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fpclassify [V1.08 or later]
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Classifies a floating-point number as NaN, infinite, normal, subnormal or zero (C99)
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isfinite [V1.08 or later]
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Determines whether a floating-point number has a finite value (zero, subnormal, or normal) (C99)
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isinf [V1.08 or later]
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Determines whether a floating-point number is an infinity (C99)
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isnan [V1.08 or later]
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Determines whether a floating-point number is a NaN (C99)
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isnormal [V1.08 or later]
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Determines whether a floating-point number is normal (neither zero, subnormal, infinite, nor NaN) (C99)
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signbit [V1.08 or later]
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Determines whether the sign of a floating-point number is negative (C99)
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acos
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Arc cosine
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acosf
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Arc cosine
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acosl [V1.08 or later]
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Arc cosine (C99)
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asin
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Arc sine
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asinf
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Arc sine
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asinl [V1.08 or later]
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Arc sine (C99)
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atan
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Arc tangent
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atanf
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Arc tangent
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atanl [V1.08 or later]
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Arc tangent (C99)
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atan2
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Arc tangent (y / x)
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atan2f
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Arc tangent (y / x)
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atan2l [V1.08 or later]
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Arc tangent (y / x) (C99)
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cos
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Cosine
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cosf
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Cosine
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cosl [V1.08 or later]
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Cosine (C99)
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sin
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Sine
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sinf
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Sine
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sinl [V1.08 or later]
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Sine (C99)
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tan
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Tangent
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tanf
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Tangent
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tanl [V1.08 or later]
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Tangent (C99)
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acosh [V1.08 or later]
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Arc hyperbolic cosine (C99)
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acoshf [V1.08 or later]
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Arc hyperbolic cosine (C99)
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acoshl [V1.08 or later]
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Arc hyperbolic cosine (C99)
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asinh [V1.08 or later]
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Arc hyperbolic sine (C99)
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asinhf [V1.08 or later]
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Arc hyperbolic sine (C99)
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asinhl [V1.08 or later]
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Arc hyperbolic sine (C99)
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atanh [V1.08 or later]
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Arc hyperbolic tangent (C99)
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atanhf [V1.08 or later]
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Arc hyperbolic tangent (C99)
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atanhl [V1.08 or later]
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Arc hyperbolic tangent (C99)
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cosh
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Hyperbolic cosine
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coshf
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Hyperbolic cosine
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coshl [V1.08 or later]
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Hyperbolic cosine (C99)
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sinh
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Hyperbolic sine
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sinhf
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Hyperbolic sine
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sinhl [V1.08 or later]
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Hyperbolic sine (C99)
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tanh
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Hyperbolic tangent
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tanhf
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Hyperbolic tangent
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tanhl [V1.08 or later]
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Hyperbolic tangent (C99)
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exp
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Exponent function (natural logarithm)
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expf
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Exponent function (natural logarithm)
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expl [V1.08 or later]
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Exponent function (natural logarithm) (C99)
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frexp
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Break a floating-point number into a normalized fraction and an integral power of 2
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frexpf
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Break a floating-point number into a normalized fraction and an integral power of 2
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frexpl [V1.08 or later]
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Break a floating-point number into a normalized fraction and an integral power of 2 (C99)
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ldexp
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Multiply a floating-point number by an integral power of 2
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ldexpf
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Multiply a floating-point number by an integral power of 2
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ldexpl [V1.08 or later]
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Multiply a floating-point number by an integral power of 2 (C99)
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log
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Logarithmic function (natural logarithm)
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logf
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Logarithmic function (natural logarithm)
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logl [V1.08 or later]
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Logarithmic function (natural logarithm) (C99)
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log10
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Logarithmic function (base = 10)
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log10f
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Logarithmic function (base = 10)
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log10l [V1.08 or later]
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Logarithmic function (base = 10) (C99)
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log1p [V1.08 or later]
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Natural logarithm of 1 plus the argument (C99)
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log1pf [V1.08 or later]
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Natural logarithm of 1 plus the argument (C99)
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log1pl [V1.08 or later]
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Natural logarithm of 1 plus the argument (C99)
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modf
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Break a floating-point number into integral and fractional parts
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modff
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Break a floating-point number into integral and fractional parts
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modfl [V1.08 or later]
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Break a floating-point number into integral and fractional parts (C99)
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scalbn [V1.09 or later]
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Multiply a floating-point number by an integral power of FLT_RADIX (C99)
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scalbnf [V1.09 or later]
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Multiply a floating-point number by an integral power of FLT_RADIX (C99)
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scalbnl [V1.09 or later]
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Multiply a floating-point number by an integral power of FLT_RADIX (C99)
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scalbln [V1.09 or later]
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Multiply a floating-point number by an integral power of FLT_RADIX (C99)
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scalblnf [V1.09 or later]
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Multiply a floating-point number by an integral power of FLT_RADIX (C99)
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scalblnl [V1.09 or later]
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Multiply a floating-point number by an integral power of FLT_RADIX (C99)
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fabs
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Absolute value function
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fabsf
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Absolute value function
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fabsl [V1.08 or later]
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Absolute value function (C99)
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pow
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Power function
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powf
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Power function
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powl [V1.08 or later]
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Power function (C99)
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sqrt
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Square root function
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sqrtf
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Square root function
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sqrtl [V1.08 or later]
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Square root function (C99)
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ceil
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The smallest integer value not less than a floating-point number
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ceilf
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The smallest integer value not less than a floating-point number
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ceill [V1.08 or later]
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The smallest integer value not less than a floating-point number (C99)
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floor
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The largest integer value not greater than a floating-point number
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floorf
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The largest integer value not greater than a floating-point number
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floorl [V1.08 or later]
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The largest integer value not greater than a floating-point number (C99)
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nearbyint [V1.09 or later]
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Rounding to an integer value in floating-point format according to the current rounding direction (C99)
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nearbyintf [V1.09 or later]
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Rounding to an integer value in floating-point format according to the current rounding direction (C99)
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nearbyintl [V1.09 or later]
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Rounding to an integer value in floating-point format according to the current rounding direction (C99)
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rint [V1.09 or later]
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Rounding to an integer value in floating-point format according to the current rounding direction (C99)
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rintf [V1.09 or later]
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Rounding to an integer value in floating-point format according to the current rounding direction (C99)
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rintl [V1.09 or later]
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Rounding to an integer value in floating-point format according to the current rounding direction (C99)
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lrint [V1.09 or later]
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Rounding to a long type integer value according to the current rounding direction (C99)
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lrintf [V1.09 or later]
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Rounding to a long type integer value according to the current rounding direction (C99)
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lrintl [V1.09 or later]
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Rounding to a long type integer value according to the current rounding direction (C99)
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llrint [V1.09 or later]
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Rounding to a long long type integer value according to the current rounding direction (C99)
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llrintf [V1.09 or later]
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Rounding to a long long type integer value according to the current rounding direction (C99)
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llrintl [V1.09 or later]
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Rounding to a long long type integer value according to the current rounding direction (C99)
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round [V1.09 or later]
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Rounding to integer value in floating-point format (C99)
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roundf [V1.09 or later]
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Rounding to integer value in floating-point format (C99)
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roundl [V1.09 or later]
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Rounding to integer value in floating-point format (C99)
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lround [V1.09 or later]
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Rounding to a long type integer value (C99)
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lroundf [V1.09 or later]
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Rounding to a long type integer value (C99)
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lroundl [V1.09 or later]
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Rounding to a long type integer value (C99)
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llround [V1.09 or later]
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Rounding to a long long type integer value (C99)
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llroundf [V1.09 or later]
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Rounding to a long long type integer value (C99)
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llroundl [V1.09 or later]
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Rounding to a long long type integer value (C99)
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trunc [V1.09 or later]
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Rounding to truncated integer value (C99)
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truncf [V1.09 or later]
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Rounding to truncated integer value (C99)
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truncl [V1.09 or later]
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Rounding to truncated integer value (C99)
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fmod
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Remainder function
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fmodf
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Remainder function
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fmodl [V1.08 or later]
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Remainder function (C99)
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copysign [V1.09 or later]
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Generates a value consisting of the given absolute value and sign (C99)
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copysignf [V1.09 or later]
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Generates a value consisting of the given absolute value and sign (C99)
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copysignl [V1.09 or later]
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Generates a value consisting of the given absolute value and sign (C99)
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nan [V1.09 or later]
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Convert character string to NaN (C99)
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nanf [V1.09 or later]
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Convert character string to NaN (C99)
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nanl [V1.09 or later]
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Convert character string to NaN (C99)
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fdim [V1.09 or later]
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Calculation of the positive difference (C99)
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fdimf [V1.09 or later]
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Calculation of the positive difference (C99)
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fdiml [V1.09 or later]
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Calculation of the positive difference (C99)
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fmax [V1.09 or later]
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Obtaing the greater value (C99)
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fmaxf [V1.09 or later]
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Obtaing the greater value (C99)
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fmaxl [V1.09 or later]
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Obtaing the greater value (C99)
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fmin [V1.09 or later]
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Obtaing the smaller value (C99)
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fminf [V1.09 or later]
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Obtaing the smaller value (C99)
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fminl [V1.09 or later]
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Obtaing the smaller value (C99)
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isgreater [V1.09 or later]
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Determining whether the first argument is greater than the second argument (C99)
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isgreaterequal [V1.09 or later]
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Determining whether the first argument is equal to or greater than the second argument (C99)
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isless [V1.09 or later]
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Determining whether the first argument is smaller than the second argument (C99)
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islessequal [V1.09 or later]
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Determining whether the first argument is equal to or smaller than the second argument (C99)
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islessgreater [V1.09 or later]
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Determining whether the first argument is smaller or greater than the second argument (C99)
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isunordered [V1.09 or later]
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Determining whether the arguments are not ordered (C99)
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