C99/C++11 single and double precision common mathematical functions

[fwyzard]

See the C++ documentation for Common mathematical functions and the C documentation for Common mathematical functions.

Basic operations

• abs: Implement xtd::fabs and xtd::abs #25
• div, ldiv, lldiv: Implement integer division functions #73
• fabs: Implement xtd::fabs and xtd::abs #25
• fmod: Implement additional xtd functions and their unit tests #30
• remainder: Implement additional xtd functions and their unit tests #30
• remquo: Implement xtd::remquo() #78
• fma: Implement fused multiply-add (fma) #69
• fmax: Implement additional xtd functions and their unit tests #30
• fmin: Implement additional xtd functions and their unit tests #30
• fdim: Implement additional xtd functions and their unit tests #30
• nan: Implement xtd::nan() #76

Exponential functions

• exp: Reimplement and test additional xtd functions #19
• exp2: Reimplement and test additional xtd functions #19
• expm1: Reimplement and test additional xtd functions #19
• log: Reimplement and test additional xtd functions #19
• log10: Reimplement and test additional xtd functions #19
• log2: Reimplement and test additional xtd functions #19
• log1p: Reimplement and test additional xtd functions #19

Power functions

• pow: Implement additional xtd functions and their unit tests #30
• sqrt: Reimplement and test additional xtd functions #19
• cbrt: Reimplement and test additional xtd functions #19
• hypot(z, y): Implement additional xtd functions and their unit tests #30
• hypot(x, y, z) (c++17)

Trigonometric functions

• sin: Add tests for sin #1
• cos: Reimplement and test additional xtd functions #19
• tan: Reimplement and test additional xtd functions #19
• asin: Implement the inverse trigonometric and hyperbolic functions #26
• acos: Implement the inverse trigonometric and hyperbolic functions #26
• atan: Implement the inverse trigonometric and hyperbolic functions #26
• atan2: Reimplement xtd::atan2 and implement a unit test #27

Hyperbolic functions

• sinh: Reimplement and test additional xtd functions #19
• cosh: Reimplement and test additional xtd functions #19
• tanh: Reimplement and test additional xtd functions #19
• asinh: Implement the inverse trigonometric and hyperbolic functions #26
• acosh: Implement the inverse trigonometric and hyperbolic functions #26
• atanh: Implement the inverse trigonometric and hyperbolic functions #26

Error and gamma functions

• erf
• erfc
• tgamma
• lgamma

Nearest integer floating point operations

• ceil: Reimplement and test additional xtd functions #19
• floor: Reimplement and test additional xtd functions #19
• trunc: Reimplement and test additional xtd functions #19
• rint: Implenent floating point rounding functions #55
• round: Implenent floating point rounding functions #55
• nearbyint: Implenent floating point rounding functions #55
• lrint/llrint: Implement integer rounding functions #56
• lround/llround: Implement integer rounding functions #56

Floating point manipulation functions

• frexp
• ldexp
• modf
• scalbn/scalbln
• ilogb
• logb
• nextafter/nexttoward
• copysign

Classification and comparison

• fpclassify: Implement floating point classification functions #58
• isfinite: Implement floating point classification functions #58
• isinf: Implement floating point classification functions #58
• isnan: Implement floating point classification functions #58
• isnormal: Implement floating point classification functions #58
• signbit: Implement signbit #59
• isgreater
• isgreaterequal
• isless
• islessequal
• islessgreater
• isunordered