoey)
• fix real types in TestConfig (#1176) (@chriscoey)
• Support for complex operations: real, imag and conj (#1177) (@blegat)
• add geomean duals tests and geomean to entropy bridge (#1178) (@chriscoey)
• Fix wrong coefficient type with bridges (#1179) (@blegat)
• Add conversions in variable substitution (#1181) (@blegat)
• Implement conversion between ScalarAffineFunction of different coeffi… (#1182) (@blegat)
• Doctests work on both julia 1.5.2 and 1.0.5 (#1184) (@shadiakiki1986)